Mira Murati
@miramurati
Now building @thinkymachines. Previously CTO @OpenAI
Wojciech Zaremba
@woj_zaremba
AI SAFETYAI resilience at OpenAI Foundation Co-Founder of OpenAI https://woj.world
Amanda Askell
@AmandaAskell
AI SAFETYPhilosopher & ethicist trying to make AI be good @AnthropicAI. Personal account. All opinions come from my training data.
Joshua Achiam
@jachiam0
AI SAFETYFreedom, flourishing, and abundance. Chief Futurist @openai. Main author of http://spinningup.openai.com
Catherine Olsson
@catherineols
RESEARCH ENGINEERHanging out with Claude, improving its behavior, and building tools to support that @AnthropicAI 😁 prev: @open_phil @googlebrain @openai (@microcovid)
Smerity
@Smerity
RESEARCH ENGINEERML x society. Founding Member of Technical Staff at Project Prometheus. Prev @midjourney, @SFResearch, @CommonCrawl. @Harvard '14, @Sydney_Uni '11. 🇦🇺 in SF.
Bob McGrew
@bobmcgrewai
RESEARCH ENGINEERLearning new things. Former Chief Research Officer at OpenAI, early exec at Palantir, early employee at Paypal.
Prafulla Dhariwal
@prafdhar
RESEARCH ENGINEERTechnical fellow @OpenAI. Co-creator of GPT-4o, GPT-3, DALL-E 2, Jukebox, Glow, PPO. Previously @MIT '17
David Luan
@jluan
RESEARCH ENGINEERretired!! former cofounder of @adeptailabs, vp engineering @openai and @amazon, and @google LLMs lead. all about type II fun.
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
Roberta Raileanu
@robertarail
RESEARCHEROpen-Ended Team Lead and Senior Staff Research Scientist @GoogleDeepMind. Honorary Lecturer @UCL. ex @Meta | @NYU | @Princeton.
Chelsea Sierra Voss
@csvoss
RESEARCH ENGINEERengineeress ✨ Member of Technical Staff @openai // board $QCLS // past @pilothq, @sendwaveapp, @khanacademy, CS/math @MIT, 2x IBO gold
Shivon Zilis
@shivon
EXECUTIVEArtificial intelligence, biological intelligence, and whatever exists in between and beyond. Made in Canada.
Alexia Jolicoeur-Martineau
@jm_alexia
RESEARCHERAI Researcher 🐱💻 2025 ARC Prize Winner I build generative AI for images, videos, text, tabular data, weights, molecules, and video games.
Scott Gray
@scottgray76
RESEARCH ENGINEERGPU Geek at @OpenAI. I have a long standing interest in neuroscience and its application to machine learning. He/Him.
Cade Metz
@CadeMetz
CREATORNew 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
CREATORMachine Learning Researcher and writer http://newsletter.languagemodels.co. O'Reilly Author http://LLM-book.com. LLM Builder @Cohere.
Evan Morikawa
@E0M
RESEARCH ENGINEER🤖 @Generalistai. Prev: led eng at @openai. Launched & scaled ChatGPT, GPT-4, DALL·E, APIs. Dir Eng @Nylas, Co-Founder @Proximate, @OlinCollege alum.
Ariel Herbert-Voss
@adversariel
FOUNDERFounder @RunSybil. likes: offsec, LLMs, and dumb memes. prev: research scientist @OpenAI / CS PhD @Harvard / @defcon AI Village
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💺
Michela Paganini
@WonderMicky
RESEARCHERStaff Research Scientist @DeepMind | LLMs, Evals & Model Understanding | Previously: @facebookAI | @Yale Physics PhD | @CERN | @BerkeleyLab | @UCBerkeley
Matt Shumer
@mattshumer_
INVESTORInvestor in @GroqInc @Etched @Rork @DaytonaIO @OpenRouter + more. Prev: CEO @HyperWriteAI, @OthersideAI Try: http://agent-s.app Press: mattshumermedia@gmail.com
Danfei Xu
@danfei_xu
ACADEMICFaculty at Georgia Tech @ICatGT, Human Data for GR00T @nvidia | I like robots | all opinions are my own
Toby Shevlane
@tshevl
FOUNDER@_Mantic_AI cofounder & CEO, on a mission to solve forecasting. Prev: research scientist @GoogleDeepMind, PhD at @UniofOxford.
Chris Donahue
@chrisdonahuey
ACADEMICGenAI for *human* creativity in music + more. Assistant prof at CMU CSD, 🎼 G-CLef lab. Part time Google DeepMind, Magenta (views my own)
Jong Wook Kim 💟
@_jongwook_kim
RESEARCH ENGINEERMember of Technical Staff @OpenAI; previously at @nyuMARL, @SpotifyResearch, @pandoramusic, @kakaocorpglobal, and @NCSOFT
Daniela Amodei
@DanielaAmodei
FOUNDERPresident @AnthropicAI. Formerly @OpenAI, @Stripe, congressional staffer, global development
Kevin Scott
@kevin_scott
EXECUTIVEChief Technology Officer @Microsoft; Host of #BehindTheTech podcast http://aka.ms/AA9tss9; Author of "Reprogramming the American Dream"
Nikhil Thorat
@nsthorat
RESEARCH ENGINEERresearch tools @anthropicai. prev: genai evals @ databricks, cofounder @lilac_ai (acq by @databricks). cocreated tensorflowjs + know your data @ google brain
Steven Adler
@sjgadler
AI SAFETYAI safety researcher (ex-OpenAI: danger evals, AGI readiness, etc), writing at https://clear-eyed.ai
Divy Thakkar
@divy93t
RESEARCHERGemini @GoogleDeepMind, advancing human-centered llms. Ph.D @CityStGeorges . Personal views.
Allen Nie (🇺🇦☮️)
@allenainie
RESEARCH ENGINEERGemini training @GoogleDeepMind. Working on RL. Co-creator of Trace. Prev: RL PhD @StanfordAILab, @MSFTResearch, @DeepMind, @AWS Neuron
Ben Hamner
@benhamner
FOUNDERSumble co-founder and CTO. Learning high-quality, structured data about the world. Formerly @kaggle
Haydn Belfield
@HaydnBelfield
AI SAFETYResearch Scientist (Frontier Planning) at @GoogleDeepMind. Research Affiliate @Cambridge_Uni @CSERCambridge & @LeverhulmeCFI. All views my own.