Raphael Lee

@raphomet

MTS @AnthropicAI. Host of the Building AI Products podcast. Co-founder @USDResponse, VPE @Lob, eng & data @airbnb, angel investor, startup advisor, dad.

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José Luis Ricón Fernández de la Puente

@artirkel

Head of Theory at @RetroBio_ , enjoyer of things, blog: nintil.com

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Julian Schrittwieser

@mononofu

Member of Technical Staff at Anthropic AlphaGo, AlphaZero, MuZero, AlphaCode, AlphaTensor, AlphaProof Gemini RL Prev Principal Research Engineer at DeepMind

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Dan Jurafsky

@jurafsky

Professor of linguistics and professor of computer science at Stanford and author of the James Beard award finalist "The Language of Food"

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davidad 🎇

@davidad

Programme Director @ARIA_research | accelerate mathematical modelling with AI and categorical systems theory » build safe transformative AI » cancel heat death

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dylan matthews 🔸

@dylanmatt

I write for Vox 🔸 I donate 10 percent of my income to effective charities and so can you givingwhatwecan.org/pledge

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Joel Lewenstein

@joellewenstein

design @ Anthropic

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Lauren Wagner

@typewriters

new markets for trustworthy tech • @CFR_org, @arcprize x- @Meta, @GoogleAI, @OIIOxford • angel investor

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Nick Allardice

@nickallardice

Scaling social impact by building teams, technology and evidence. Opinions my own. President & CEO @GiveDirectly. Fmr CEO @Change. nickallardice.com

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Dustin Moskovitz

@moskov

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Jenny Wen

@jenny_wen

whimsy and worry. design @anthropicAI.

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Dan Roy

@roydanroy

ML / AI researcher. Research Director and Canada CIFAR AI Chair, @VectorInst. Professor, @UofT (Statistics/CS).

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Kyunghyun Cho

@kchonyc

a combination of a mediocre scientist, a mediocre manager, a mediocre advisor & a mediocre physicist at @nyuniversity (@CILVRatNYU) & @PrescientDesign

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Pablo Sanzo

@pablosanzo

You can just do things™

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Richard Ngo

@richardmcngo

studying AI and trust. ex @openai/@googledeepmind, now thinking in public.

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Jack Clark

@jackclarksf

@AnthropicAI, ONEAI OECD, co-chair @indexingai, writer @ importai.net Past: @openai, @business @theregister. Neural nets, distributed systems, weird futures

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Percy Liang

@percyliang

Associate Professor in computer science @Stanford @StanfordHAI @StanfordCRFM @StanfordAILab @stanfordnlp | cofounder @togethercompute | Pianist

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Lilian Weng

@lilianweng

Co-founder of Thinking Machines Lab @thinkymachines; Ex-VP, AI Safety & robotics, applied research @OpenAI; Author of Lil'Log

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Daniel Johnson

@_ddjohnson

Member of Technical Staff at @TransluceAI. PhD student at @VectorInst / @UofT. Building tools to study neural nets and their behaviors. He/him.

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will grathwohl

@wgrathwohl

Lover of raccoons and machine learning. Daddy to Scumpo Drumpfus. Occasional cyclist for justice. learning about silly language models @anthropicai

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Dean Karlan

@deankarlan

Economics and Finance Professor, Northwestern University; Chief Economist, USAID

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Geoffrey Litt

@geoffreylitt

researching malleable software @inkandswitch / prev PhD @MIT_CSAIL / 🇯🇵🇺🇸

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Danielle Ghiglieri

@d_ghiglieri

Comms at Anthropic. Media relations strategist. Generative AI comms obsessed. Mama to two littles. SF -OC-TX

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dave kasten

@david_kasten

Do what seems cool next. Formerly: McKinsey, VaccinateCA, Activision Blizzard.

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Sam Bowman

@sleepinyourhat

AI alignment + LLMs at Anthropic. On leave from NYU. Views not employers'. No relation to @s8mb. I think you should join @givingwhatwecan.

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Henrik Karlsson

@phokarlsson

I write essays at henrikkarlsson.xyz Right now thinking about writing-as-thinking, relationships, self-cultivation, LLMs

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Garrison Lovely

@garrisonlovely

Omidyar Network - Reporter in Residence. Covers: @Jacobin, @TheNation Bylines: @NYTimes, @Nature, @BBC, @Guardian, @TIME, @Verge, @TRF, + others.

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Christopher Potts

@chrisgpotts

Stanford Professor of Linguistics and, by courtesy, of Computer Science, and member of @stanfordnlp and @StanfordAILab. He/Him/His.

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Ferenc Huszár

@fhuszar

Secular Bayesian. Professor of Machine Learning @Cambridge_CL. Talent aficionado at airetreat.org Alum of @Twitter, Magic Pony and @Balderton

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Casey Handmer, PhD

@cjhandmer

Physicist, Immigrant, Pilot, Dad. Former Caltech, Hyperloop, NASA JPL. Founder @terraformindies. Read scrolls. Build more solar!

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Miles Brundage

@miles_brundage

Independent AI policy researcher, wife guy in training, fan of cute animals and sci-fi. I have a Substack.

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Rosanne Liu

@savvyrl

Cofounded & running @ml_collective. Host of Deep Learning Classics & Trends. Research at Google DeepMind. DEI/DIA Chair of ICLR & NeurIPS.

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Daniel Tan

@danielchtan97

AI safety researcher | MATS 7.0, Owain Evans | PhD candidate, UCL | A*STAR scholar

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Eric Jang

@ericjang11

AI at @1x_tech

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Behnam Neyshabur

@bneyshabur

Research @AnthropicAI 💼 Past: Gemini @GoogleDeepMind (Co-led Blueshift team) 🧠 LLM Reasoning / AI Scientist 🎒Traveling & Backpacking -- All views are my own!

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Kyla Scanlon

@kylascan

Author of "In This Economy?” | otherwise writing, podcasting, and youtubing [email protected]

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Sanmi Koyejo

@sanmikoyejo

I lead @stai_research at Stanford.

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Drew Bent

@drew_bent

education & ai @AnthropicAI / founded schoolhouse.org with @salkhanacademy / @mit @stanford

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will brown

@willccbb

ai/ml research @morganstanley | prev phd @columbia bs/ms @penn

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Lee Sharkey

@leedsharkey

Scruting matrices @ Goodfire | previously @ Apollo Research

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Kelsey Piper

@kelseytuoc

Senior writer at Vox's Future Perfect. We're not doomed, we just have a big to-do list.

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Simon Berens - e/LTV/CAC

@sberens1

bright lighting enthusiast

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Aryaman Arora

@aryaman2020

member of technical staff @stanfordnlp

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mrinank 🍂

@mrinanksharma

safeguards research lead @ anthropic ⭐️ poet, flautist, ecstatic dance DJ ⭐️ everything has to do with loving and not loving, rumi

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Sydney Levine

@sydneymlevine

Research Scientist @GoogleDeepmind working on AI Safety and human morality. Starting as Assistant Prof in NYU Psych Dept, Spring 2026.

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alex lawsen

@lxrjl

AI Grantmaking @ Open Philanthropy Previously 80,000 Hours, teaching, forecasting, poker. Views my 🐒's

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Mihir Patel

@mvpatel2000

Member of Technical Staff @AnthropicAI. prev @MosaicML/@DbrxMosaicAI, @Stanford. Views do not represent my employer.

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Jibraan

@kadrijibraan

head of bio @spermracing. side quests: gene therapy research, @nucleatedojo sf, co-host @JoinCrescentia

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Anthropic

@anthropicai

We're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant Claude at Claude.ai.

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John Schulman

@johnschulman2

Recently started @thinkymachines. Interested in reinforcement learning, alignment, birds, jazz music

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Rona likes compilers

@ronawang

compiler engineer (please hire me) // @mit math & cs

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Simon Goldstein

@simondgoldstein

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Super Dario

@inductionheads

I cooka da AI. Autoregression is the secret sauce. If your kids ask, tell them I'm Dario's helper

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Neel Nanda

@neelnanda5

Mechanistic Interpretability lead DeepMind. Formerly @AnthropicAI, independent. In this to reduce AI X-risk. Neural networks can be understood, let's go do it!

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Julian

@mealreplacer

thinking about how to make AI go well @open_phil

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Christopher Dalton

@csmartdalton

GPU and path rendering engineer at @rive_app.

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James Snowden

@jsnwden

Grantmaker @open_phil (prev @givewell) | public health policy |🔸 I give 10% to effective charities and so can you givingwhatwecan.org/pledge

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Sunday Light

@thesundaylight

The closest thing to sunshine you can buy. Created by @natmart_in and Sean Hammett

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AI Security Institute

@aisecurityinst

We conduct scientific research to understand AI’s most serious risks and develop and test mitigations.

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Goodfire

@goodfireai

Advancing humanity's understanding of AI through interpretability research. Building the future of safe and powerful AI systems.

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Transluce

@transluceai

Open and scalable technology for understanding AI systems.

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Thinking Machines

@thinkymachines

Thinking, beeping, and booping.

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Softmax

@softmaxresearch

Softmax's mission is to scale organic alignment. We approach this problem with multi-agent reinforcement learning population-based simulations.

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Amanda Askell

@amandaaskell

Philosopher & ethicist trying to make AI be good @AnthropicAI. Personal account. All opinions come from my training data.

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Barret Zoph

@barret_zoph

CTO Thinking Machines Lab (@thinkymachines) Past: - VP Research (Post-Training) @openai - Research Scientist at Google Brain

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David Hershey

@davidshershey

AI Generalist | Writer of generallyintelligent.substack.com

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Justine Moore

@venturetwins

Partner @a16z doing all things AI 🤖 | Investor in @elevenlabsio, @krea_ai, @bfl_ml, @WaveFormsAI, @ViggleAI, & more 🤫 | Twin to @omooretweets 👯‍♀️

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Joshua Achiam

@jachiam0

Human. Head of Mission Alignment at @openai. Main author of spinningup.openai.com

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Rinad

@rinadalanakrih

print ("Hello, World")

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Wojciech Zaremba

@woj_zaremba

Co-Founder of OpenAI woj.world

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