15
Dec
2025

Small Molecules to Correct a Rare Kidney Disease: Emily Conley on The Long Run

Emily Conley is today’s guest on The Long Run.

She is the CEO of Berkeley, Calif.-based Renasant Bio.

Emily Conley, CEO, Renasant Bio

The big idea at Renasant is to develop oral small molecule drugs to treat patients with autosomal dominant polycystic kidney disease, known as ADPKD. Patients with this disease develop cysts on their kidneys that sometimes cause the kidney to balloon in size and grow into 30-pound dysfunctional, painful and swollen organs.

Scientists think there’s a way to stop it. Renasant is developing small molecule correctors and potentiators that target the polycystin protein abnormalities that drive the disease. If the drugs work as conceived, they would enable people to avoid the grim fate of kidney dialysis or transplant. An estimated 300,000 patients in the US and Europe have the disease, which technically makes it rare, but not that rare.

Emily came to this startup a couple of years ago when it was in stealth mode, and just started talking about it a few months ago. She’s a neuroscientist by training and had a formative early biotech career experience at 23andMe, the consumer genetics pioneer. The opportunity to make a convenient small molecule drug, or a complementary combination of small molecules, that act on the underlying disease biology were a big part of what compelled her to join this startup.

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Now, please enjoy this conversation with Emily Conley on The Long Run.

15
Dec
2025

Biotech’s Future Will Be More Distributed

John Flavin, founder and CEO, Portal Innovations

When we started our first biotech company, MediChem Life Sciences in the early 1990s in Chicago, there was nothing resembling a “biotech ecosystem” nearby.

We had to build our own labs, figure out how to raise money and how to recruit a team of scientists and professionals. The universities in the Chicago area were more focused on basic science. The culture frowned on connections between faculty and industry.

The scene has changed dramatically.

Pat Flavin, president, Portal Innovations

Although still early in development, the Chicago biotech ecosystem is thriving. A similar story is playing out around the U.S. and internationally.

Academic research has undergone a shift over the past decade, driven by the need for practical application in the life sciences. Federal funding for research has flattened, and universities have sought new ways to attract and retain talent.  One way to attract bright young scientists is by fostering an environment conducive to translational research and embracing the sort of relationships with industry that were once frowned upon.

The result is that life science entrepreneurship and new product development is flourishing outside traditional coastal epicenters, creating a dynamic and distributed map of regional hubs across the United States. This article explores the impact of the emergence of these life sciences innovation hubs around the world, examining how these ecosystems are reshaping the future of biomedical innovation.

The Changing Dynamics of Research Funding

Historically, research universities relied on federal grants to fund cutting-edge research aimed at discovering new drugs, devices, and diagnostics. The National Institutes of Health (NIH) budget, for instance, peaked in real purchasing terms at approximately $41.7 billion in 2022, but projections show a stagnation or slight decline because of federal budget cuts and inflation eating away at the purchasing power of NIH-funded scientists.

This reduction in basic science activity, exacerbated by the current U.S. administration’s threats to slash more dramatically, has prompted research institutions to rethink their business models.

Today, there is a growing emphasis on translational research—research that aims to transform scientific discoveries into practical applications that benefit society. The market is huge and growing. The global biotechnology market is expected to reach $2.4 trillion by 2028, according to a report by the Milken Institute.

COVID Disruptions That Are Here to Stay

The Covid-19 pandemic acted as a global shock to the life sciences innovation system, accelerating pre-existing trends and forcing a rapid re-evaluation of how and where innovation happens.

Before the pandemic, innovation was firmly concentrated in established hubs like Boston/Cambridge and the San Francisco Bay Area. The pandemic didn’t kill these centers of innovation; it further established their importance as hubs with spokes that are delivering new energy to the nodes in the network.


Figure 1. Capital growth shift in venture ecosystems.
 Percentage change in total invested capital comparing the post-COVID era (2022–2025) to the COVID-era baseline (2018–2021) for companies receiving a 1st Round deal between $2–15M. Emerging Hubs (150%) experienced higher relative capital growth than Established Hubs (46%) during this period transition.

Figure 2. Deal volume shift in venture ecosystems. Percentage change in the total number of deals comparing the post-COVID era (2022–2025) to the COVID-era baseline (2018–2021) for companies receiving a 1st Round deal between $2–15M. Deal volume contracted by 20.5% in Established Hubs but grew by 6% in Emerging Hubs, highlighting a structural shift in deal flow.

 

The post-COVID era (2022–2025) was compared to the COVID-era baseline (2018–2021) for companies on Pitchbook raising a 1st Round deal between $2–15M. Established hubs are defined as companies in MA and CA. Emerging hubs encompass companies in GA, IL, NJ, RI, and TX.

 

Investing in Homegrown Scientific Talent

Regional biotech hubs must attract and retain innovative faculty and researchers to be competitive. Younger academics are prioritizing the impact of their work beyond traditional publishing in peer-reviewed journals. A survey by the American Association of Universities found more than 70% of new faculty members now consider industry partnerships and translational research opportunities when choosing an institution.

Regions that effectively create and promote an environment conducive to innovation are reaping the benefits. Cities like Boston, San Francisco, and San Diego have become magnets for scientific and entrepreneurial talent because of their established biotech ecosystems. For example, the Massachusetts Biotechnology Council reported that Massachusetts is home to over 1,000 biotech companies, employing more than 60,000 people and generating over $5 billion in annual revenue.

Until recently, talented researchers who got their  training outside of the leading biotech clusters were exported along with adjacent intellectual property to the established biotech hubs. The top hubs are like suns – they have a strong gravitational pull. This made sense because these researchers and their ideas needed to be plugged into a rich environment full of local investors, CEOs, CMOs, pharma companies, and other partners.

This export phenomenon is changing. Most top-tier research institutions and the regions they anchor are actively investing in the environment to retain the talent they have attracted. This investible talent migration is making it possible to start and scale companies in new geographies.

For example:

Nathan Gianneschi, professor, Northwestern University; co-founder, Grove Biopharma

  • Nathan Gianneschi was recruited by Northwestern University for his work at the intersection of materials science, medicinal chemistry and synthetic biology. He launched Grove Biopharma in Chicago at Portal with his colleagues Paul Bertin and Geoff Duyk in 2021. The company closed a $30m series A earlier this year and are working on protein-like-polymers targeting protein-protein interactions.
  • Sarah Hein got her Ph.D. at Baylor College of Medicine and partnered with professors Max Mamonkin and Malcolm Brenner to start March Biosciences in 2022 which has raised over $50 million including CPRIT funding and recently reported exciting preliminary data on their CD5-targeted CAR-T cell therapy for T-cell lymphoma. They decided to build their company in Houston at Portal.

    Sarah Hein, co-founder and CEO, March Biosciences

  • UChicago recruited Ray Moellering to support his research in chemical biology. He started ReAx with seed funding from AbbVie Ventures, Portal and OMX to develop tools that manipulate protein structure, function and signaling to develop drugs addressing previously undruggable targets.

The pandemic was a significant contributing factor. It accelerated the  remote work revolution. The experience proved that not every part of R&D needs to be in a physical hub. The geographic location of life sciences innovation has become more fluid and [we believe] the future of life sciences innovation will be less about a single best location and more about the strength of the network connecting diverse and specialized geographic nodes.

Regional Advantages and Success Stories

Different regions have different advantages. For example, Kendall Square in Cambridge, Massachusetts, is renowned for its concentration of biotech firms and research institutions. The proximity of prestigious universities, such as Harvard and MIT, creates a vibrant ecosystem that attracts talent and investment. According to a report by CB Insights, over $8.1 billion was invested in Boston-area biotech companies in 2020 alone.

Similarly, states like Texas, New Jersey, Rhode Island, Washington, and North Carolina are investing heavily in infrastructure and workforce development programs. For example, North Carolina’s Research Triangle Park, home to more than 300 biotech companies, has generated more than $4.9 billion in revenue and supports over 60,000 jobs. Texas taxpayers approved and renewed the Cancer Research and Prevention Institute (CPRIT) $6 billion that invests directly in biotech companies in the Lone Star State.

Texas built on the CPRIT success by investing in a new $3 billion fund this year focused on neurodegenerative diseases. It’s called the Dementia Research and Prevention Institute of Texas (DPRIT).

David Baker, professor of biochemistry, University of Washington; director, Institute for Protein Design

Washington state hasn’t directed state resources on the same level, but its community is playing to its own strengths. Nobel laureate David Baker, a Seattle native, has attracted brilliant colleagues at the Institute for Protein Design at the University of Washington. This core group of scientists, in turn, is supported by a network of local investors and entrepreneurs, including the Gates Foundation.

Great science attracts investors, corporate partners, graduate students and young faculty. All of this activity builds momentum and critical mass for the local biotech ecosystem.

Case Study: The University of Chicago and the Polsky Center

The University of Chicago’s Polsky Center for Entrepreneurship and Innovation, in our home region, exemplifies how academic institutions are adapting to the changing landscape. After years of building the center, it has become a pivotal player in fostering entrepreneurship within the university. The center has facilitated the launch of more than 160 startups since its inception, attracting more than $1.3 billion in funding.

The center’s transparent approach to innovation has led to successful partnerships with industry, allowing researchers to access funding and resources necessary to bring their ideas to market. Hyde Park Labs, Harper Court Ventures, GS Innovation Fund and the Polsky Center focus on providing faculty with tools to start ventures with market-worthy platforms. This model serves as a blueprint for other universities aiming to establish their own biotech hubs.

These activities have spawned biomedical spinoffs including:

Tom Gajewski, professor, University of Chicago

  • Pyxis Oncology was founded on Tom Gajewski’s seminal work in understanding how T cells interact with the tumor microenvironment. Pyxis went public in 2021 and is pursuing novel treatments for hard-to-treat cancers by targeting the tumor microenvironment with its lead ADC asset in clinical studies.
  • Onchilles Pharma is leveraging Lev Becker’s research identifies altered macrophage signaling and protein expression across different disease contexts. Their efforts aim to translate these mechanistic insights into new therapeutics. The Company recently raised a $40 million series A to fund clinical proof of concept studies for its lead asset.
  • ClostraBio founded on research from Jeff Hubbell’s and Cathy Nagler’s labs recently launched a commercial probiotic with a novel butyrate producing strain for gut health.
Creating a Local Market

Providing an option for innovators to start their ventures locally increases talent and company retention. It’s not enough for a university to support translational research and entrepreneurial support to spin out a company. These early-stage ventures need access to a broader market of investors and partners. Without a local market, these companies migrate to established hubs.

By facilitating collaborations between researchers and entrepreneurs, our platform at Portal provides a local market in young biotech ecosystems by providing seed capital, lab space and talent to build and scale locally.

Prior to Portal’s launch in 2020, local seed capital and commercial lab space did not exist. Scientific cofounder Ryan Clark returned home from working at Sana in Boston along with University of Illinois Professor Brad Merrill. They wanted to build their company in Chicago to access strong synthetic biology talent. Syntax Bio, a CRISPR-based cell therapy startup spun out of UIC launched in 2021 at Portal, received funding from Portal and DCVC Bio, and recently partnered with Astellas, Illumina and Draper for their Series A round.

Connecting the Hubs

Young ecosystems can’t survive sustainably over time in isolation. Connected innovation hubs are crucial for the success of the local markets. Kendall Square thrives with transparency and momentum since all the dots are connected. Simulating this environment across a wider geography is possible by connecting all the nodes. These hubs facilitate talent flow, collaboration, knowledge sharing, and resource exchange among various stakeholders, including researchers, entrepreneurs, investors, and policymakers. The concept of “three currencies”—economic, intellectual, and social capital—underscores the importance of building robust networks within these ecosystems.

As biotech hubs continue to grow, they pave the way for new opportunities. The ability to connect researchers with industry leaders and provide access to resources is vital for driving innovation and addressing global health challenges.

Chicago has a cluster of talent and infrastructure around high performance computing and quantum fueled by Argonne National Laboratory. Ecosystems with research groups and start-ups around the world working on data intensive biology efforts such as RNA applications access these resources through collaborations.

Global Trends in Biotech Innovation

The rise of biotech hubs is not confined to the United States. There are several interconnected factors have powered the rise of hubs outside the US.

Seeing the success of the US life sciences industry, foreign governments have highlighted biotech as a strategic priority for economic growth. Forward-looking governments are applying successful incentive programs including grants and R&D tax credits. In addition, a growing spirit of collaboration between regulatory agencies has improved the streamlining of regulatory pathways to accelerate drug approvals. 

Instead of trying to replicate the broad model of Boston, new hubs have achieved success by applying a specific niche strategy of focusing on the regional strengths. Some key examples of this niche strategy: Switzerland excels in biologics and large molecule therapeutics. Ireland and Israel are leaders in medical devices and the UK is a world leader in genomics and AI-driven drug discovery.

Around the globe, countries such as China, Japan, the United Kingdom, Israel, and Australia are emerging as leaders in biotech innovation. Saudi Arabia, UAE and Greece are picking up the pace. For instance, China’s biotech market is projected to reach $173 billion by 2025, driven by substantial government investments and a rapidly growing demand for healthcare.

Similarly, the UK’s focus on collaboration between universities and industry has resulted in a thriving biotech sector, with the UK biotech industry contributing £84 billion to the economy in 2021 and supporting over 280,000 jobs.

The Future is Distributed

The rise of biotech hubs represents a significant shift in the landscape of academic research and innovation. As universities adapt to changing funding dynamics and prioritize translational research, the potential for impactful discoveries is greater than ever. By fostering interdisciplinary collaboration, attracting innovative talent, and investing in infrastructure, regions around the world are seeking to capture some of the benefits of the biotech revolution. New ecosystems open possibilities for new types of innovation and novel business models leveraging the endogenous strengths of the local market. Fusing tech platforms such as quantum, AI, and advanced batteries in to life sciences may be more likely in new places with different people than the established centers.

Some of the biggest ideas of the future may come from places off the beaten path. New ecosystems tend to attract more risk takers since the price of failure is higher. But the rewards to innovators, investors and patients can be substantial. Over time, as these ecosystems scale, the risk factor decreases.

 

Sources

Federal Funding Trends:

National Institutes of Health (NIH) Budget: 

National Institutes of Health. (2022). NIH Budget Fact Sheet. Retrieved from NIH https://report.nih.gov/nihdatabook/category/1

Global Biotechnology Market Growth:

Milken Institute. (2021). The Global Biotechnology Market: A $2.4 Trillion Opportunity. Retrieved from Milken Institute

University Faculty Trends:

American Association of Universities. (2021). New Faculty Survey: Trends in Research and Industry Partnerships. Retrieved from AAU

Massachusetts Biotech Employment:

Massachusetts Biotechnology Council. (2020). 2020 Massachusetts Life Sciences Industry Report. Retrieved from MassBio

Interdisciplinary Research Collaboration:

Nature Biotechnology. (2018). The Importance of Interdisciplinary Research. Retrieved from Nature

University of California San Diego Infrastructure Investment:

University of California San Diego. (2021). UC San Diego Invests $1 Billion in Research Facilities. Retrieved from UCSD News Center

Boston Biotech Investment:

CB Insights. (2021). 2020 Boston Biotech Report: Funding Trends and Insights. Retrieved from CB Insights

North Carolina Research Triangle Park:

North Carolina Biotechnology Center. (2021). The Economic Impact of the North Carolina Biotechnology Industry. Retrieved from NC Biotech Center

University of Chicago Polsky Center:

University of Chicago Polsky Center for Entrepreneurship and Innovation. (2022). Impact Report. Retrieved from Polsky Center

Global Biotech Startup Funding:

PitchBook. (2021). 2021 Global State of Venture Capital Report. Retrieved from PitchBook

China’s Biotech Market Growth Projection:

China National Pharmaceutical Industry Information Center. (2021). China’s Biotech Market Report (in Chinese). Retrieved from CNPIC

UK Biotech Industry Economic Contribution:

BioIndustry Association. (2021). The UK Bioeconomy: A £84 billion Opportunity. Retrieved from BIA

10
Dec
2025

To Improve Health, Design for Agency

David Shaywitz

Agency — the conviction I can shape my future — is a vital driver of human health and human potential.

It is also the factor overlooked by most digital health platforms.

University of Pennsylvania psychologist Martin Seligman, who has spent decades studying this, says agency boils down to the belief “I can make a positive difference in the world.” People with high agency believe there is something they can do next that might help – and then they actually try.

As Seligman emphasizes, the moments when we “try hard…persist against the odds…[and] make new, creative departures” are precisely when agency is at work. That extra effort and sustained determination — not just the mindset — shows up as improved performance, greater achievement, and enhanced health.  It also manifests as resilience, enabling us not only to recover from adversity but (ideally) to bounce back as an even better version of ourselves.

GLP-1s highlight the power and promise of newfound agency.  For many living with obesity, past attempts at weight loss reinforced a “cycle of despair” – trying harder mostly meant failing again. With the advent of GLP-1 medicines, many found that their weight would come down — and stay down.  Oprah Winfrey called the feeling “a relief, like redemption, like a gift.”

The deeper change is psychological: for the first time in years, effort feels rewarded. GLP-1s unlock an agentic dividend: the motivational boost that comes from finally being able to take control of your health. That surplus sense of possibility can be channeled into the familiar health basics — moving more and sleeping better — but also, often more importantly, into how we show up in our relationships and communities, in the enthusiasm we bring to our hobbies and pursuits, into the totality of experiences that make life so meaningful.

Agency is the motivational currency of health, the ATP of behavior change – it lets success in one domain drive progress in others.

Connected fitness platforms have a similar opportunity. Each discrete achievement — finishing a class, riding three times in a week, noticing that the stairs feel easier or the back hurts less — is a small proof of “I can do this.”  

In fixating narrowly on performance metrics, platforms like WHOOP, Oura, Peloton, and Tonal are leaving agency on the table.  The opportunity here is to help people recognize, name, and bank their achievements, compounding the agentic boost that comes from each small win and making it easier to translate that confidence into the rest of life.

There are techniques that seem to support agency – cognitive reframing, elements of motivational interviewing, healthy conversation skills that help people generate their own plans, positive-psychology exercises that increase a sense of control and possibility.

But there isn’t a well-validated playbook. The 2021 Duckworth–Milkman exercise megastudy and a 2022 review by Feig and colleagues both point in the same direction: many thoughtfully crafted interventions, when rigorously evaluated, have disappointingly yielded only modest, generally short-lived changes in behavior; in the case of the megastudy, the effects observed were on average nearly ten times smaller than expert forecasts. Cracking this nut remains one of the biggest opportunities in health and technology.

Moreover, as public-health thinkers like Michael Kelly and Mary Barker, and Angela Duckworth in her emphasis on “situational agency” remind us, behavior is always embedded in social practices and daily routines, not floating in individual headspace. Kevin Hall’s work on obesity underscores the same point from a metabolic angle: in environments saturated with ultra-processed, hyper-palatable, calorie-dense foods, many people will overeat and gain weight. Our environmental defaults can make it much harder for individual agency to gain traction.

Powerful emerging technologies — from AI to connected devices and “health OS” platforms — now give us a new lever on this problem, but only if we use them thoughtfully. So far, most effort has focused on treating people as objects to be managed, with platforms competing to instrument every moment and compress our lives into ever more granular scores and rankings.

The real white space, I’d argue, is a platform that can reliably cultivate agency at scale. Building something like that would mean putting our most sophisticated AI and connected-health tools in the service of scaffolding human agency — helping people see real options, notch early wins, recover from lapses, and let small successes accumulate into a lived identity of capability.

None of this — from GLP-1s to digital health platforms — makes behavior change easy, but it does make sustained, structured support more possible than before, for patients, for consumers, and for employees trying to stay well while they work.

While we don’t have all the answers, designing for agency will likely emphasize:

  • Early, undeniable wins that are small but meaningful (“I hurt less,” “stairs feel easier”).
  • Guided choices instead of scripts or chaos, so people experience themselves as choosing, not just complying.
  • Feedback that links progress to individual effort (“because you did X, you’re now experiencing Y”), rather than to the brilliance of algorithms or the wisdom of clinicians.
  • Ways to bank progress so actions add up to a lived story: “I am someone who shows up.”

By focusing technology on enhancing our intrinsic potential rather than just crunching our extruded numbers, we can strengthen our agency and with it, our capacity to live healthier, more fully realized lives.

In a year when tech-forward health platforms are vying to incorporate the most agentic AI, our greatest challenge, and most important opportunity, may be figuring out how to leverage these ever-more powerful emerging technologies — with wisdom, humility, and humanity — to nourish the development of the most agentic people.

 

For more on health and agency see KindWellHealth.

28
Nov
2025

A New Book on GLP-1’s Contested Scientific Roots and Complex Cultural Impact — Plus Further Reading

David Shaywitz

In this weekend’s Wall Street Journal, I review Off the Scales, a fascinating new book by Reuters journalist Aimee Donnellan about the discovery and development of GLP-1 agonists and their impact on medicine, culture, and society.

The review, aimed at a generalist audience, focuses mostly on the societal and cultural implications, but TR readers may be especially interested in the book’s extensive discussion of the science that led to semaglutide. This agent is now marketed by Novo Nordisk as Ozempic (injection for type two diabetes), Wegovy (injection for obesity), and Rybelsus (pill for type 2 diabetes).

Donnellan describes the early work at the Massachusetts General Hospital (MGH), subsequent product development at Novo Nordisk, and even some of the commercial decisions and leaders. One example: the brash American marketing executive, Jeremy Shepler, who came up with the earworm Oh-Oh-Oh Ozempic jingle, based on Pilot’s “Magic,” that contributed to the category’s success.

Pioneering GLP-1 chemist Svetlana Mojsov

In relating the discovery of GLP-1, Donnellan is particularly attuned to contribution of peptide chemist Svetlana Mojsov, who played a critical role in identifying and purifying the active form of GLP-1 while she was at MGH, serving as an Instructor of Medicine in the Endocrine Unit at Massachusetts General Hospital and director of the Howard Hughes peptide-synthesis core facility. 

Mosjsov was initially not included on key GLP-1 patents; these initially were awarded to MGH physician-scientist Joel Habener alone. She subsequently spent more than a decade in an exhausting, ultimately successful legal battle to be added as an inventor. Today, Mojsov is Lulu Chow Wang and Robin Chemers Neustein Research Associate Professor at New York’s Rockefeller University, the institution where she originally trained.

Donnellan writes that Mojsov’s story “reveals the ruthless nature of science,” and “is yet another example of how women are often sidelined.” From her disheartening account it is hard to discern how much of the patent snub involved gender, and how much was the result of factors such as seniority, training (Ph.D. rather than M.D.), and function (tool-builder vs. orchestrator). 

Massachusetts General Hospital — characterized as “all hierarchy” in Aimee Donnellan’s new book that recounts the contested history of GLP-1’s scientific discovery.

Also not included on the patent: Dr. Daniel Drucker, at the time an early-career physician-scientist at MGH working on the biology of GLP-1 as a member of the Habener lab. Drucker collaborated with Mojsov on critical early GLP-1 research, but did not join her in contesting the patents, as Donnellan discusses. Drucker is now at the University of Toronto, where he is University Professor in the Department of Medicine’s Division of Endocrinology, Chair in Incretin Biology, and a Senior Investigator at Sinai Health’s Lunenfeld-Tanenbaum Research Institute. 

Readers can get a sense of how recognition for Mojsov has evolved by starting with the 2021 historical review in Cell of GLP-1’s development penned by distinguished endocrinologist Stephen O’Rahilly. The article was written on the occasion of the 2021 Canada Gairdner International Award bestowed upon Habener, Drucker, and University of Copenhagen physician-scientist Jens Juul Holst for the trio’s early work on the chemistry and biology of GLP-1. O’Rahilly subsequently wrote a correction once he was more fully apprised of Mojsov’s substantial role.

Those interested in learning more may also want to look at Jennifer Couzin-Frankel’s 2023 Science feature on Mojsov, entitled “Sidelined,” as well as Couzin-Frankel’s 2024 piece on Mojsov’s “yearlong journey out of obscurity.”  

Also notable: Mojsov’s selection in 2024 as a co-recipient (along with Habener and Novo Nordisk drug developer Lotte Bjerre Knudsen) of the Lasker–DeBakey Clinical Medical Research Award, which honored the development of GLP-1–based therapies for obesity and type 2 diabetes. Inevitably, perhaps, this award omitted other key researchers who might reasonably have been included (Holst, Drucker, and Novo’s Mads Krogsgaard Thomsen come to mind).

It remains entirely unclear who (if anyone) will ultimately receive a Nobel for GLP-1, given the Prize’s cap of three awardees. My guess: Habener, Holst, Mojsov, and Drucker will all be in contention for their work on the foundational science, and recipients may be determined by survival as much as by merit (since the Nobel cannot be awarded posthumously).

Further Reading

I’ve been captivated by the endocrinology of metabolism since I was a medical resident at MGH. I discussed the biology of ghrelin, known as the “hunger hormone,” in my second year talk. Later, as an endocrinology trainee at MGH (where I recall almost no personal interaction with Habener) I provocatively gave a Fellow talk on the question, “Is type 2 diabetes a surgical disease?” I emphasized the remarkable efficacy of bariatric surgery for this condition, and the unexpectedly rapid endocrine effects associated with the procedure.

 As TR readers appreciate, I’ve remained fascinated by the topic, and written quite a bit about GLP-1, weight, weight management, and type 2 diabetes management over the ensuing years. Those who’d like to explore more may find the following selected pieces useful; they are grouped thematically.

GLP-1s, obesity, and weight-loss drugs

Type 2 diabetes prevention, digital interventions, and AI

Behavior change, digital fitness, and health coaching

Food App and Food Intelligence

Personal experience with weight loss

 

25
Nov
2025

London Life Sciences Week Shows UK Biotech is Open and Thriving

Rosie Rodriguez, senior vice president of growth, Relation Therapeutics

London has always been multicultural, multidisciplinary, and in constant motion. It is a global mosaic where academia, entrepreneurship, finance, policy, and creative arts intersect with ease.

That character was evident during London Life Sciences Week, which has grown far beyond its origins around the Jefferies London Healthcare Conference.

What began as a finance event has become something broader and more meaningful: a week in which scientific, entrepreneurial and investment communities come together across the city with a shared sense of purpose.

This evolution has happened both organically and with intention. While London Life Sciences Week (LLSW) emerged from the longstanding cluster of activity surrounding Jefferies, it is now also formally supported and jointly hosted by the UK BioIndustry Association (BIA), MedCity, London & Partners, the Mayor of London, and the UK Government. Their combined support has created something coordinated and substantial, an effort to amplify London’s strengths and reinforce its position as a global centre for life sciences.

Patrick Vallance

Sadiq Khan, Mayor of London, and Lord Patrick Vallance, Minister for Science, Innovation and Nuclear, started off the week with a simple and confident message: London is open for innovation, and everyone building the future of science is welcome here.

While some large pharma companies have recently paused major UK investments, the conversations across the week suggested that this pullback may be out of step with what is happening on the ground. London has real momentum. Especially when scientific expertise is being challenged in some parts of the world and anti-immigrant policies are on the rise, London’s stance was reassuring to the many immigrants in the city and a shrewd countermove in the global competition for scientific talent.

London’s life sciences community has reasons for optimism. The city attracted £1.6 billion of venture investment into life sciences over the past year, more than Paris, Stockholm and Berlin combined and leads continental Europe by over a billion pounds. During the typically gray and chilly third week of November, LLSW attracted more than 70 events, 1,300+ investors, and 2,400 participating companies.

Conversations from coffee meetings in King’s Cross to evenings in Soho had a grounded optimism. JPM now has real competition, people often remarked while taking in the scene.

London is not replacing San Francisco, but the value of being here, the density of science and talent, the productivity of meetings, the sense of community, is no longer in question. People spoke not about hype but about substance: good science, strong teams, and collaboration that feels natural rather than forced.

The deals and company updates around Jefferies were extensively covered, BiotechTV tracked and covered them fantastically in real time. The part that sits between the headlines, and what I wanted to capture here, was the atmosphere across London: the people, the conversations, and the sense of community that defined the week.

Emma Tinsley, CEO, Weatherden

London Bio stood out among the many great events of the week for how clearly it reflected the spirit running through LLSW and offered a moment that quietly captured the sector’s resilience. Led by Emma Tinsley (Weatherden, Elevara), Yasmin Siraj, BACKED VC, and Jack O’Meara (Aerska), it had a relaxed but purposeful atmosphere.

Emma opened by noting that between the three organizers their ventures had collectively raised almost £200 million in the past year, BACKED VC’s £100 million seed fund, Elevara’s £70 million round, and Aerska’s £21 million raise. It was not shared as a boast, but as a reminder that thoughtful, science-led companies continue to be backed, even in a year often described as difficult.

Their guests brought that same tone to the room. As he steps down as CEO of Recursion, Chris Gibson reflected on the past, present and future, thoughtful and candid, with light moments of humour, including his plan to climb Kilimanjaro with Luke in February.

When Sir Jonathan Symonds, GSK Chairman, spoke about the importance of building partnerships rather than transactions, I realized I was nodding more vigorously than intended. Reader, if you permit, a small and shameless plug follows: at Relation, where I have the privilege of helping shape and grow the organization, our collaborations with GSK reflect exactly that spirit.

Jack O’Meara, CEO, Aerska

Throughout the rest of the week, what stood out was how naturally people interacted. Researchers, investors, engineers, founders and industry leaders moved fluidly between discussions. There was a sense of community, not aspirational, but real, built slowly and deliberately over time.

People were focused not only on their own companies but on strengthening the wider ecosystem and making London an even better place to do impactful science. The city’s strength lies in its people: biologists, chemists, machine learning scientists, experimentalists, engineers, and computational scientists who choose to build here.

Without this talent, innovation is not possible, and London continues to attract and cultivate exceptional people.

As a dual European-British national and as a Londoner, I felt pride throughout the week. The pride came from seeing how far the ecosystem has come, how collaborative and open it feels, and how committed people are to building something of long-term value. London Life Sciences Week showed that London is not aspiring to become a global center for life sciences; it is already operating as one.

What feels most exciting is that its future is being shaped not by any single institution, but by a collective, a community choosing, together, to build something meaningful for the patients that are waiting.

24
Nov
2025

Recommended Podcasts (and A Few Books), 2025 Year-End Edition

David Shaywitz

It’s time for my annual feature: recommended podcasts (and a few books) for TR readers to consider. As usual, these suggestions generally steer clear of politics; they also aren’t the only podcasts I listen to, but they’re the ones I’m least likely to skip.

Biotech and Health Care

Of course, everyone in biotech should listen to Luke’s interview series, The Long Run – that’s always been a given.

For regular updates on the state of the industry, my quirky favorite is BioCentury This Week – it’s unpretentious, well-informed, and has a distinct personality.

I also appreciate the quality of the conversations Dr. Eric Topol has on his Ground Truths podcast; his insights offer a reliable window into the part of the biomedical establishment that is rigorous and cautious yet still forward-leaning and innovation-curious, and how it makes sense of our rapidly evolving landscape. 

Perhaps my favorite health podcast is Dr. Lisa Rosenbaum’s Not Otherwise Specified (from the NEJM), driven entirely by the strength of Rosenbaum’s insights, the candor of her questions, and the capacity of her heart. This season she focuses on the challenges of primary care, and every episode has been brilliant.

Also worthwhile, engaging and from the NEJM: the monthly NEJM-AI Grand Rounds podcast, hosted by Raj Manrai and Andrew Beam, addressing issues at the intersection of AI innovation and clinical medicine.

Two other podcasts in this category you should know about: first is Carl Zimmer’s limited-run, characteristically thoughtful series about aging. Second is an upcoming series I’m excited about from journalist and writer Thomas Goetz, called Drug Story – preview here.

Business

My favorite daily business podcast, for a long time, has been The Journal, from (wait for it) The Wall Street Journal, and featuring a close, accessible look at a major business story in the news.

Another must is the less frequent and far longer podcast Acquired, described by the WSJ as the show “the smartest people in the room are all listening to.”  It offers a detailed look at the evolution of a prominent company; TR readers should check out the April episode on Epic.

I continue to enjoy episodes of Patrick O’Shaughnessy’s Invest Like the Best and Harry Stebbings’s Twenty Minute VC.  Regrettably, I’ve largely stopped listening to podcasts from a16z once it started to feel as if they’d adopted a “flood the zone” approach to content domination.

In contrast, I’ve really enjoyed the first few episodes I’ve heard of the recently launched Business History podcast (clearly inspired by Acquired, but fun-sized rather than family-sized).

History

I love learning about history.  While most of my listening here has been through audiobooks, I’ve also been really enjoying The Rest Is History, with Tom Holland and Dominic Sandbrook, and Breaking History, with Eli Lake. Both offer context and narrative verve in an engaging and appealing manner.

Psychology

There’s no shortage of podcasts focused on psychology and behavioral health; over the past year I’ve especially enjoyed (and frequently cited) excellence, actually, hosted by Steve Magness, Brad Stulberg, and Clay Skipper.

The Glue Guys podcast has also offered some quality content here, exploring the overlap between sports, leadership, and “the subtle art of making other people better.”

Fun

Not surprisingly, some of my favorite shows from previous years have remained regular parts of my line-up. These include 99% Invisible, with Roman Mars; Across the Movie Aisle, with Sonny Bunch, Peter Suderman, and Alyssa Rosenberg; and The Bulwark Goes To Hollywood, hosted by Sonny Bunch.

Finally, while perhaps politics-adjacent, I continue to love The Focus Group podcast hosted by Sarah Longwell, which each week features extended clips from voters representing a range of demographics.

Books

I’ve been unusually fortunate this year in having the opportunity to review a number of books, and enjoyed aspects of many of them. Particular recommendations include the Bill Gates autobiography Source Code and Sam Arbesman’s charming The Magic of Code.

Related to my interest in health and flourishing, I’d suggest Super Agers by Eric Topol, Why Brains Need Friends by Ben Rein, and Food Intelligence by Kevin Hall and Julia Belluz.

For readers keen to explore more on health and flourishing, this resource page at KindWellHealth might be of interest.

Happy Thanksgiving!

 

22
Nov
2025

Why Patients – And Many Innovative Doctors – Are Pursuing Health Outside the System

David Shaywitz

Our current system of delivering care is awful from the perspective of seemingly every stakeholder. It frustrates, enrages, saddens, and depletes patients and physicians alike. No one designed it this way. It evolved through a series of choices and contingencies that perhaps made sense at the time but now seem to have led us down an evolutionary dead end.

While there’s no shortage of examples, I was especially struck by an anecdote I heard in Dr. Lisa Rosenbaum’s brilliant “Not Otherwise Specified” podcast series for the New England Journal of Medicine. Her focus this season is primary care, and in one episode she speaks with a Denver family physician named Larry Green.

“I practiced in the oldest family practice in Denver, for years,” Green explains. “I was the chair of that department, I directed that residency, and I’m now a patient in that practice. I cannot call it. It’s impossible. Because when I call the practice, I get diverted to a call center…”

From the perspective of what he calls the “medical-industrial complex,” he says, longitudinal relationships are “totally unimportant in healthcare.”

Yet these relationships – developed with care over time – tend to be what many patients crave and what effective doctoring typically requires.

Green’s experience won’t surprise anyone who has tried to get care lately. In November 2023, Mass General Brigham announced it would not be accepting new primary care patients. At hospitals everywhere, it’s not unusual for patients to spend hours on gurneys in emergency-department hallways, waiting for an inpatient bed.

I don’t know many physicians who haven’t struggled to get care for themselves or a loved one – often at the very institutions where they trained and to which they’ve devoted years of their lives. If even insiders can’t reliably access timely, compassionate care, what chance does anyone else have?

The miserableness of the system has been well documented, and physician burnout has sadly become a dog-bites-man story.

Applicants Are Still Flocking to Medical Schools

What’s perhaps more surprising is how many people are still desperate to enter the system and become physicians, fueling an application process that, as Drs. Rochelle and Loren Walensky have documented in The New England Journal of Medicine (NEJM), has become increasingly competitive, expensive, and time-consuming. Premed students routinely take an extra year (or more) to tick all the expected boxes and jump through the hoops that are perceived as mandatory.

This highlights something that’s easy to forget: the ideal of medicine remains deeply attractive. I wrote about this almost thirty years ago in a New York Times op-ed, and it’s still true today.

The notion of doctoring – of being trusted at the intersection of science and human stories – retains a powerful hold on young people. If only the actual experience could live up to the hope of these applicants, the well-worn quotes from Osler and Peabody, the promise of the profession, and the expectations of patients.

Searching For A Better Alternative

The idea that there must be a better alternative is at once familiar and evergreen.

If you’re a cynic, you channel Homer Simpson and conclude, “We tried our best and failed miserably. The lesson is: never try.”

I see it differently.

The persistence of attempts to build something better – despite repeated disappointment – captures both how entrenched the current flawed system is and how deeply people yearn for something appreciably better.

At this point, I don’t know many people who seriously expect incumbents – whether health systems or their core technology vendors – to deliver radical change. Most are too busy trying to squeeze more juice from the existing machinery to welcome disruption.

Without a meaningful incentive, you wouldn’t expect organizations exquisitely tuned to the current equilibrium to dismantle or restructure it.

Even so, some of the most committed innovators I know are doubling down inside health systems, trying  heroically — like George C. Scott’s beleaguered chief of medicine in The Hospital — to wrestle these institutions back toward the care they were meant to provide.

Others are exploring promising paths outside.

Starting With an Obvious Gap: Preemptive Care

In the absence of an established alternative, many patients – and many doctors – are trying to assemble at least components of a better system. For a lot of people, that begins with focusing on an aspect our existing system overlooks and undervalues: preemptive care – sustaining our health rather than simply caring for our illness.

Longevity Panel-HBS Healthcare Alumni Conference at the Treehouse in Boston, MA November 6, 2025. From L to R: Anant Vinjamoori, MD, MBA, David Shaywitz, MD, PhD, Rich Joseph, MD, MBA, Sooah Cho, MPP, MBA (moderator & partner at SignalFire VC), Matt Vail, MS, and Julia Klim, MBA

As I recently discussed in a Wall Street Journal op-ed and at a Harvard Business School panel on healthy aging, the current fascination with “longevity” sits on top of something more interesting than recovery pods and rejuvenation Olympics. It’s easy, and appropriate, to roll your eyes at anti-aging drips and supplement stacks.

Underneath the spectacle, though, I’ve been struck by a quieter shift.  More people seem to believe that the deterioration they’ve observed in older relatives, friends, and cherished mentors isn’t inevitable, and they’re organizing their lives accordingly — an effort, in Bart Giamatti’s phrase (riffing on Milton), to fend off “the ruin of our grandparents.”

Science has helped here. Geroscience has moved from backwater to frontier, and the message it carries is surprisingly simple: movement, sleep, decent food, and warm human connection are not lifestyle accessories, they’re central levers of healthy aging. GLP-1 medicines, as I described in STAT this summer, have added an unexpected assist, giving many people who’d been defeated by years of yo-yo dieting a first experience of real traction.

At the same time, advances in measurement have made the body feel newly legible. Population-scale data have given rise to ideas like “biological age” – an assessment approach not yet validated for clinical use in individuals, but powerful in the story they tell.

Concepts like “biological age” invite people to see aging as at least partially malleable, as something you can potentially inflect.

Even some of the more dubious offerings – supplement rituals, for example – often function less as biochemistry and more as daily expressions of intent.

In the op-ed, I argued that this is the real through-line: a refusal to retreat passively into decline, and a growing appetite for preemptive moves that might tilt the odds, even a little, in our favor.

Aspiring Longevity Contenders: Fitness, Wearable, & Testing Companies

Not surprisingly, this perceived opportunity has attracted several categories of companies into the “health” space. You can roughly sort them into three overlapping buckets:

  • Fitness platforms like Peloton and Tonal that started as movement motivators and now increasingly wrap their offerings in a longevity narrative.
  • Wearable-centric companies like Oura and Whoop that focus on performance metrics around activity, strain, and recovery, again increasingly framed as healthy-aging tools.
  • Comprehensive testing platforms like Function Health, Superpower, and others, which offer large batteries of laboratory tests (often accompanied by imaging) marketed as opportunities to identify vulnerabilities early.

All of these companies are working feverishly on AI-enabled data plays and promise some version of personalized recommendation. Many are led by serious people who genuinely want to help.

Yet taken as a group, they also reveal the limits of an engineering mindset applied to human flourishing.  As I argued in a recent STAT column, we’ve become very good at harvesting data and building dashboards, and much less good at building platforms that support the experience of living a fuller, more agentic life.

Fitness & Wearable Companies: An Obsession with Performance Metrics

Today’s digital health tools, as I discussed in the Boston Globe this summer, tend to optimize what’s easy to count and, in the process, miss what most of us actually value: connection, purpose, and the sense that our choices are beginning to add up.

Image source: Wikipedia

The fitness and metric-heavy companies also illustrate a classic analytic trap (“survivorship bias”) that has been on my mind a lot lately – the “airplane problem.”

During World War II, analysts studying bombers returning from missions noticed that certain parts of the planes were riddled with bullet holes, and proposed adding armor to those areas. Statistician Abraham Wald pointed out the mistake: the bullet holes marked the places a plane could be hit and still make it home. The planes that didn’t return had likely been hit elsewhere. That’s where the armor was needed.

Most fitness and wearable companies are obsessed with retaining the people who already sign up – generally highly engaged, data-hungry users who enjoy tracking their VO₂ max, heart-rate variability, and step counts. These are the planes that make it back.

What these companies don’t see are the people who try once or twice, feel judged or overwhelmed or bored, and bounce off – people like New York Times op-ed contributor Rachel Feintzeig, who memorably describes her exercise experience:

“I get on my Peloton and am confronted with a veritable dashboard of my inadequacies: cadence (sluggish), resistance level (embarrassing), output (am I even alive?). There is my prior, surely eternal, personal record, highlighted so that I never forget exactly how much better I was three years ago. Suddenly I’m grappling with the passage of time, in my basement, as an Instagram influencer in a coordinating spandex set beseeches me to pedal faster.”

People like Feintzeig – and those who never even bother with platforms like Peloton –are the missing planes, as well as the untapped opportunity.

Early on, I was drawn to the idea of starting with movement as the foundation for a broader vision of flourishing, in part because it’s so concrete, palpable, and obviously useful for health on its own terms, even before it connects to anything deeper.It reminds me of the famous exchange from Woody Allen’s 1975 film Love and Death:

Sonja (Diane Keaton): “Sex without love is an empty experience.”
Boris (Allen): “Yes, but as empty experiences go, it’s one of the best.”

Movement without any larger sense of meaning can feel a bit like that. Even if it doesn’t yet connect to purpose, agency, or community, it’s still one of the healthier “empty experiences” we have – especially for those who aren’t exercising at all, since the health benefits of going from nothing to something can be as significant as going from something to a lot more.

I still think movement is a great place to start.

Unfortunately, I don’t see much (any) evidence that today’s fitness platforms view longevity as more than a marketing gloss, or that they are preparing seriously to serve the far larger group of people who want to lead richer lives, not dominate reductive leaderboards.

At the end of the day, it seems, fitness companies are gonna fitness. The longevity branding is kosher-style at best, and often closer to a BLT on a bagel.

Comprehensive Testing Companies: False Positives & Sterile Precision?

The comprehensive testing companies raise a different set of concerns. Large panels of lab tests and imaging sound appealing – who wouldn’t want to “know everything” and catch problems early?

In practice, as Dr. Eric Topol has critically reviewed at Ground Truths, the risks of false positives and incidentalomas are substantial, especially when testing is decoupled from clear, evidence-based action plans.

I’ve spent years following the arc from genetics to “personalized” to “precision” medicine and since high school have been deeply engaged in the science. I have a real appreciation for the promise, as well as for the practical limitations.

I recognize that the opportunities for truly precise, individualized interventions tend to be wildly overstated – even the ones that don’t come bundled with the hard sell of supplements.

The same goes for metabolomic and nutritional profiling. As Kevin Hall and others have pointed out, much of what’s been sold as precision nutrition turns out to be better marketing than science.

So where are the rays of hope?  Mostly, they center around talent as much as vision.

Green Shoot 1: Talent Redefining Testing Companies

When Function Health announced its recent fundraise, most of the attention focused on the celebrity investors and marketing sizzle.

What caught my eye was something else entirely: the decision by Dr. Daniel Sodickson –- a serious scientist and imaging innovator, long a leader in MRI at NYU, and recently an author –- to join as Chief Medical Scientist.

Dr. Daniel Sodickson

Dan, also a medical school classmate and friend, is the opposite of a hype merchant. He is thoughtful, technically deep, and obsessed with context and longitudinal understanding. His move signaled to me that Function was serious about building an engine for interpreting multimodal, longitudinal data in a way that could, over time, support genuinely more precise, personalized recommendations.

Professor Nathan Price

This aligns closely with ideas the exceptionally innovative medical scientists Lee Hood and Nathan Price have been articulating for years (including in their visionary 2023 book, The Age of Scientific Wellness), and that efforts like Arivale tried to operationalize. I’m excited about this direction and have been working with Dan and Nathan on some of these concepts – stay tuned.

Green Shoot 2: Talent Focused on Leveraging Agency & Personal Health Data

A second source of energy and inspiration for me, also connected to talent, has been the caliber of physicians and physician–scientists who’ve reached out to me as I’ve been developing and championing the concept of agency as the “motivational currency of behavior change,” ideas provisionally, and loosely, organized at KindWellHealth.  

In just the last few weeks, I’ve heard from clinicians, informatics leaders, former regulators, and population-health experts who said some version of: “Your focus on agency is exactly what I’ve been circling; I’m trying to build my next chapter around something like this.”

These are not people chasing the latest wellness fad. They are serious medical innovators who care deeply about science and patients and are trying to find a way to enhance health that feels truer to both, supported by rigorous, credible evidence.

One direction this naturally leads is towards a health system built around a data-empowered person who becomes the central locus of both control and information. In this vision, you would control your data the way you control your money. You might have accounts at many institutions, but you see everything in one place and can direct it where you want.

This idea has been around for a while, but it has acquired new urgency as patients are increasingly handed more responsibility without real visibility.

A personal “health data cloud” (Nathan Price has been using the more expansive phrase, “personal, dense, dynamic data cloud”) isn’t a cure-all, but it feels like it could be a vital first step towards a more enlightened, informed, person-centric, and humane health future.

It’s important to emphasize that “person-centric” doesn’t mean a series of dispassionate transactions with healthcare providers, which arguably is already the status quo. Nor does it mean dumping a stack of options and PDFs on patients and congratulating ourselves for “empowering” them.

As Atul Gawande has described so eloquently, in appropriately pushing back against medical paternalism, the pendulum in some settings has swung too far the other way.

Some physicians, trying to be sensitive, have misunderstood the assignment. They present a neutral menu and maintain distance at moments when some patients are desperate for a clinician to share the decision-making burden – to listen carefully, offer a considered recommendation, and shoulder some of the responsibility. 

As Gawande wrote in 1999, with his usual magnificence,

“The new orthodoxy about patient autonomy has a hard time acknowledging an awkward truth: patients frequently don’t want the freedom that we’ve given them. That is, they’re glad to have their autonomy respected, but the exercise of that autonomy means being able to relinquish it.”

While we might substitute the term “agency” for “autonomy,” Gawande’s point is essential and should be reflected in any future vision of an improved health system.

Green Shoot 3: Talent Focused on Enhancing Agency Itself

A third promising area involves focusing explicitly on agency itself – which is how I view the efforts of companies like Lore (where I serve as an advisor), SlingshotAI, and others. These groups (who often have attracted exceptional talent) start from the psychology of behavior change. They ask how we might help people feel more able to influence their future for the better, and how we might compound that sense of agency over time.

Moving Forward

My own conviction is that maximal impact will require integrating this agency focus with two other elements I’ve been writing about: the quantitative side of biometrics and the qualitative, often neglected sphere of connection and meaning.

Source: D. Shaywitz

As I see it (see diagram), our shared goal is flourishing health, supported by three mutually reinforcing domains: physical function, meaningful connection, and personal agency. A few companies touch pieces of this map. Almost no one designs against the whole thing.

To me, the combination of a strong sense of conviction that this is what the future of health needs to encompass, together with a sense of uncertainty about how we’ll get there, is what’s so exciting, particularly given the remarkable amount of talent that seems to be drawn in this direction.  Certainly, this pursuit feels more satisfying than developing innovations aimed at maximizing billing, or escalating the AI battle between health systems seeking reimbursement and payors seeking to deny it.

Patients – and those who are eager to avoid becoming patients – are (as usual) leading the way. 

We owe it to them to meet them where they are and — with technology as an aid, evidence as our guide, and compassion as our soul — build an approach to health and healing worthy of the ideals that drew, and continues to draw, so many of us into medicine.

20
Nov
2025

Building a Rare Disease Company: Neil Kumar on The Long Run

Neil Kumar is today’s guest on The Long Run.

Neil is the founder and CEO of Palo Alto, Calif.-based BridgeBio Pharma.

Neil Kumar, CEO, BridgeBio

BridgeBio got started a little more than 10 years ago with an idea of creating what it calls a “hub and spoke” business model for rare disease drug development. The hope was to find opportunities that were biologically compelling, but didn’t neatly fit into one of the existing platform technology companies of the time. Neil and colleagues hoped to package them together in a portfolio to improve the risk/reward ratio for investors.  

It’s worked out. The company has an FDA-approved product on the market that’s generating blockbuster sales — $108 million in revenue in its third quarter on the market. The drug is acoramidis (brand name Attruby) for transthyretin-mediated amyloidosis with cardiomyopathy, sometimes called cardiac amyloidosis.

That drug has quite a story on its own. But BridgeBio isn’t turning out to be a one-hit wonder. A couple of positive clinical trial readouts this year show it has a chance to become a truly unusual creature – a truly diversified, independent biotech company with multiple cash-flow generating FDA approved products.

Neil has thought long and hard about how to mitigate risk, and how to create value for investors in this most challenging of scientific businesses.

Before we get started, a word from the sponsor of The Long Run.

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Visit www.dash.bio and see how fast bioanalysis can be.

 

Please enjoy this conversation with Neil Kumar on The Long Run.

17
Nov
2025

The Dark Side of the GLP-1 Weight Loss Drugs: Eating Disorders

Amanda Banks, MD

There has been much fanfare about the acquisition by Pfizer of Metsera, the developer of injectable and oral GLP-1 agonists and other peptides for the treatment of obesity.

The $10 billion price tag, the bidding war with Novo Nordisk, the lawsuits, it all made for high drama. It was a moment of vindication for biotechs that have struggled for years through a harsh downturn.

At the same time, Secretary of Health and Human Services Robert F. Kennedy Jr. and President Trump have secured commitments from Eli Lilly and Novo Nordisk that would limit the cost of GLP-1 drugs to $150 per month. The stated intent is to dramatically increase access for patients who need to lose weight.

Constraining the growth of the obesity epidemic has undeniable benefits for health and healthcare at the individual and population levels, linked to lower blood pressure, lower risk of heart attack and stroke, improved control of blood sugar, lower risk of kidney disease, blunted desire for alcohol and maybe even protective effects against neurodegenerative diseases.

There’s a long list of benefits.

It’s easy, in this context, to understand the frenzy that has led to vast investment in this space and an expectation for outsized returns. This feels like a wonder drug: for patients, investors and for companies.

And yet, there are two sides to every story.

The Risks

These drugs were FDA-approved to treat type 2 diabetes and obesity, but they are increasingly used to achieve and maintain slimness in the absence of either. A growing proportion of people using GLP-1s are healthy people with normal weight, or even who are underweight. And perhaps most disturbingly, while GLP-1 drugs show anecdotal evidence in the treatment of binge eating disorder, these drugs are also widely recognized to exacerbate eating disorders characterized by restriction, most notably anorexia nervosa.

GLP-1 agonists have a complex mechanism of action, but in essence they are effective weight loss medications because they mimic satiety signals in the brain and slow gastric emptying, making people feel full, and often nauseated, with very small meals. It isn’t uncommon for patients to consume a fraction of the calories required for their age over months or years. People on GLP-1 agonists frequently develop nutrient deficiencies, electrolyte abnormalities, orthostatic hypotension, osteopenia, sarcopenia, thinning hair and other signs of malnutrition.

It is not surprising then, that some people who either have a history of disordered eating or who are biologically predisposed to anorexia, spiral quickly into a dangerous cycle of restriction, weight loss and positive societal reinforcement for their new thinness. Complicating the picture is the fact that only 6% of eating disorder diagnoses occur in people who are medically recognized as being underweight; indeed those with higher BMIs are at very high risk of both developing eating disorders on GLP-1s and of not rising to the attention of medical providers who receive little to no training in eating disorders and do not typically think of people in larger bodies when they conjure what an eating disorder “looks like”.

How Much Access is Too Much?

More troubling is the ease with which women with already thin bodies can obtain GLP-1 agonists without ever seeing or speaking to a healthcare professional. Online sites like hers.com will ship semaglutide and other drugs without requiring patients to ever communicate with a healthcare professional or confirming that patients fulfill labeling requirements (it took me less than two minutes to get to the payment page after providing false information about my weight, age, medical history and goals at every step to get there). 

With little oversight, compound pharmacies have also sprung up to help fill the growing demand of GLP-1 agonists as “lifestyle drugs”. Instagram and TikTok abound with videos of young women with normal size bodies extoling the values of slimming down even further with GLP-1 agonists or “microdosing” to achieve weight loss in the setting of a low or normal BMI.

Anorexia nervosa is defined by the DSM-5 as the restriction of energy intake relative to requirements, leading to a significant low body weight in the context of age, sex, developmental trajectory, and physical health, with an intense fear of gaining weight or becoming fat, or persistent behavior that interferes with weight gain. The documented prevalence of anorexia nervosa, a dramatic underestimation, is about 4% globally – or 150 million people. 

Of all the neuropsychiatric disorders we know of, anorexia nervosa has the highest mortality rate with 5% of those affected dying within four years of initial diagnosis. It affects mainly girls, mainly around puberty, and can kill them directly via acute effects of starvation, including dangerous abnormal heart rhythms, inability to maintain sufficient blood sugar, blood pressure and heart rate, or by taking its toll chronically on the heart, brain, bones, and muscles. Or, at any time, simply by suicide.

Rigorous studies about the incidence of eating disorders in people taking GLP-1 agonists are lacking, but the risk of these drugs driving restrictive eating disorders is broadly recognized, with some estimates as high as one-third (35 percent) of new diagnoses of eating disorders coming from people on GLP-1 agonists. In a large sample of de-identified health records in people taking GLP-1 agonists, patients with any pre-existing mental health condition had more than double the risk of those who did not of developing an eating disorder in two years. The cumulative incidence in both groups of a new eating disorder diagnosis (mainly anorexia nervosa) was 1.275%. With one in 8 Americans – or approximately 43 million people – now taking GLP-1 agonists, this translates to over 500,000 people.

With increased access, cheaper prices and the growing off-label use of these drugs in vulnerable populations to achieve thinness, we’re going to see more people with eating disorders.

Seeking the Other Side of the Story

As physicians, trialists, regulators, policymakers and indeed as an industry, we are completely unprepared for this oncoming wave. There is no standard protocol to screen people for a history of eating disorders or disordered eating behaviors prior to prescribing these drugs. As far as I can tell, there is no safety database or real-world evidence study that is specifically targeted to assess this outcome, which, by virtue of its complexity, would not be expected to be passively captured in a typical adverse event assessment.

Novo Nordisk’s semaglutide (Wegovy) and similar drug labels do not include a warning for the risk of triggering restrictive eating disorders. There is no structure in practice for routine clinical follow-up that would capture these events in a systematic way so as to add to a safety database. Many of our patients may be taking these drugs without our knowledge, having obtained them online from any number of willing suppliers.

How is it, that as an industry, we have invested trillions of dollars in GLP-1 agonists and related drugs without paying attention to what this pandora’s box has unleashed? How do we have multiple approved products, dozens in late-stage clinical trials, new companies getting funded in the space seemingly every day and a frenzy of M&A activity, but not a single approved medication to help the millions of people who struggle with, and die from, anorexia nervosa every year?

Like all stories with two sides, one is typically not true to the exclusion of the other. The good stories, the ones with really compelling endings, strike a balance. The GLP-1 medicines can be a godsend for some people, and a nightmare for others.

The increasing understanding of the underlying GLP-1 biology may also point us in surprising new directions. Anorexia nervosa is not the inverse of obesity, but like obesity, it is now recognized as a complex medical and psychiatric illness. There are important areas of mechanistic overlap in the underlying biology. In a time of growing ubiquity of GLP-1 drugs, we can learn from this shared foundation to help identify druggable targets.

In a world that chronically underinvests in women’s health, could we leverage the GLP-1 wins to put effort into minimizing the devastating consequences of obesity’s metabolic cousin, anorexia, that ironically has been exacerbated by the use and abuse of GLP-1 agonists? As an industry, could we provide support to change a culture that values thinness at any cost?

As a physician, a drug developer and a mom of a daughter in recovery for anorexia nervosa, I remain hopeful that the answer is yes.

17
Nov
2025

Seattle’s AI-Biotech Leaders See Hype, Hope, and Hard Problems

Chris Picardo, partner, Madrona Venture Group

AI is reshaping the foundations of biotechnology, but progress isn’t uniform. While some breakthroughs such as generative protein design models and AI-based target identification are transforming drug discovery, others are overhyped or held back by stubborn infrastructure and data barriers.

At last month’s AI Leadership Summit in Seattle, co-hosted by Life Science Washington and Madrona, a group of founders, CEOs, and investors from across biotech and tech dug into the realities behind the rhetoric.

Many of the leaders in the room began their careers in Nobel laureate Dr. David Baker’s lab at the University of Washington while others helped build large-scale AI systems at Amazon and Microsoft. This grounded the conversations in a practical view of how tech and biotech are converging. Speakers were optimistic, yet pragmatic about where the field is going and the challenges that need to be addressed to realize the potential for AI-powered drug development.

The shared perspective: AI is already changing how we discover and develop drugs, but the bottlenecks, particularly around data, culture, and validation, remain the industry’s defining challenges.

The Data Problem

For all the attention on large language models, the biggest barrier isn’t which model you use, it’s the types of data and quality of data needed to customize and fine tune these models to make them actually useful.

“Garbage in, garbage out,” summed up the mood.

Unlike tech, it takes years to gather high-quality biological and clinical data. Once you have it, it is often fragmented across wet labs, clinical trial sites, and institutions. Real progress will come from data standardization and closed-loop data generation, not just from models that vacuum up more and more fragmented data sets.

The most innovative companies are constantly producing their own differentiated data and tying these processes directly to their AI infrastructure. This new integrated discovery loop is what will drive progress and new category defining drugs.

A few bright spots are emerging on the data generation front. Fred Hutch’s Cancer AI Alliance is a coalition of five major cancer centers alongside major tech companies such as Amazon, Microsoft, NVIDIA, Google, and others. The Cancer AI Alliance is building standardized, multi-modal, oncology datasets designed for machine learning.

It’s still in the early days, but panelists said this kind of data harmonization is what it will take to make AI truly predictive and useful.

Models Help, But Validation Rules

The first panel of the day began with fast pitches from early-stage Seattle-based AI-biotech companies, including Outpace Bio, Archon Bio, Cyrus Biotech, and Talus Bio. Each company leverages AI to design and optimize therapeutics in ways that were impossible even a few years ago.

Each also relies on tools born in Seattle’s ecosystem, from revolutionary protein design models to automated wet lab systems to cloud-based data infrastructure fit for life sciences. All emphasized the same principle: AI is only as good as the experimental feedback loop that validates it.

AI models alone will not solve drug discovery. There must be deep investment in the loop data generation and validation to leverage models and understand the quality of their outputs. Drug development is still hard and requires iteration and experimentation to get to the best drug candidates.

Culture: When Tech and Biotech Teams Converge

Seattle’s combination of research universities, clinical institutions, and cloud-scale AI expertise makes it one of the few regions in the world where the tech–biotech convergence is happening organically.

But tech and biotech teams don’t always speak the same language. Software engineers are trained to ship fast and iterate often based on real-world customer feedback. Life scientists are trained by their principal investigators to spend years on research that will stand up to scrutiny under peer review before ever seeing the light of day in a scientific publication. These rhythms can clash.

Companies that succeed at the interface of AI and life sciences are learning to merge those mindsets, adopting agile practices from tech while preserving the scientific rigor of biotech. Productivity platforms from the tech world are now being used to track cross-functional workflows between computational and experimental teams, while coding is a core job at all AI-enabled biotech companies.

Attendees also emphasized the importance of AI literacy across all levels of their organizations. It’s not something that can be siloed off into an “AI department.” While early-career and forward-thinking scientists are already natively adopting AI tools, the next leap forward will depend on experienced biotech leaders engaging deeply with these systems, not delegating their understanding of AI to others.

From 10% to 20% Success Rates

Attendees pointed to two areas where the next turn of innovation will come from.

First: personalized medicine. As patient data becomes more structured, algorithms can better match individuals to existing treatments much more granularly than today. This will meaningfully improve human health. In the short term, development (vs. research) functions are ripe for applying AI to increasing efficiency. Those processes also tend to have more standardized data.    

Second: the drug discovery process will accelerate. The industry is going to be revolutionized when we go from less than 10% of drug candidates succeeding in clinical development to FDA approval to 20%.

Focusing on the Long-Term Matters

Seattle’s biotech founders and investors share a distinctive mindset: They tend to be missionaries, not mercenaries. The region’s culture prizes deep technical work and long-term value creation over short-term hype. That pragmatism, paired with world-class research institutions, a preeminent AI ecosystem, and the world’s leading cloud companies, creates fertile ground for building the next generation of AI-driven biotech companies.

The bottom line: AI won’t make biology easy, but it will make the impossible achievable. The companies that win will be those that combine scientific depth, computational scale, and cultural fluency across both domains.

12
Nov
2025

Reinventing Drug Discovery with AI: Marc Tessier-Lavigne on The Long Run

Marc Tessier-Lavigne is today’s guest on The Long Run.

Marc is the chairman and CEO of South San Francisco-based Xaira Therapeutics.

Marc Tessier-Lavigne, chairman and CEO, Xaira therapeutics

Xaira is using computers to design protein drugs from scratch, building on work from co-founder David Baker’s lab at the University of Washington.

Designing protein drugs on computers with ideal properties is a plenty big idea that won Baker the Nobel Prize in 2024. But there’s more to the company. Xaira is building a platform for drug discovery that gathers multiple types of biological data – genomic, proteomic, etc. – and feeds that into AI models to hopefully tease apart what’s causing disease, versus what’s merely hanging along for the ride. That information on what’s causing disease is supposed to help guide the design of these new targeted protein drugs from the ground up.

The hope at Xaira, and all other AI-assisted drug discovery companies, is ultimately to create a system that can make drug R&D faster, less expensive, and more predictable.

Xaira was co-founded and incubated by Arch Venture Partners and Foresite Labs. It debuted with $1 billion in committed capital in April 2024.

Marc is a neuroscientist by training. He was on the faculty at UCSF before he took an R&D leadership role at Genentech during its storied ascent as the leading cancer drug developer of the early 2000s. He returned to academia as president at Rockefeller University and then Stanford University. He left Stanford in 2023 amid some controversy, before he came back to industry with Xaira in 2024. Right now, he has the advantage of being in a startup at a moment of technological possibility – Xaira has a lot of money, brilliant people, and a clean slate to do something consequential for all of biopharma R&D. It doesn’t need to unlearn a lot of things to start doing them a different way.

Before we get started, a word from the sponsor of The Long Run.

 

 

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Please enjoy this conversation with Marc Tessier-Lavigne on The Long Run.

3
Nov
2025

China Learned from Us — and We Can Learn from Them

Leslie Williams, biotech entrepreneur and board member

Over the last decade, China-based biotech companies learned from the best —us.

They studied how the US biotech ecosystem was built: a fusion of basic science, venture capital, and entrepreneurial risk-taking. They learned how our scientists turned NIH-funded discoveries into startups, how our venture model backed innovation years before potential profit, and how collaboration between academia, biotech, and pharma fueled breakthroughs from recombinant proteins to RNA medicines.

They saw how a science-based regulatory agency fostered confidence in marketed products, and how transparent stock markets protected investors and helped them best allocate capital toward promising companies. They saw the key infrastructure at work and sought to build it for themselves.

Through it all, they followed the science.

They observed how U.S. biotech created platform companies around novel modalities — mRNA, gene editing, t-RNA therapeutics, and CAR-T — and they built their own. They watched how we used CROs to increase efficiency and flexibility, then scaled that concept into global networks that now serve the entire industry. They understood that innovation requires speed, capital efficiency, and quality — and they applied those lessons with relentless intensity. They brought a can-do engineering mindset to the task.

While Chinabuilt up its innovative capacity, it also played to its existing strengths. China continued to invest in large-scale global manufacturing capacity that the US once dominated, but no longer does. While the US was debating drug pricing and health insurance policy over the past decade, China was building bioparks, GMP facilities, and end-to-end supply chains that operate 24 hours a day, seven days a week.

They trained their scientists abroad in the US and Europe, and recruited many to return home with a deep understanding of the science — and a national mission to lead in it.

Now, 10 years later, they are good. Very good.

They are not just manufacturing efficiently; they are developing medicines faster. Chinese biotech companies are aggressively licensing assets to the West — antibodies, cell therapies, and novel oncology drugs — moving them into patients at a pace that outstrips the US regulatory and development cycle. Take bispecific antibodies: while we’ve spent years refining and testing our constructs, Chinese developers can take a similar design, tweak the sequence, and advance to first-in-human studies within months. They’ve turned speed into a strategic advantage.

And it’s time we learn from them.

From China, we can learn how to prioritize scale and speed without losing sight of science. We can learn how to move a molecule from concept to clinic in half the time, through coordinated teams, decisive leadership, and streamlined regulatory alignment. They’ve shown what’s possible when national strategy, capital, and execution converge behind a scientific goal.

But we must not forget what makes the US unique — our freedom to think differently. Innovation here comes from friction: the clash of ideas, the courage to challenge convention, the belief that failure is part of discovery. If we spend the next decade simply trying to compete with China on cost or manufacturing capacity, we’ll lose sight of what we are good at — that creative spark.

The reasons we struggle to compete in manufacturing are deeply woven into our national fabric — labor unions, complex zoning, and a society that still sees biopharma with some suspicion. We value individual rights and environmental safeguards — and we should — but they make it challenging to match China’s speed and efficiency. That’s not a weakness; it’s a reflection of who we are. But we must be honest about what that means.

Yet this dependence on China for manufacturing has a cost. The COVID-19 pandemic exposed how fragile global supply chains can be — and how vulnerable we become when critical drug components or manufacturing capabilities lie overseas. We can’t afford that risk again.

To safeguard national security and ensure access to essential medicines, we must invest in building and maintaining advanced biomanufacturing capacity here at home — not to replace global partnerships, but to create redundancy and resilience. Backup plants, regional hubs, and flexible production networks across the US could protect both innovation and preparedness.

This will require public–private coordination, new incentives, and policy frameworks that make it viable to build and sustain manufacturing on US soil. This means leveraging strengths of world-leading biotech clusters like Boston, San Francisco and San Diego, while building stronger alliances with other US regions that have their own scientific assets and room to ramp up domestic manufacturing. We should approach this not as isolationism, but as smart insurance — ensuring that when global systems falter, our science and supply remain strong.

Our challenge is to protect our innovation engine while ensuring biosecurity and maintaining global leadership. Recent US policies designed to limit Chinese investment and partnerships may improve national security — but if applied too broadly, they could isolate our science, fragment our supply chains, and slow our ability to deliver life-saving medicines. Meanwhile, the capital markets in Hong Kong are robust, and Chinese biotech doesn’t need capital from American investors to continue making progress.

Let’s remember what’s at stake. Many of today’s breakthrough therapies — from PD-1 antibodies to RNA vaccines to cell therapies — were developed through global collaboration. Manufacturing in Shenzhen, clinical trials in Australia, reagents from Shanghai, analytics from San Diego — these efforts save lives, not based on nationality or race, but on shared human purpose. The medicine your child, spouse, or parent may need tomorrow could be born from both American discovery and Chinese delivery.

A wise leader knows what they are good at and what they are not — and partners to fill the gaps. The US excels at discovery, translational and clinical insight, and the courage to pioneer. China excels at speed, cost, and execution. We should protect what’s uniquely ours — our innovation — while respecting and leveraging what they’ve built.

If we choose to compete wisely and collaborate thoughtfully, we can create a symbiosis that accelerates global health. That’s not naïveté — that’s pragmatism rooted in hope.

Because in the end, the true competition isn’t between nations.
It’s between disease and time.

And I, for one, am holding on to a hope that won’t fade.

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