John Schulman
@johnschulman2
Recently started @thinkymachines. Interested in reinforcement learning, alignment, birds, jazz music
Barret Zoph
@barret_zoph
RESEARCH ENGINEER@openai Past: - CTO & Co-Founder Thinking Machines Lab (@thinkymachines) - VP Research (Post-Training) @openai - Research Scientist at Google Brain
Tengyu Ma
@tengyuma
ACADEMICAssistant prof. @ Stanford; Chief AI Scientist @ MongoDB; Former Co-founder/CEO of Voyage AI Working on ML, DL, RL, LLMs, and their theory.
Joshua Achiam
@jachiam0
AI SAFETYFreedom, flourishing, and abundance. Chief Futurist @openai. Main author of http://spinningup.openai.com
Jerry Tworek
@MillionInt
RESEARCH ENGINEERCEO and co-founder of Core Automation former VP of RL @ OpenAI : reasoning models, o3, o1, GPT4, ChatGPT, Codex, RL for robots cautious AI optimist
Rowan Zellers
@rown
RESEARCH ENGINEERmultimodal @thinkymachines. I also like to climb rocks and throw pottery. http://rowanzellers.com (he/him)
sarah guo
@saranormous
INVESTORstartup investor/helper, founder @conviction. accelerating AI adoption, interested in progress. tech podcast: @nopriorspod
Bob McGrew
@bobmcgrewai
RESEARCH ENGINEERLearning new things. Former Chief Research Officer at OpenAI, early exec at Palantir, early employee at Paypal.
Joanne Jang
@joannejang
FOUNDERtrying to automate myself @coreautoai // prev: model behavior & labs @openai
will depue
@willdepue
RESEARCH ENGINEERretired ex @openai (sora 1 & 2, posttraining o3/4o, pretraining moonshots)
Andrew Carr 🤸
@andrew_n_carr
RESEARCH ENGINEERco-founder leading science @getcartwheel co-founder advisor @arcade_ai Past: Codex @OpenAI, Brain @GoogleAI, world ranked Tetris player
Irwan Bello
@IrwanBello
RESEARCH ENGINEERSupercomputers & Friends, AI & Science. Founding team & Research Lead at @reflection_ai. Past: @OpenAI, Founding team @character_ai, Google Brain
Chelsea Sierra Voss
@csvoss
RESEARCH ENGINEERengineeress ✨ Member of Technical Staff @openai // board $QCLS // past @pilothq, @sendwaveapp, @khanacademy, CS/math @MIT, 2x IBO gold
Scott Gray
@scottgray76
RESEARCH ENGINEERGPU Geek at @OpenAI. I have a long standing interest in neuroscience and its application to machine learning. He/Him.
Kenneth Stanley
@kenneth0stanley
RESEARCHERSVP of Open-Endedness @LilaSciences. Prev: Maven CEO, Lead@OpenAI, Uber AI, prof@UCF. NEAT,HyperNEAT,novelty search, POET. Book:Why Greatness Cannot Be Planned
Arvind Neelakantan
@arvind_io
RESEARCHERResearch Scientist, @GoogleDeepMind Past: @AIatMeta , @OpenAI, @Google Brain PhD @UMassAmherst
Alex Nichol
@unixpickle
RESEARCH ENGINEERCode, AI, and 3D printing. Opinions are mostly my own, sometimes a computer's. Husband of @thesamnichol. Co-creator of DALL-E 2. Researcher @openai.
Ilya Kostrikov
@ikostrikov
RESEARCH ENGINEERPre-Training Researcher @OpenAI, previously: RL/post-training @OpenAI, Postdoc at UC Berkeley @berkeley_ai, Researcher at Google Brain, PhD in CS @CILVRatNYU
Brandon McKinzie
@mckbrando
RESEARCHERresearch @OpenAI | prev: multimodal @Apple, physics/cs @UCBerkeley
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💺
Gretchen Krueger
@GretchenMarina
AI SAFETYOver at Bluesky. Researcher affiliated w @BKCHarvard, Volunteer @evitable. Previously @openai @ainowinstitute. Views mine. #justdontbuildagi #talktomenotchatgpt
Caitlin Kalinowski
@kalinowski007
EXECUTIVEBuilder-strategist in physical AI. Boards: Axon, Institute of Contemporary Art SF.