BIO
space industrialist, founder/ceo @besxarfoundry 🚀 🏗️
Sam Altman
@sama
AI is cool i guess
Mira Murati
@miramurati
Now building @thinkymachines. Previously CTO @OpenAI
Alec Radford
@AlecRad
Wojciech Zaremba
@woj_zaremba
AI resilience at OpenAI Foundation Co-Founder of OpenAI https://woj.world
Mark Chen
@markchen90
Chief Research Officer at @OpenAI. Coach for the USA IOI Team.
Luke Metz
@Luke_Metz
OpenAI Previously: Thinking Machines, Google Brain
Amanda Askell
@AmandaAskell
Philosopher & ethicist trying to make AI be good @AnthropicAI. Personal account. All opinions come from my training data.
Joshua Achiam
@jachiam0
Freedom, flourishing, and abundance. Chief Futurist @openai. Main author of http://spinningup.openai.com
Igor Babuschkin
@ibab
Prev co-founder @xAI, Research & Engineering
Smerity
@Smerity
ML x society. Founding Member of Technical Staff at Project Prometheus. Prev @midjourney, @SFResearch, @CommonCrawl. @Harvard '14, @Sydney_Uni '11. 🇦🇺 in SF.
Catherine Olsson
@catherineols
Hanging out with Claude, improving its behavior, and building tools to support that @AnthropicAI 😁 prev: @open_phil @googlebrain @openai (@microcovid)
Bob McGrew
@bobmcgrewai
Learning new things. Former Chief Research Officer at OpenAI, early exec at Palantir, early employee at Paypal.
Prafulla Dhariwal
@prafdhar
Technical fellow @OpenAI. Co-creator of GPT-4o, GPT-3, DALL-E 2, Jukebox, Glow, PPO. Previously @MIT '17
David Luan
@jluan
retired!! former cofounder of @adeptailabs, vp engineering @openai and @amazon, and @google LLMs lead. all about type II fun.
Peter Welinder
@npew
Devices @OpenAI
Tom Brown
@NotTomBrown
Co-founder and Chief Compute Officer @AnthropicAI
Helen Toner
@hlntnr
AI, national security, China. Part of the founding team at @CSETGeorgetown (opinions my own). Author of Rising Tide on substack: http://helentoner.substack.com
Feryal
@FeryalMP
Staff Research Scientist @DeepMind, Self-improvement in Gemini ♊️
Roberta Raileanu
@robertarail
Open-Ended Team Lead and Senior Staff Research Scientist @GoogleDeepMind. Honorary Lecturer @UCL. ex @Meta | @NYU | @Princeton.
Ryan Lowe 🥞
@ryan_t_lowe
full-stack alignment 🥞 @meaningaligned prev: InstructGPT @OpenAI
Chelsea Sierra Voss
@csvoss
engineeress ✨ Member of Technical Staff @openai // board $QCLS // past @pilothq, @sendwaveapp, @khanacademy, CS/math @MIT, 2x IBO gold
Alexia Jolicoeur-Martineau
@jm_alexia
AI Researcher 🐱💻 2025 ARC Prize Winner I build generative AI for images, videos, text, tabular data, weights, molecules, and video games.
Shivon Zilis
@shivon
Artificial intelligence, biological intelligence, and whatever exists in between and beyond. Made in Canada.
Scott Gray
@scottgray76
GPU Geek at @OpenAI. I have a long standing interest in neuroscience and its application to machine learning. He/Him.
Josh Tobin
@josh_tobin_
automating scientific discovery @recursive_si
Christine McLeavey
@mcleavey
@openai audio team: gpt-4o, jukebox & musenet
Cade Metz
@CadeMetz
New York Times reporter, covering A.I., driverless cars, and other changes: cade.metz@nytimes.com. My book, "Genius Makers": http://bit.ly/GeniusMakers.
Jay Alammar
@JayAlammar
Machine Learning Researcher and writer http://newsletter.languagemodels.co. O'Reilly Author http://LLM-book.com. LLM Builder @Cohere.
Tao Xu
@txhf
Learning Machine at OpenAI
Evan Morikawa
@E0M
VPE @Generalistai. GP ZSF. Prev: led eng at @openai. Launched & scaled ChatGPT, & APIs. @OlinCollege alum.
Ariel Herbert-Voss
@adversariel
Founder @RunSybil. likes: offsec, LLMs, and dumb memes. prev: research scientist @OpenAI / CS PhD @Harvard / @defcon AI Village
Michela Paganini
@WonderMicky
Staff Research Scientist @DeepMind | LLMs, Evals & Model Understanding | Previously: @facebookAI | @Yale Physics PhD | @CERN | @BerkeleyLab | @UCBerkeley
Danfei Xu
@danfei_xu
Faculty at Georgia Tech @ICatGT, Human Data for GR00T @nvidia | I like robots | all opinions are my own
Brad Lightcap
@bradlightcap
@OpenAI
Jimmy Apples 🍎/acc
@apples_jimmy
Wagmi. 2025. As featured in Bloomberg. As quoted by Nobel Prize winner Demis Hassabis. As mentioned on the Lex Fridman Podcast💺
anton 🇺🇸
@atroyn
http://troynikov.io | founder @trychroma
Matt Shumer
@mattshumer_
Investor in @GroqInc @Etched @Rork @DaytonaIO @OpenRouter + more. Prev: CEO @HyperWriteAI, @OthersideAI Try: http://agent-s.app Press: mattshumermedia@gmail.com
Chris Donahue
@chrisdonahuey
GenAI for *human* creativity in music + more. Assistant prof at CMU CSD, 🎼 G-CLef lab. Part time Google DeepMind, Magenta (views my own)
Jasmine Wang
@j_asminewang
alignment @OpenAI. formerly @ UK AISI. opinions mine!
Jong Wook Kim 💟
@_jongwook_kim
Member of Technical Staff @OpenAI; previously at @nyuMARL, @SpotifyResearch, @pandoramusic, @kakaocorpglobal, and @NCSOFT
Toby Shevlane
@tshevl
@_Mantic_AI cofounder & CEO, on a mission to solve forecasting. Prev: research scientist @GoogleDeepMind, PhD at @UniofOxford.
Allen Nie (🇺🇦☮️)
@allenainie
Gemini training @GoogleDeepMind. Working on RL. Co-creator of Trace. Prev: RL PhD @StanfordAILab, @MSFTResearch, @DeepMind, @AWS Neuron
Daniela Amodei
@DanielaAmodei
President @AnthropicAI. Formerly @OpenAI, @Stripe, congressional staffer, global development
Divy Thakkar
@divy93t
Gemini @GoogleDeepMind, advancing human-centered llms. Ph.D @CityStGeorges . Personal views.
Kevin Scott
@kevin_scott
Chief Technology Officer @Microsoft; Host of #BehindTheTech podcast http://aka.ms/AA9tss9; Author of "Reprogramming the American Dream"
Steven Adler
@sjgadler
Co-founder of Guidelight AI Standards (http://guidelight.ai), ex-OpenAI safety researcher, writing at https://clear-eyed.ai
Nikhil Thorat
@nsthorat
research tools @anthropicai. prev: genai evals @ databricks, cofounder @lilac_ai (acq by @databricks). cocreated tensorflowjs + know your data @ google brain
Vedant Misra
@vedantmisra
ASI @DeepMind | @OpenAI (Reasoning / Algorithms Lead) | @HubSpot (ML Labs) | Founder/CEO Kemvi (acq HubSpot) | Physics @Columbia | Husband and Dad
Haydn Belfield
@HaydnBelfield
Research Scientist (Frontier Planning) at @GoogleDeepMind. Research Affiliate @Cambridge_Uni @CSERCambridge & @LeverhulmeCFI. All views my own.
Danny Hernandez
@Hernandez_Danny
Measuring and forecasting AI progress @AnthropicAI.
