@AnthropicAI, ONEAI OECD, co-chair @indexingai, writer @ http://importai.net Past: @openai, @business @theregister. Neural nets, distributed systems, weird futures
John Schulman
@johnschulman2
RESEARCHERRecently started @thinkymachines. Interested in reinforcement learning, alignment, birds, jazz music
Noam Brown
@polynoamial
RESEARCHERResearching reasoning @OpenAI | Co-created Libratus/Pluribus superhuman poker AIs, CICERO Diplomacy AI, and OpenAI o3 / o1 / 🍓 reasoning models
Jan Leike
@janleike
RESEARCHERAlignment team lead @AnthropicAI. Previously OpenAI & DeepMind. Optimizing for a post-AGI future where humanity flourishes. Opinions aren't my employer's.
Sam Bowman
@sleepinyourhat
RESEARCHERAI alignment + LLMs at Anthropic. On leave from NYU. Views not employers'. No relation to @s8mb. Into @givingwhatwecan.
Thomas G. Dietterich
@tdietterich
RESEARCHERDistinguished Professor (Emeritus), Oregon State Univ.; Former President, Assoc. for the Adv. of Artificial Intelligence; Robust AI & Comput. Sustainability
Dwarkesh Patel
@dwarkesh_sp
CREATORHost of @dwarkeshpodcast https://www.youtube.com/DwarkeshPatel https://open.spotify.com/show/4JH4tybY1zX6e5hjCwU6gF https://apple.co/3ujLQkZ
Joshua Achiam
@jachiam0
RESEARCHERFreedom, flourishing, and abundance. Chief Futurist @openai. Main author of http://spinningup.openai.com
Zico Kolter
@zicokolter
RESEARCHERProfessor and Head of Machine Learning Department at @CarnegieMellon. Board member @OpenAI and @Qualcomm. Chief Scientist @GraySwanAI.
Sholto Douglas
@_sholtodouglas
RESEARCHERScaling RL @AnthropicAI, ex @DeepMind - working towards intelligence too cheap to meter
Susan Zhang
@suchenzang
RESEARCHER@ Google Deepmind. Past: @MetaAI, @OpenAI, @unitygames, @losalamosnatlab, @Princeton etc. Always hungry for intelligence.
Boaz Barak
@boazbaraktcs
RESEARCHERComputer Scientist. See also http://windowsontheory.org . @harvard @openai opinions my own.
Chelsea Sierra Voss
@csvoss
ENGINEERengineeress ✨ Member of Technical Staff @openai // serious play // past @pilothq, @sendwaveapp, @khanacademy, CS/math @MIT, 2x IBO gold
Joe Carlsmith
@jkcarlsmith
RESEARCHERPhilosophy, futurism, AI. Working on Claude's values @AnthropicAI. Formerly @coeff_giving. Opinions my own.
Riley Goodside
@goodside
ENGINEERScreenshots from the jagged frontier. Formerly: Google DeepMind, Scale.
Taco Cohen
@TacoCohen
RESEARCHERSlop janitor & post-trainologer at Meta / FAIR. Into codegen, RL, equivariance. Spent time at Qualcomm, Scyfer (acquired), UvA, Deepmind, OpenAI.
Leo Gao
@nabla_theta
RESEARCHERworking on AGI alignment. prev: GPT-Neo, the Pile, LM evals, RL overoptimization, scaling SAEs to GPT-4, interp via circuit sparsity. EleutherAI cofounder.
Nathan Lambert
@natolambert
RESEARCHERResearch @allen_ai, reasoning, open models, RL(VR/HF)... Contact via email. Writes @interconnectsai, @readsail Wrote The RLHF Book, 🏔️🏃♂️
Arvind Narayanan
@random_walker
RESEARCHERPrinceton CS prof and Director @PrincetonCITP. Coauthor of "AI Snake Oil" and "AI as Normal Technology". https://www.normaltech.ai/ Views mine.
will depue
@willdepue
RESEARCHERretired ex @openai (sora 1 & 2, posttraining o3/4o, pretraining moonshots)
kipply
@kipperrii
ENGINEER"uncanny ability to be mentioned in every slack thread about code that's mysteriously breaking" - claude
augustus odena
@gstsdn
RESEARCHERSomething new. Previously: AI research at TBD Labs / Meta; cofounder at @AdeptAILabs; Invented Scratchpad / Chain-of-Thought; Google Brain
Geoffrey Irving
@geoffreyirving
RESEARCHERChief Scientist at the UK AI Security Institute (AISI). Previously DeepMind, OpenAI, Google Brain, etc.
Josh Clymer
@joshua_clymer
RESEARCHERTurtle hatchling trying to make it to the ocean. Preparing for my automation @OpenAI. Contact via email: jclymer@openai.com.
Helen Toner
@hlntnr
POLICYAI, national security, China. Part of the founding team at @CSETGeorgetown (opinions my own). Author of Rising Tide on substack: http://helentoner.substack.com
Owain Evans
@OwainEvans_UK
RESEARCHERRuns an AI Safety research group in Berkeley (Truthful AI) + Affiliate at UC Berkeley. Past: Oxford Uni, TruthfulQA, Reversal Curse. Prefer email to DM.
Kevin Roose
@kevinroose
CREATORNYT tech columnist, Hard Fork co-host, high-perplexity language model. Writing a book about AGI.
Alexander Berger
@albrgr
POLICYEnjoys a good applied micro paper. CEO of @coeff_giving. Views my own, tweets self-destruct every once in a while.
⿻ Andrew Trask
@iamtrask
RESEARCHERi teach AI on X building AI with attribution-based control @openminedorg, @GoogleDeepMind, @OxfordUni, @UN, @GovAI_, and @CFR_org
Katja Grace 🔍
@KatjaGrace
RESEARCHERThinking about whether AI will destroy the world at http://aiimpacts.org. DM or email for media requests. Feedback: http://admonymous.co/googolplex
Dylan HadfieldMenell
@dhadfieldmenell
RESEARCHERAssociate Prof @MITEECS working on value (mis)alignment in AI systems; Safety & Alignment Advisor at http://Character.AI; @dhadfieldmenell@bsky.social; he/him
Caitlin Kalinowski
@kalinowski007
EXECUTIVEBuilder-strategist in physical AI. Boards: Axon, Institute of Contemporary Art SF.
andy jones
@andy_l_jones
RESEARCHERengineering & research at anthropic. i don't check twitter DMs. email me!
Elad Hazan
@HazanPrinceton
RESEARCHERmachine learning and optimization @PrincetonCS & Google DeepMind Princeton, dad^3
Stella Biderman @ ICLR
@BlancheMinerva
RESEARCHEREnsuring that tech companies don't have a monopoly on being able to do research on cutting edge AI @AiEleuther. She/her
Dimitris Papailiopoulos
@DimitrisPapail
RESEARCHERResearcher @MSFTResearch, AI Frontiers Lab; Prof @UWMadison (on leave); reasoning in context; learning how to automate; agent of agents; babas of Inez Lily.
Ajay Jain
@ajayj_
RESEARCHERCo-founder @genmoai. Co-created denoising diffusion (DDPM), DreamFusion, Dream Fields. Ex Ph.D. @berkeley_ai, @googleai, @facebookai, @nvidiaai, @mit
rishi
@RishiBommasani
RESEARCHERSocietal/economic impacts of AI; AI policy & governance @StanfordHAI Stanford CS PhD w/ @percyliang @jurafsky Cornell CS undergrad w/ @clairecardie
Liv Boeree
@Liv_Boeree
CREATORThat poker girl. Host of the Win-Win podcast. Slaying Moloch & chasing horizons 🚀♣️🌳🦾 Watch my latest thing here 👇
Zhiqing Sun
@EdwardSun0909
RESEARCHERAgents @Meta MSL TBD Lab. previously posttraining research @OpenAI train LLMs to do things: deep research, chatgpt agent, etc. CS PhD @LTIatCMU
Adam.GPT
@TheRealAdamG
EXECUTIVEForward Deployed GTM at @OpenAI. Senior token slinger. A fan of NY sports, memes, tech & nice people. NJ. My opinions are my own.
Jimmy Apples 🍎/acc
@apples_jimmy
CREATORWagmi. 2025. As featured in Bloomberg. As quoted by Nobel Prize winner Demis Hassabis. As mentioned on the Lex Fridman Podcast💺
Ariel Herbert-Voss
@adversariel
RESEARCHERFounder @RunSybil. likes: offsec, LLMs, and dumb memes. prev: research scientist @OpenAI / CS PhD @Harvard / @defcon AI Village
Brandon McKinzie
@mckbrando
RESEARCHERresearch @OpenAI | prev: multimodal @Apple, physics/cs @UCBerkeley
Jacob Austin
@jacobaustin132
RESEARCHERI sometimes do AI research. I also play piano and climb. NYC. Previously @GoogleDeepMind, @Google Brain. Opinions my own
Shuchao Bi
@shuchaobi
RESEARCHERResearch at Meta Superintelligence Labs, RL/post-training/agents; Previously Research at OpenAI on multimodal and RL; Opinions are my own.
Kristian Lum
@KLdivergence
RESEARCHERResearch Scientist at Google DeepMind | @FAccTConference OG | Past Twitter META, @hrdag & UPenn, UChicago faculty |
Naomi Saphra
@nsaphra
RESEARCHERWaiting on a robot body. All opinions are universal and held by both employers and family. Now a dedicated grok hate account. Accepting ML/NLP PhD students.
Alex Tamkin
@AlexTamkin
RESEARCHERmachine learning, science & society @AnthropicAI | recently: Clio, Anthropic Economic Index, Claude Artifacts | prev: phd @StanfordAILab, @stanfordnlp
Gautam Kamath
@thegautamkamath
RESEARCHERAssistant Prof of CS @UWaterloo, Faculty @VectorInst, Canada @CIFAR_News AI Chair. Joining @NYU_Courant Fall 2026. Co-EiC @TmlrOrg. I lead @TheSalonML.
Teortaxes▶️ (DeepSeek 推特🐋铁粉 2023 – ∞)
@teortaxesTex
CREATORWe're in a race. It's not USA vs China but humans and AGIs vs ape power centralization. @deepseek_ai stan #1, 2023–Deep Time «C’est la guerre.» ®1
Alexey Guzey
@alexeyguzey
RESEARCHERhttp://guzey.com, http://newscience.org, @openai; in pursuit of a just, beautiful future.
Allan Dafoe
@AllanDafoe
POLICYAGI governance: navigating the transition to beneficial AGI (Google DeepMind)
Jong Wook Kim 💟
@_jongwook_kim
RESEARCHERMember of Technical Staff @OpenAI; previously at @nyuMARL, @SpotifyResearch, @pandoramusic, @kakaocorpglobal, and @NCSOFT
Angela Jiang
@jiangelaa
POLICYAI-maxxing @worktrace_ai 🩷 | Prev. Public Policy & Product @OpenAI, CS PhD @CarnegieMellon
Ian Hogarth
@soundboy
INVESTORinvestor at @pluralplatform, chair UK AI Security Institute, co-founder @songkick
Rosie Campbell
@RosieCampbell
POLICYForever expanding my nerd/bimbo Pareto frontier. AI welfare 🤝 AI safety. Managing Director @eleosai, Ex-OpenAI, 2024 @rootsofprogress fellow
Gretchen Krueger
@GretchenMarina
POLICYOver at Bluesky. Researcher affiliated w @BKCHarvard, Volunteer @evitable. Previously @openai @ainowinstitute. Views mine. #justdontbuildagi #talktomenotchatgpt
Bowen Baker
@bobabowen
RESEARCHERResearch Scientist at @openai since 2017 Robotics, Multi-Agent Reinforcement Learning, LM Reasoning, and now Alignment.
Summer Yue
@summeryue0
RESEARCHERSafety and alignment at Meta Superintelligence. Prev: VP of Research at Scale AI, research at Google DeepMind / Brain (Gemini, LaMDA, RL / TFAgents, AlphaChip).
Cate Hall
@catehall
CREATORpreorder You Can Just Do Things, a guide to personal agency, now: https://shorturl.at/kOCpz anon feedback: http://shorturl.at/vxF24 | http://catehall.com
Nicolas Papernot
@NicolasPapernot
RESEARCHERSecurity and Privacy of Machine Learning @Uoft @VectorInst @Google 🇫🇷🇪🇺🇨🇦 Co-author http://cleverhans.io; @CentraleLyon + @PSUEngineering alumnus. Opinions mine
Caglar Gulcehre
@caglarml
RESEARCHERScientist MAI, Prof @ EPFL, Ex-research scientist @ DeepMind, MSR, IBM Socials: https://bsky.app/profile/caglarai.bsky.social, http://mastodon.social/@caglarml
Steven Adler
@sjgadler
RESEARCHERAI safety researcher (ex-OpenAI: danger evals, AGI readiness, etc), writing at https://clear-eyed.ai
Matt Clifford
@matthewclifford
FOUNDERCo-founder @join_ef; Chair @ARIA_Research; Make Britain Rich Again.
Erik Torenberg
@eriktorenberg
INVESTORGeneral Partner @a16z. Positive-sum. Striving for a thousand year heart.
Irene Solaiman
@IreneSolaiman
POLICYai stuff @huggingface 🤗 founded @evaluatingevals views=mine former: @OpenAI @Harvard aspiring ukulele-singer
Ben Kuhn
@benkuhn
ENGINEERCare a lot and try hard • making language models safer @AnthropicAI • prev CTO @WaveSenegal 🐧❤️
David Hall
@dlwh
ENGINEERResearch Engineering Lead at @StanfordCRFM. Previously co-founder at Semantic Machines ⟶ MSFT. Lead developer of Levanter and Marin @dlwh@sigmoid.social
Georges Harik
@gharik
ENGINEERhumans& co-founder, 7th employee google, co-created adwords online, co-created adsense targeting, worked on ai, gmail, calendar, bought android.
Alex Rives
@alexrives
RESEARCHERAI for scientific discovery. Head of Science, Biohub. Founder and scientific director of the ESM project.
Tristan Harris
@tristanharris
POLICY• Co-founder @HumaneTech_ • Former Google Design Ethicist • Featured in Netflix's @SocialDilemma_ • #TIME100 for AI • Host #YourUndividedAttention podcast
Marius Hobbhahn
@MariusHobbhahn
FOUNDERCEO at Apollo Research @apolloaievals prev. ML PhD with Philipp Hennig & AI forecasting @EpochAIResearch
Irene Chen
@irenetrampoline
RESEARCHERML for healthcare and equity. Assistant Professor @UCBerkeley and @UCSF. Prev @Harvard, @MIT, @MSFTResearch
Avital Oliver
@avitaloliver
RESEARCHERNeural Network Plumber @OpenAI. Formerly Google Brain. Worked on http://github.com/google/flax. I used to think I'd become a math professor.
Nathan Labenz
@labenz
CREATORAI Scout, building text-2-video @Waymark, host of The Cognitive Revolution podcast
Eli Lifland
@eli_lifland
RESEARCHERAI forecasting and governance @AI_Futures_. Co-author of AI 2027 and the AI Futures Model. Also @aidigest_, @SamotsvetyF. Prev @oughtinc
Peter Wildeford🇺🇸🚀
@peterwildeford
POLICYHead of Policy @AIPolicyNetwork. Ohioan. World champion forecaster. Former data scientist. Protecting liberty and prosperity in the age of superintelligence.
Samuel Hammond 🦉
@hamandcheese
POLICYChief economist + AI Policy Director, @joinFAI. Nonresident fellow @NiskanenCenter. Pluralist. 'The world is second best, at best.' | samuel@thefai.org
Toby Shevlane
@tshevl
RESEARCHER@_Mantic_AI cofounder & CEO, on a mission to solve forecasting. Prev: research scientist @GoogleDeepMind, PhD at @UniofOxford.
Matthew Yglesias
@mattyglesias
CREATORSlow Boring, cohosting http://politix.fm and The Argument pod. NYT contributing opinion writer.
Brad Gerstner
@altcap
INVESTORFounder - Altimeter, Invest America | Trump Accounts, Center for Heart Attack Prevention. One precious life. Views here personal. @investamerica24 @bg2pod
Chubby♨️
@kimmonismus
CREATORDream realized! Turned my love for AI into a career - sharing daily. Get my newsletter (225k+ subs): 🔗 https://linktr.ee/kimmonismus //📧 kim@getsuperintel.com
Jay Hack
@mathemagic1an
ENGINEERHead of AI @clickup. Tweets about AI, computing and knowledge work. Previously founder @codegen / ML @palantir / CS @stanford. Not a pseudonym.
Sam Whitmore
@sjwhitmore
ENGINEEReng at @cursor_ai. not a cat (or a man) in real life. I like to run a lot! @newcomputer @kensho @harvard @StuyNY
Brendan McCord 🏛️ x 🤖
@Brendan_McCord
POLICYThe academy for philosopher-builders (https://www.cosmos-institute.org). A law unto myself, just like you.
David Manheim
@davidmanheim
RESEARCHERLecturer @TechnionLive, founder @alter_org_il, emeritus @superforecaster, PhD @PardeeRAND Optimistic on AI, pessimistic on humanity managing the risks well.
Saffron Huang
@saffronhuang
RESEARCHERhow shall we live together? societal impacts researcher @AnthropicAI • ex @GoogleDeepMind @AISecurityInst⋅ @collect_intel co-founder • views mine
Joel Lehman
@joelbot3000
RESEARCHERML researcher, co-author Why Greatness Cannot Be Planned. Creative+safe AI, philosophy. SiR @second_natureai; prev OpenAI / Uber AI / Geometric Intelligence
Seán Ó hÉigeartaigh
@S_OhEigeartaigh
RESEARCHERDirector of http://ai-far.org at Uni of Cambridge | Researching Big Risks, and impacts of AI & emerging tech. Opinions own
Rylan Schaeffer
@RylanSchaeffer
RESEARCHERAI RS @ Meta TBD. On-Leave from Stanford w/ @sanmikoyejo. Prev @ Gemini, Meta, MIT, Harvard, Uber, UCL, UC Davis
Jeffrey Wang
@jeffreygwang
RESEARCHERResearcher @OpenAI, working on pretraining & reasoning. Previously (and perhaps again) CS/Math/English @Harvard.
Sarah Shoker
@SarahShoker
RESEARCHERSenior Research Scholar in AI at the Berkeley Risk and Security Lab at UCB. Formerly the Lead of the Geopolitics Team at OpenAI.
Michael Lai
@Mtclai
POLITICIANAI for state + local government @AnthropicAI | SF elected | community builder
Jason Phang
@zhansheng
RESEARCHERFoundations at @OpenAI. PhD @NYUDataScience, @AiEleuther, 🇸🇬. Prev: @Google, @Microsoft
reah miyara
@reah_ai
ENGINEERbuilding rl systems & model evals ex @openai, @googledeepmind, @ibmwatsonx, @nasajpl
Jas Sekhon
@Jas_S_Sekhon
RESEARCHERChief Strategy Officer at @GoogleDeepMind. Fmr Chief Scientist at Bridgewater and Professor at @UCBerkeley, @Yale, and @Harvard.
Ashvin Nair
@ashvinair
RESEARCHERRL foundations @cursor_ai. Prev: o1, o3, Code Interpreter @openai, 9 years learning to poke by poking at UC Berkeley
Roy Frostig
@froystig
RESEARCHERresearch scientist at @googledeepmind. co-author of JAX (https://github.com/jax-ml/jax)
