I like to train large deep neural nets. Previously Director of AI @ Tesla, founding team @ OpenAI, PhD @ Stanford.
Andrew Ng
@AndrewYNg
RESEARCHERCo-Founder of Coursera; Stanford CS adjunct faculty. Former head of Baidu AI Group/Google Brain. #ai #machinelearning, #deeplearning #MOOCs
Jack Clark
@jackclarkSF
POLICY@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
Chris Olah
@ch402
RESEARCHERReverse engineering neural networks at @AnthropicAI. Previously @distillpub, OpenAI Clarity Team, Google Brain. Personal account.
Noam Brown
@polynoamial
RESEARCHERResearching reasoning @OpenAI | Co-created Libratus/Pluribus superhuman poker AIs, CICERO Diplomacy AI, and OpenAI o3 / o1 / 🍓 reasoning models
Wojciech Zaremba
@woj_zaremba
FOUNDERAI resilience at OpenAI Foundation Co-Founder of OpenAI https://woj.world
Sam Bowman
@sleepinyourhat
RESEARCHERAI alignment + LLMs at Anthropic. On leave from NYU. Views not employers'. No relation to @s8mb. Into @givingwhatwecan.
Jim Fan
@DrJimFan
RESEARCHERNVIDIA Director of Robotics & Distinguished Scientist. Co-Lead of GEAR lab. Solving Physical AGI, one motor at a time. Stanford Ph.D. OpenAI's 1st intern.
Barret Zoph
@barret_zoph
RESEARCHER@openai Past: - CTO & Co-Founder Thinking Machines Lab (@thinkymachines) - VP Research (Post-Training) @openai - Research Scientist at Google Brain
William Fedus
@LiamFedus
RESEARCHERCo-Founder of @periodiclabs Past: VP of Post-Training @OpenAI; Google Brain
Richard Socher
@RichardSocher
RESEARCHERCEO @youdotcom MP @aixventuresHQ Before: Stanford Adj Prof in AI/NLP, Chief Scientist at Salesforce, MetaMind
Sander Dieleman
@sedielem
RESEARCHERResearch Scientist at Google DeepMind (WaveNet, Imagen, Veo). I tweet about deep learning (research + software), music, generative models (personal account).
Joshua Achiam
@jachiam0
RESEARCHERFreedom, flourishing, and abundance. Chief Futurist @openai. Main author of http://spinningup.openai.com
Catherine Olsson
@catherineols
ENGINEERHanging out with Claude, improving its behavior, and building tools to support that @AnthropicAI 😁 prev: @open_phil @googlebrain @openai (@microcovid)
Sholto Douglas
@_sholtodouglas
RESEARCHERScaling RL @AnthropicAI, ex @DeepMind - working towards intelligence too cheap to meter
tylercowen
@tylercowen
CREATORnew book *Talent: How to Identify Energizers, Winners, and Creatives Around the World*, http://marginalrevolution.com, Conversations with Tyler, The Free Press.
Vinod Khosla
@vkhosla
INVESTORentrepreneurship zealot, grounded technology possibilist, believer in the power of ideas, passionate about sustainability & impact
Nal
@nalkalc
RESEARCHERAngel investor. Ex Researcher in Deep Learning @GoogleDeepMind. Co-creator @GoogleAI Brain Amsterdam, Ex original @DeepMind, Edu at Oxford, UvA and Stanford.
Chelsea Sierra Voss
@csvoss
ENGINEERengineeress ✨ Member of Technical Staff @openai // serious play // past @pilothq, @sendwaveapp, @khanacademy, CS/math @MIT, 2x IBO gold
Smerity
@Smerity
RESEARCHERML x society. Founding Member of Technical Staff at Project Prometheus. Prev @midjourney, @SFResearch, @CommonCrawl. @Harvard '14, @Sydney_Uni '11. 🇦🇺 in SF.
Lulu Cheng Meservey
@lulumeservey
CREATORRostra founder, Shopify board, ex Activision & Substack, writing http://www.getflack.com
David Dohan
@dmdohan
RESEARCHERreducing perplexity @openai | past: probabilistic programs, proteins, science & reasoning @ google brain 🧠
Prafulla Dhariwal
@prafdhar
RESEARCHERTechnical fellow @OpenAI. Co-creator of GPT-4o, GPT-3, DALL-E 2, Jukebox, Glow, PPO. Previously @MIT '17
Joe Carlsmith
@jkcarlsmith
RESEARCHERPhilosophy, futurism, AI. Working on Claude's values @AnthropicAI. Formerly @coeff_giving. Opinions my own.
vitalik.eth
@VitalikButerin
FOUNDERI choose balance. First-level balance. mi pinxe lo crino tcati https://slatestarcodex.com/2018/09/12/in-the-balance/
sarah guo
@saranormous
INVESTORstartup investor/helper, founder @conviction. accelerating AI adoption, interested in progress. tech podcast: @nopriorspod
Jakob Foerster
@j_foerst
RESEARCHERAssociate Prof in ML @UniofOxford. Something Something Research Scientist @MetaAI. Something @FLAIR_Ox. Always #teamhuman. Opinions belong to the world.
Kevin Weil 🇺🇸
@kevinweil
EXECUTIVEVP Science @OpenAI, BoD @Cisco @nature_org, LTC @USArmyReserve Ex: Pres @Planet, Head of Product @Instagram @Twitter ❤️ @elizabeth ultramarathons kids cats math
Maithra Raghu
@maithra_raghu
EXECUTIVECofounder and CEO @Samaya_AI. Formerly Research Scientist Google Brain (@GoogleAI), PhD in ML @Cornell.
Karina Nguyen
@karinanguyen
RESEARCHERbuilding a new ai co @thoughtfullab_ (hiring!), prev. AI research & product @OpenAI, @AnthropicAI, @maisonagi (side proj)
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.
Shivon Zilis
@shivon
EXECUTIVEArtificial intelligence, biological intelligence, and whatever exists in between and beyond. Made in Canada.
will depue
@willdepue
RESEARCHERretired ex @openai (posttraining o3/4o, sora 1 & 2, pretraining moonshots)
kipply
@kipperrii
ENGINEER"uncanny ability to be mentioned in every slack thread about code that's mysteriously breaking" - claude
Douglas Eck
@douglas_eck
RESEARCHERGoogle DeepMind lead and recovering faculty member. Sometimes a musician. http://g.co/magenta. My personal opinions.
Geoffrey Irving
@geoffreyirving
RESEARCHERChief Scientist at the UK AI Security Institute (AISI). Previously DeepMind, OpenAI, Google Brain, etc.
Azalia Mirhoseini
@Azaliamirh
RESEARCHERFounder @RicursiveAI, Asst. Prof. of CS at Stanford. Prev: DeepMind, Anthropic, Brain. Co-Creator of MoEs, AlphaChip, Test Time Scaling Laws.
Hyung Won Chung
@hwchung27
RESEARCHERAI Research Scientist @Meta Superintelligence Labs. Past: @OpenAI / @Google Brain / PhD @MIT
Scott Gray
@scottgray76
ENGINEERGPU Geek at @OpenAI. I have a long standing interest in neuroscience and its application to machine learning. He/Him.
Ezra Klein
@ezraklein
CREATORColumnist, @NYTOpinion Author, "Why We're Polarized" Host of "The Ezra Klein Show" podcast
Animesh Garg
@animesh_garg
RESEARCHERFoundation Models for Generalizable Autonomy in Robotics. Reinforcement Learning. Faculty in AI Robotics @GeorgiaTech. Prev @nvidia @UCberkeley @stanford
Devon ☀️
@devonzuegel
EXECUTIVEI've gone to look for myself. If I return before I get back, please ask me to wait. Prev @GitHub @NotionHQ @Affirm @StanfordReview. Now building @Esmeralda_Inst
Patrick McKenzie
@patio11
CREATORI work for the Internet and am an advisor to @stripe. These are my personal opinions unless otherwise noted.
Rohan Pandey
@khoomeik
RESEARCHERdescending cross-entropy to ascend entropy @PeriodicLabs || prev research @OpenAI @CarnegieMellon '23
Tom Brown
@nottombrown
FOUNDERCo-founder @AnthropicAI. Compute wrangler. Author of GPT-3. Cautiously optimistic.
Alexander Wei
@alexwei_
RESEARCHERReasoning @OpenAI. Co-built CICERO @MetaAI | @Berkeley_AI PhD '23 | @Harvard '20
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
Chris Anderson
@TEDchris
EXECUTIVEHead of TED. Dreamer. Most days an optimist. TED = free talks on the web in Technology, Entertainment, Design & ideas worth spreading. http://infectiousgenerosity.org
andy jones
@andy_l_jones
RESEARCHERengineering & research at anthropic. i don't check twitter DMs. email me!
Ofir Nachum
@ofirnachum
RESEARCHERResearch at @OpenAI. Previously at @GoogleAI on the Brain Team. Doing work on #ReinforcementLearning and #MachineLearning
Dawn Song
@dawnsongtweets
RESEARCHERProfessor in Computer Science at UC Berkeley, co-Director of Berkeley RDI Center; Building safe, secure, decentralized AI; Serial entrepreneur
Max Roser
@MaxCRoser
RESEARCHERData to understand global problems and research to make progress against them. Founder of @OurWorldInData / Professor at @UniofOxford's @BlavatnikSchool
Rob Wiblin
@robertwiblin
CREATORHost of the 80,000 Hours Podcast. Exploring the inviolate sphere of ideas one interview at a time: http://80000hours.org/podcast/
Jason Yosinski
@jasonyo
RESEARCHERRunning experiments @OpenAI + @ml_collective. Prev: @Windscape_AI, Uber AI Labs founding team, adviser @RecursionPharma, Cornell, Montreal, Caltech 🌻
Hattie Zhou
@oh_that_hat
RESEARCHERI want to understand things deeply and explain them well. Building friendly AI @AnthropicAI Give me anonymous feedback: https://www.admonymous.co/hattiezhou
Brian Armstrong
@brian_armstrong
FOUNDERCo-founder & CEO at @Coinbase. Creating more economic freedom in the world. ENS: barmstrong.eth Co-founder @researchhub @newlimit
Jacob Austin
@jacobaustin132
RESEARCHERI sometimes do AI research. I also play piano and climb. NYC. Previously @GoogleDeepMind, @Google Brain. Opinions my own
Alex Tamkin
@AlexTamkin
RESEARCHERmachine learning, science & society @AnthropicAI | recently: Clio, Anthropic Economic Index, Claude Artifacts | prev: phd @StanfordAILab, @stanfordnlp
Erin Grant @ ICLR 2026
@ermgrant
RESEARCHERAssistant Professor / Faculty Fellow @NYUDataScience studying cognition in mind & brain with neural nets, Bayes, other tools | http://bsky.app/profile/eringrant.me
Yo Shavit
@yonashav
POLICYpolicy for v smart things @openai. Past: CS PhD @HarvardSEAS/@SchmidtFutures/@MIT_CSAIL. Tweets my own; on my head be it.
Markus Wulfmeier
@m_wulfmeier
RESEARCHERChief Scientist #Nomagic - Prev. AI & Robotics @GoogleDeepMind @oxfordrobots @berkeley_ai @ETH @MIT - European @ELLISforEurope
Irina Rish
@irinarish
RESEARCHERprof UdeM/Mila; Canada Excellence Research Chair; AAI Lab head http://www.irina-lab.ai; CSO @ http://42.com; advisor @ http://Nolano.ai
George Tucker
@georgejtucker
RESEARCHERResearcher at Google Brain, thinking about RL and sequence models
Matt Shumer
@mattshumer_
INVESTORInvestor in @GroqInc @Etched @Rork @DaytonaIO @OpenRouter + more. Prev: CEO @HyperWriteAI, @OthersideAI Try: http://agent-s.app Press: mattshumermedia@gmail.com
Volodymyr Kuleshov 🇺🇦
@volokuleshov
RESEARCHERCo-Founder & Chief Scientist @_inception_ai | Prof @Cornell & @Cornell_Tech | PhD @Stanford
Robert Nishihara
@robertnishihara
FOUNDERCo-founder @anyscalecompute. Co-creator of @raydistributed. Previously PhD ML at Berkeley.
jasmine collins
@jazco
RESEARCHERresearch scientist @databricks! previously @berkeley_ai phd, @googleai and @metaai. interested in human brains and computer brains 💫
Andy Matuschak
@andy_matuschak
RESEARCHERMore wonder, more insight, more expression, more joy! R&D on tools for thought, with a focus on memory, reading, and attention. Currently working on @pico.
Moustapha Cisse
@Moustapha_6C
RESEARCHERFather. Scientist. Entrepreneur. ex @GoogleAI, ex @metaAI. Founder and Director of the African Master of Machine Intelligence at AIMS.
Russell Kaplan
@russelljkaplan
FOUNDERPresident @cognition. Past: director of engineering @Scale_AI, startup founder, ML scientist @Tesla Autopilot, researcher @StanfordSVL.
Roberta Raileanu
@robertarail
RESEARCHEROpen-Ended Team Lead and Senior Staff Research Scientist @GoogleDeepMind. Honorary Lecturer @UCL. ex @Meta | @NYU | @Princeton.
Lisha
@lishali88
FOUNDERBuilding 🌹 @rosebud_ai. Make games. PhD math/AI Berkeley I talk about physics on Tiktok http://www.tiktok.com/@lishali_88 👼 Angel investor: https://lishali.com
Julian Togelius
@togelius
RESEARCHERResearcher. AI, games, markets, open-endedness, evolution. Professor @nyuniversity @NYUGameLab Head of AI @the_nof1 Co-founded @modl_ai Rogueliker.
Austen Allred
@Austen
FOUNDERFounder http://GauntletAI.com: Free AI training for the smartest engineers. Will tweet as I wish and suffer the consequences. Accelerando: @kellyclaudeai
Derek Thompson
@DKThomp
CREATORSign up for my new newsletter! (Link below) Also: Co-author of Abundance, host of Plain English, and contributing writer at The Atlantic.
Michael Chang
@mmmbchang
RESEARCHERAmplify human creativity with Sora @openai Prev: Gemini and Project Astra @GoogleDeepMind, @LangChainAI, @MetaAI, @SchmidhuberAI PhD @berkeley_ai BS @MIT
Daniel Ek
@eldsjal
FOUNDERFather, Principal @ PM - Trying to build things that matter | Founder of Spotify and Neko Health
Konstantinos Bousmalis
@bousmalis
RESEARCHERResearch Scientist at DeepMind, working on robotic learning
Tristan Hume
@trishume
ENGINEERPerformance optimization lead @AnthropicAI. Profiling, distributed systems, dev tools, interpretability. tristan@thume.ca
Nadia Asparouhova
@nayafia
CREATORcloudcat // new book about ideas that don’t spread: https://darkforest.metalabel.com/antimemetics
José Luis Ricón Fernández de la Puente
@ArtirKel
RESEARCHERHead of Theory at @RetroBio_ , enjoyer of things, blog: http://nintil.com
Danielle Belgrave
@DaniCMBelg
RESEARCHERVP of AI/ML @GSK. Curious about using AI to make the world a better place. Views my own.
Dan Wang
@danwwang
CREATORThe secure transport of light; Breakneck; industrial research at the Hoover History Lab
Steven Adler
@sjgadler
RESEARCHERAI safety researcher (ex-OpenAI: danger evals, AGI readiness, etc), writing at https://clear-eyed.ai
uncatherio
@uncatherio
RESEARCHERwholesomeness practitioner; user of words my more "work" account is @catherineols
Keerthana Gopalakrishnan
@keerthanpg
RESEARCHERResearch Lead Gemini Robotics @GoogleDeepmind. Author of "AI for Robotics" book. Opinions my own.
Matt Clifford
@matthewclifford
FOUNDERCo-founder @join_ef; Chair @ARIA_Research; Make Britain Rich Again.
Neal Khosla
@nealkhosla
FOUNDERI judge myself on what my 8 and 80 year old selves would think. CEO of @CuraiHQ - making healthcare available and affordable to everyone
Michael Levin
@drmichaellevin
RESEARCHERScientist at Tufts University; my lab studies anatomical and behavioral decision-making at multiple scales of biological, artificial, and hybrid systems.
Philip E. Tetlock
@PTetlock
RESEARCHERPenn-Integrates-Knowledge (PIK) Professor, Wharton & School of Arts & Sciences. Likes = interesting; Retweets = very interesting; Interesting ≠ endorsement
Jacob Jackson
@jbfja
FOUNDER@cursor_ai, created https://same.energy, started @SupermavenAI and @Tabnine, formerly @OpenAI
Ishaan Gulrajani
@__ishaan
RESEARCHERHi! I’m a machine learning researcher @openai. Previously @stanford @facebook @google @mila_quebec
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.
Trung Phan
@TrungTPhan
CREATORWrite on business with @workweekinc. Building a privacy-first AI research app @bearlyai.
Stephanie Zhan
@stephzhan
INVESTORGP @Sequoia, investing in AI, from company formation. 1st partner to @linear @mach_industries @middeskhq @reflection_ai @ricursiveai @skildai @tavus
Samuel Hammond 🦉
@hamandcheese
POLICYChief economist + AI Policy Director, @joinFAI. Nonresident fellow @NiskanenCenter. Pluralist. 'The world is second best, at best.' | samuel@thefai.org
Ben Hamner
@benhamner
FOUNDERSumble co-founder and CTO. Learning high-quality, structured data about the world. Formerly @kaggle
Stephan Hoyer
@shoyer
ENGINEERAI for science at @PeriodicLabs. Formerly, building AI climate models at Google. I also contribute to the scientific Python ecosystem (Xarray, NumPy, JAX).
David Sinclair
@davidasinclair
RESEARCHERProfessor researching why we age & how to reverse it. Author & host of Lifespan. Mission: Extend healthy life for all. Views are entirely his own. @joinlifespan
Justin Kan
@justinkan
FOUNDERFrom the bottom to the top & back again. Co-founded @twitch, now working on making videos, http://goat.vc https://stash.gg/ @rye
Crémieux
@cremieuxrecueil
CREATORI write about genetics, 'metrics, and demographics. Read my long-form writing at http://www.cremieux.xyz.
delian
@zebulgar
INVESTORspace drugs and arms @vardaspace | village idiot/partner @foundersfund | porthos @hillvalleyforum
Thariq
@trq212
ENGINEERClaude Code @anthropicai. prev YC W20, mit media lab. towards machines of loving grace
David Marcus
@davidmarcus
EXECUTIVECEO & co-founder @Lightspark ➡️ building the open Money Grid on Bitcoin + @spark. Ran Payments/Crypto & @Messenger at @Meta, led @PayPal + 3 startups.
Jarred Sumner
@jarredsumner
FOUNDERbuilding @bunjavascript at @anthropicai. formerly: @stripe (twice) @thielfellowship. high school dropout. npm i -g bun
Dan Shipper 📧
@danshipper
CREATORceo @every | the only subscription you need to stay at the edge of AI
David Shor
@davidshor
POLICYHead of Data Science at Blue Rose Research, based in NYC, originally from Miami. I try to elect Democrats. Views are my own. he/him🌹
Flo Crivello
@Altimor
FOUNDERFounder @getlindy. "Striving to remember the obvious over grasping the esoteric."
andrew gao
@itsandrewgao
ENGINEER@cognition @stanford; prev @sequoia @LangChain @pika_labs; Z Fellow 🇺🇸; views my own
Charlie Marsh
@charliermarsh
FOUNDERBuilding @astral_sh: Ruff, uv, and other high-performance Python tools. Prev: Staff engineer @SpringDiscovery, @KhanAcademy, BSE @PrincetonCS.
Saloni
@salonium
CREATORCo-founder & editor @WorksInProgMag. Writer, Scientific Discovery. Podcaster, Hard Drugs. Advisor, @coeff_giving. // Prev @OurWorldInData. 🏳️🌈
Dr Anton Howes
@antonhowes
CREATORInvention historian. I write *Age of Invention*, an email newsletter on the history of invention and economic history.
Vedant Misra
@vedantmisra
RESEARCHERASI @DeepMind | @OpenAI (Reasoning / Algorithms Lead) | @HubSpot (ML Labs) | Founder/CEO Kemvi (acq HubSpot) | Physics @Columbia | Husband and Dad
Saffron Huang
@saffronhuang
RESEARCHERhow shall we live together? societal impacts researcher @AnthropicAI • ex @GoogleDeepMind @AISecurityInst⋅ @collect_intel co-founder • views mine
Silvana Konermann
@SKonermann
RESEARCHERCofounder @arcinstitute and Assistant Professor @Stanford. HHMI Hanna Gray Fellow. CRISPR, RNA and Alzheimer’s via @salkinstitute, @MIT and @eth
Matjaž Leonardis
@MatjazLeonardis
RESEARCHERInterested in learning and creativity. In both humans and machines. (Tweets about education, relationships, institutions, math and computation).
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
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
Roy Frostig
@froystig
RESEARCHERresearch scientist at @googledeepmind. co-author of JAX (https://github.com/jax-ml/jax)