Co-Founder at Tacit Labs Evals & hocus pocus

San Francisco
Joined June 2012
Turns out I really like the Tacit team
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Anne Marie Droste retweeted
The most important thing we can apply AI to is improving medicine and human health - very excited about this partnership with the CZI and the Virtual Biology Initiative!
Today, Isomorphic Labs joins the Virtual Biology Initiative (VBI) as a founding member. We are helping build an open resource for the global research community to accelerate how we understand and treat disease. Read more here: isomorphiclabs.com/articles/…
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Big day for optogenetics! Congrats all!
BREAKING NEWS The 2026 #NobelPrize in Physiology or Medicine has been awarded to Karl Deisseroth, Peter Hegemann and Georg Nagel “for their discoveries concerning light-gated ion channels and optogenetics.”
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Might be biased but @tacitlabsco *is* a great startup to join! We are hiring across research and engineering, we're growing very fast, we have fun. Thank you @alanaagoyal for the shoutout!
I made a list of great startups to join. It's called the Breakout List. The list has 92 companies. These are the 20 with 25 or fewer employees: - Hone (@moritz_stephan, @CarloWillem, @oqbrady) - Normal (@ansonyuu, @hudzah) - Standard Intelligence (@G413N, @devanshpandey) - Tacit Labs (@ninklefitz, @AmDroste) - American Terawatt (@atroyn, @rslparker, @aranibatta) - Conduit (@clemvonstengel, @riopopper) - Convergent (Omkar Savant, Vivek Katara, @debnilsur) - Core Automation (@MillionInt, @_arohan_) - Engram (@dan_biderman, @EyubogluSabri, @realJessyLin) - Instinct (@noahrshinn) - Keenable (@styskin, Matthias Petri) - Lumaril (Mark Elliot, Ben Duffield) - Neion Bio (@Dimkell, Sam Levin) - Pangram Labs (@max_spero_, @bradley_emi) - Quadrillion (@echinaceous) - Re (@karnsaroya, @AnandDhillon, @thecliffwhite, @benaneesh) - Ricursive (@annadgoldie, @Azaliamirh) - Sail Research (@neilmovva, @blintzbase) - Trajectory (@rronak_, @michaelelabd, @QuantumArjun) - Watney Robotics (Sean Cheong, Ryan Gannon) Picks from Elad Gil, Charlie Songhurst, Keith Rabois, Mike Vernal, Alana Goyal, Sonya Huang, Ramtin Naimi, Marc Bhargava, Cory Levy, Aashay Sanghvi, Konstantine Buhler, John Luttig, Varun Gupta, Ray Tonsing and Avichal Garg. Disclosure: I'm a small investor in American Terawatt, Convergent, Standard Intelligence and Trajectory (in this post), and in Factory, Physical Intelligence and SF Compute (elsewhere on the list). I didn't vote. The full list is on Breakout List.
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Big new team, big new office, big new tree @tacitlabsco Yes, we have ordered chairs
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If you're a scientist using a frontier model at work and you're getting safety checked - we at @tacitlabsco want to buy that trace. We'll protect your privacy / scrape anything sensitive. DMs open, let's make these models useful.
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Anne Marie Droste retweeted
near ideal test time scaling on LifeSciBench, w nice performance/efficiency gains from Astra! lots of movement across the labs on scientific discovery capabilities this summer; shaping up to be an exciting fall
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Happy for Matt, delighted for Ant - what a hire
Some personal news: I'm joining @AnthropicAI as Managing Director, International Affairs, leading the company's work with governments outside North America
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Byeee office! That + the coffee machine was what really sealed the deal for me let's be honest
in oct 2025 i signed a lease for an office in Dogpatch - literally just myself and a newly incorporated @tacitlabsco. felt like a totally ridiculous decision at the time to rent 1,800 sqft for a company that basically only existed on paper. today, we say goodbye to our faithful Dogpatch office as we’ve way outgrown it’s walls - up to 15+ in the office during the week, meetings comically spilling out to the kitchen, the park, our neighbourhood cafe. how quickly things change! we’ll be moving into 5,000 sqft in my favourite part of the Mission (Harrison & 20th). say hi if you’re in the neighbourhood! onwards 🌀
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We interviewed someone great who brought homegrown lemons into the office, and so to celebrate his offer Nicole and I made him a lemon cheesecake. We will definitely never do this again, but man this bit is fun
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Tacit words: shape, post-hoc, zapbot, seemingly, woowoo, verifier, request, flex, major.
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Anne Marie Droste retweeted
dunking on ppl who have tried extraordinary things & then had a set back is lame.
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Nearly fell for a Craigslist scam today. If anyone else wants to rent me a single family home in Cole Valley for $7k, would lose the application fee all over again
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Anne Marie Droste retweeted
We’re giving scientists, mathematicians, and engineers free access to our frontier models—starting with 10,000 researchers and expanding to 100,000 through 2027. ChatGPT for Academic Researchers is built to accelerate discovery across disciplines.
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Anne Marie Droste retweeted
SITUATION DETECTED: The White House Office of Science and Technology Policy has released a report directing federal research funding toward individual scientists and AI use rather than universities, per WSJ. The directives will shape about $200B in annual federal R&D spending.
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Congrats Jack & team!
Thrilled to announce our $400M Series C led by @IndexVentures, with @kleinerperkins, @sequoia, @_DimensionCap and others. Great to speak to @m_delamerced @nytimes about how drug discovery using AI is moving from a promise to actual deployment.
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Anne Marie Droste retweeted
h/t @ninklefitz at @tacitlabsco for thought-leading “one million zero-person biotechs” into existence: tacitlabs.co/introducing-tac…
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