gp @a16z bio | physician, adjunct clinical prof @stanfordmed | prev @gvteam, product @flatironhealth, mdphd @broadinstitute | out-tweeting @paraga @littleansh

Joined May 2011
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Strong co-sign. So well said. “We don’t need the government to be fast nearly as much as we need it to be dated. A yes in twelve months is a project you can finance. A no in twelve months is a write-off, and write-offs we can live with. What capital can’t price is the undated ‘maybe,’ the review that runs two years or seven depending on litigation, staffing, and luck. …The clock forces a decision, but it doesn’t force a yes. A legitimate system can say yes, say no, and explain why. What it can’t say is wait forever.”
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Nice! @boltz_bio is on a roll, and true to the company’s open source roots, remains focused on putting access to the latest Boltz models in the hands of every scientist, all across entire pharma R&D orgs (Note this is distinct from narrowly scoped discovery partnerships, or collaborations based on delivering binders against a select few targets — such partnerships have their place too!) Core belief: AI models are best used by scientists inside an org who have intimate knowledge of the ‘hurdle’ to be solved for a given drug program, have access to all prior screening campaigns, are owning all downstream experimental data, and are seeing molecules advance against multiple targets side by side to prioritize resources / effort (and yes, token spend…) across programs Congrats @GabriCorso, @boltz_bio, and @GSK teams!
Today, we are excited to announce a major partnership with @GSK to deploy the latest Boltz models across GSK’s research organization!
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AI imitates life imitates art imitates life. Incredible brand and product execution here by Harvey.
Would Harvey Specter use Harvey? @GabrielMacht had to ask.
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Anthropic's biggest advantage in drug development may not be access to model intelligence (becoming more widespread; more labeled biological data exists elsewhere) -- it may be access to capital The combination of both is particularly striking: many prior promising drug campaigns have been abandoned due to high cost of risk capital, and many prior 'tech industry' efforts lacked biopharma industry intelligence Personally think the effort is worth watching seriously, with optimism this time
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Boltz is accessible via @claudeai products! Boltz models can now run natively inside both Claude Science, Anthropic’s new AI workbench for scientists, and Claude Code. Install the Boltz, and ask it to take on your next challenging discovery task.
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Introducing Claude Science, a new app designed with every stage of research in mind. Artifacts traced to their code, environments managed on demand, and 60 optional scientific databases that you can connect. Available now in beta.
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These numbers are actually crazy I love me a brilliant healthcare administrator, but our ratios are clearly just off (and getting more off) As @JayRughani and @janerheetweets write, may the AI agents please go forth and prosper... (s/o @ProsperAI_HQ) a16z.com/announcement/invest…
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lol so true. my daughter even indicated that the sticker was actually waterproof, opening up the unique opportunity to wear it until the end of time
if a toddler puts a sticker on you, that’s a sign of great respect in their culture
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Today is exactly one year from finishing my 16th round of chemo. Never give up.
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Congrats to @scribetx and @CIRMnews! And a thoughtful analogy from @BenjaminLOakes below. If the genetic medicine could be safe enough and effective forever — we would all want the one-time genetic upgrade.
CRISPR genetic medicines are often described as more “convenient” than chronic treatments like pills or injections. 𝗜 𝘁𝗵𝗶𝗻𝗸 𝘁𝗵𝗶𝘀 𝗺𝗶𝘀𝘀𝗲𝘀 𝘁𝗵𝗲 𝗽𝗼𝗶𝗻𝘁 𝗲𝗻𝘁𝗶𝗿𝗲𝗹𝘆. 𝗜𝘁 𝗶𝘀 𝗹𝗶𝗸𝗲 𝘀𝗮𝘆𝗶𝗻𝗴 𝗳𝗹𝘆𝗶𝗻𝗴 𝗮𝗰𝗿𝗼𝘀𝘀 𝘁𝗵𝗲 𝗰𝗼𝘂𝗻𝘁𝗿𝘆 𝗶𝘀 𝗺𝗼𝗿𝗲 𝗰𝗼𝗻𝘃𝗲𝗻𝗶𝗲𝗻𝘁 𝘁𝗵𝗮𝗻 𝘄𝗮𝗹𝗸𝗶𝗻𝗴. 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹𝗹𝘆 𝘁𝗿𝘂𝗲, 𝗯𝘂𝘁 𝘄𝗶𝗹𝗱𝗹𝘆 𝗶𝗻𝗰𝗼𝗺𝗽𝗹𝗲𝘁𝗲. One is not just an easier version of the other. Flying makes the journey possible for everyone, while only a select few could ever hope to complete a cross-country trek. We see this same dynamic play out again and again in cardiovascular disease. The current standard of care asks patients to commit to chronic therapy for decades: daily pills, repeat injections, and continued persistence fails for most. 𝗜𝗻 𝗿𝗲𝗰𝗲𝗻𝘁 𝘀𝘁𝘂𝗱𝗶𝗲𝘀, 𝗺𝗼𝗿𝗲 𝘁𝗵𝗮𝗻 𝟳𝟬% 𝗼𝗳 𝗽𝗮𝘁𝗶𝗲𝗻𝘁𝘀 𝘄𝗲𝗿𝗲 𝗻𝗼 𝗹𝗼𝗻𝗴𝗲𝗿 𝘁𝗮𝗸𝗶𝗻𝗴 𝘁𝗵𝗲𝗶𝗿 𝘁𝗵𝗲𝗿𝗮𝗽𝗶𝗲𝘀 𝗮𝗳𝘁𝗲𝗿 𝗼𝗻𝗹𝘆 𝗮 𝗳𝗲𝘄 𝘆𝗲𝗮𝗿𝘀. Against that backdrop, describing durable genetic medicines as simply more “convenient” does no one justice. The current chronic medication paradigm, our “sick-care” framework, simply does not work well enough for silent lifelong diseases such as CVD. 𝗪𝗲 𝗺𝘂𝘀𝘁 𝗯𝘂𝗶𝗹𝗱 𝘀𝗼𝗺𝗲𝘁𝗵𝗶𝗻𝗴 𝗯𝗲𝘁𝘁𝗲𝗿. The goal is not just fewer doses. The goal is a model of prevention that is practical for all and matched to how lifelong risk actually works. 𝗪𝗲 𝘀𝗵𝗼𝘂𝗹𝗱 𝗻𝗼𝘁 𝘀𝗲𝘁𝘁𝗹𝗲 𝗳𝗼𝗿 𝗺𝗮𝗸𝗶𝗻𝗴 𝘁𝗵𝗲 𝘄𝗮𝗹𝗸 𝗲𝗮𝘀𝗶𝗲𝗿. 𝗪𝗲 𝗺𝘂𝘀𝘁 𝗯𝘂𝗶𝗹𝗱 𝘁𝗵𝗲 𝗮𝗶𝗿𝗽𝗹𝗮𝗻𝗲. I am incredibly proud that the California Institute for Regenerative Medicine is helping us make that vision a reality. Scribe recently announced that we have been awarded more than $25 million from CIRM to help advance STX-1200 for Lp(a) and STX-1400 for severely elevated triglycerides toward the clinic. This funding helps us move these programs from possibility to patients. 𝗖𝗼𝗻𝗴𝗿𝗮𝘁𝘂𝗹𝗮𝘁𝗶𝗼𝗻𝘀 𝘁𝗼 𝘁𝗵𝗲 𝗦𝗰𝗿𝗶𝗯𝗲 𝘁𝗲𝗮𝗺, 𝗮𝗻𝗱 𝘁𝗵𝗮𝗻𝗸 𝘆𝗼𝘂 𝘁𝗼 𝗖𝗜𝗥𝗠 𝗳𝗼𝗿 𝘀𝘂𝗽𝗽𝗼𝗿𝘁𝗶𝗻𝗴 𝗼𝘂𝗿 𝗺𝗶𝘀𝘀𝗶𝗼𝗻 𝘁𝗼 𝗯𝗿𝗶𝗻𝗴 𝗱𝘂𝗿𝗮𝗯𝗹𝗲 𝗴𝗲𝗻𝗲𝘁𝗶𝗰 𝗺𝗲𝗱𝗶𝗰𝗶𝗻𝗲𝘀 𝘁𝗼 𝗽𝗮𝘁𝗶𝗲𝗻𝘁𝘀 𝘄𝗶𝘁𝗵 𝗰𝗮𝗿𝗱𝗶𝗼𝗺𝗲𝘁𝗮𝗯𝗼𝗹𝗶𝗰 𝗱𝗶𝘀𝗲𝗮𝘀𝗲.
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Super excited by this initiative A moonshot not only for infectious disease prevention but also for healthcare more broadly given all the downstream ramifications of respiratory infections which we don’t even fully understand yet… Kudos @nanransohoff, @collision and team - thank you for stepping up to take on this ambitious grand challenge
Today we're launching Intercept: a $500M philanthropic initiative to make respiratory infections, like the common cold and flu, a thing of the past. We treat respiratory infections as a minor nuisance, but that’s really not the case. Most of us will spend 5% of our lives (!) sick from these viruses, they kill 1M people a year, cost $600B annually in productivity, and periodically threaten civilization through pandemics. So, if they’re such a big problem, why haven’t we dealt with them yet? Last year we convened ~40 leading scientists, pharma R&D leaders, biotech investors, and regulatory experts to better understand that. We heard two main reasons: (1) First, it’s just technically very challenging: respiratory viruses represent hundreds of distinct, mutating strains across several families. Fortunately, recent breakthroughs make this newly possible. (2) Second is a lack of funding: broad-spectrum solutions have historically been underfunded, in part because they’re not a great fit for most philanthropic or commercial funding (and while COVID generated a burst of activity around preventing and understanding respiratory infections through an influx of new funding, that hasn't been sustained). We think that with enough focus and funding, this might be solvable. Intercept is a $500 million philanthropic initiative that will take advantage of new tools to catalyze the development and deployment of two types of products: broad-spectrum preventatives and air cleaning technologies. This problem is undoubtedly difficult. But it’s more tractable now than it’s ever been. We think we should give it our best shot. We’re enormously grateful to our anchor funders: @stripe, @AnthropicAI, @TheFluLab, @FoundationOAI and individuals from Jane Street. And, I’m very excited to be building this with @incredutility and the rest of the team.
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Well this certainly reflects well on the caliber of the leadership team Marc Tessier-Lavigne and @Xaira_Thera are building. Must be the first time a large pharma names a global head of R&D whose last role was chief medical officer at a biotech startup! Also love to see the continued leadership of so many inspiring md phds (go mud phuds!) across our industry. A clinical lens and instinct on pipeline strategy is valuable. Rooting for Paulo Fontoura and @sanofi success in this next phase statnews.com/2026/06/22/sano…
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Congrats Brian! Cool to see a “Chief Biotechnology Officer” at a leading large US health system. Kudos @NorthwellHealth for your leadership The bio x health intersection sounds obvious but the worlds live too far apart today in practice
After almost five meaningful years at the @IcahnMountSinai, I’ll be wrapping up my time here at the end of June and closing this chapter of my academic career. I’m deeply grateful to my colleagues, trainees, collaborators, and leaders at Mount Sinai for the opportunities to build programs together and push the science of neuroimmunology and care of inflammatory skin (and other) disease forward — it has been a privilege to grow alongside such a talented community. In July, I’ll be joining the Feinstein Institutes for Medical Research & @NorthwellHealth as the inaugural Chief Biotechnology Officer, focusing on building new bridges between discovery, clinical research, and biotech across the health system. I’m excited about the chance to help accelerate translational science at scale and to work with new partners across academia, industry, and venture. My lab will continue to focus on foundational science in neuroimmunology. More details soon. To everyone I’ve had the chance to work with so far — thank you. I’m looking forward to staying in touch, finding new ways to collaborate, and continuing to advance the field together from this new perch.
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Go @inductive_bio! 🥇 Dying to know our anthem… And thanks to all the OpenADMET coalition members for supporting the data sharing, tools, and benchmarking that will uplevel small molecule discovery efforts all across the ecosystem @AsteraInstitute @UCSF @gatesfoundation @ARPA_H @OctantBio
Medal Ceremony for the first OpenADMET competition complete with AI generated anthems. 1st Place: @inductive_bio 2nd: @Merck 3rd: @Merck_KGAA
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Medal Ceremony for the first OpenADMET competition complete with AI generated anthems. 1st Place: @inductive_bio 2nd: @Merck 3rd: @Merck_KGAA
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For years, Eli Lilly lived in the shadow of bigger rivals. Then weight-loss drugs changed everything. For the July cover of @BW, @BradStone and I chronicled one of the most dramatic transformations in the drug industry’s history.
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At Prosper AI we are thrilled to have raised a $30M Series A led by @a16z We’ve grown 5x in the last 6 months, supporting now 150,000 healthcare providers and 60 healthcare organizations, including outpatient groups and enterprises backed by firms like Blackstone, KKR, and Bain Capital. Healthcare's most influential organizations, including @athenahealth , the largest EHR for outpatient practices, are now our customers. Prosper is the first AI platform to run the entire patient journey. 👇
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Pretty sure @mntruell graduated. But yes, something like 10% of our software interns have gone on to be billionaires. 😂 Here’s his blog post for nostalgia’s sake. octant.bio/blog-posts/bits-a…
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An inspiring day @VertexPharma! A privilege to speak in the Vertex “tech talk” series, a memorable Altshuler lab reunion, and a bonus tour of the wall of Vertex history! There are so few examples *ever* of biotech startups reaching full vertical scale bringing *multiple* impactful commercial therapies to market on their own — it’s worth studying the people, culture, choices, and market conditions that enabled companies like Vertex, Gilead, Amgen, Genentech, Alnylam, Regeneron … to reach their current form Loved the lab notebook from 2000 describing early results of a CFTR voltage screening assay … en route to ivacaftor (approved in 2012)
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Telepatia has raised $42 million, including a $33 million Series A led by a16z. My father’s nickname was Telepatia. He was a doctor who passed away at 58 from a preventable cause. A few days after his death, ChatGPT launched. My first thought was that an AI Doctor would have saved his life as a patient, and that he would have loved using one as a doctor. So we built it: an AI Doctor for doctors, by doctors. Telepatia's AI Doctor is live in more than 25 public and private health institutions, home to more than 100,000 doctors and nurses throughout Latin America 🇧🇷🇨🇴🇲🇽🇨🇱🇦🇷 We're building an AI Doctor and our goal is to bring Latin America its first Nobel Prize in Medicine since 1984.
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