Kai

John Schulman

@johnschulman2

Recently started @thinkymachines. Interested in reinforcement learning, alignment, birds, jazz music

Soumith Chintala

@soumithchintala

Building new things @thinkymachines. Also dabble in robotics at NYU. Cofounded @PyTorch. AI is delicious when it is accessible and open-source.

Noam Brown

@polynoamial

Researching reasoning @OpenAI | Co-created Libratus/Pluribus superhuman poker AIs, CICERO Diplomacy AI, and OpenAI o3 / o1 / 🍓 reasoning models

Eric Jang

@ericjang11

Sebastien Bubeck

@SebastienBubeck

I work on AI at OpenAI. Former VP AI and Distinguished Scientist at Microsoft.

Barret Zoph

@barret_zoph

@openai Past: - CTO & Co-Founder Thinking Machines Lab (@thinkymachines) - VP Research (Post-Training) @openai - Research Scientist at Google Brain

Jason Wei

@_jasonwei

ai researcher @meta superintelligence labs, past: openai, google 🧠

Shane Gu

@shaneguML

Gemini/Veo Thinking, Senior Staff AE @GoogleDeepMind. 🇯🇵-born 🇨🇳🇨🇦. ex: Gemini 1.5-3, GPT-4 @OpenAI, Google Robotics (JP: @shanegJP). Personal opinions.

Jerry Tworek

@MillionInt

CEO and co-founder of Core Automation former VP of RL @ OpenAI : reasoning models, o3, o1, GPT4, ChatGPT, Codex, RL for robots cautious AI optimist

Joshua Achiam

@jachiam0

Freedom, flourishing, and abundance. Chief Futurist @openai. Main author of http://spinningup.openai.com

Luke Metz

@Luke_Metz

OpenAI Previously: Thinking Machines, Google Brain

Jack Rae

@jack_w_rae

Distinguished Scientist @ Meta LLMs (e.g. Gopher, Chinchilla, Gemini, Muse) Compression & RL ☯️ Past: Google, OpenAI, Quora

Jason Kwon

@jasonkwon

CSO @openai

Zico Kolter

@zicokolter

Professor and Head of Machine Learning Department at @CarnegieMellon. Board member @OpenAI and @Qualcomm. Chief Scientist @GraySwanAI.

Dumitru Erhan

@doomie

Co-lead of Veo @GoogleDeepMind. Senior Research Director.

Bob McGrew

@bobmcgrewai

Learning new things. Former Chief Research Officer at OpenAI, early exec at Palantir, early employee at Paypal.

Aidan Clark

@_aidan_clark_

Qualitative Mathematics @OpenAI Ex: @DeepMind Hae sententiae verbaque mihi soli sunt

Sholto Douglas

@_sholtodouglas

Scaling RL @AnthropicAI, ex @DeepMind - working towards intelligence too cheap to meter

Matthew Johnson

@SingularMattrix

Researcher at Google Brain. I work on JAX (https://github.com/google/jax).

Boaz Barak

@boazbaraktcs

Computer Scientist. See also http://windowsontheory.org . @harvard @openai opinions my own.

Leopold Aschenbrenner

@leopoldasch

http://situational-awareness.ai

Chelsea Sierra Voss

@csvoss

engineeress ✨ Member of Technical Staff @openai // serious play // past @pilothq, @sendwaveapp, @khanacademy, CS/math @MIT, 2x IBO gold

Joanne Jang

@joannejang

trying to automate myself @coreautoai // prev: model behavior & labs @openai

David Dohan

@dmdohan

reducing perplexity @openai | past: probabilistic programs, proteins, science & reasoning @ google brain 🧠

Tengyu Ma

@tengyuma

Assistant professor at Stanford; Co-founder of Voyage AI (http://voyageai.com) ; Working on ML, DL, RL, LLMs, and their theory.

Jakob Foerster

@j_foerst

Associate Prof in ML @UniofOxford. Something Something Research Scientist @MetaAI. Something @FLAIR_Ox. Always #teamhuman. Opinions belong to the world.

Karina

@karinanguyen

building @thoughtfullab, prev. AI research & product @OpenAI, @AnthropicAI, @maisonagi (side proj)

Peter Welinder

@npew

VP and GM @OpenAI

Leo Gao

@nabla_theta

working on AGI alignment. prev: GPT-Neo, the Pile, LM evals, RL overoptimization, scaling SAEs to GPT-4, interp via circuit sparsity. EleutherAI cofounder.

David Luan

@jluan

retired!! former cofounder of @adeptailabs, vp engineering @openai and @amazon, and @google LLMs lead. all about type II fun.

Behnam Neyshabur

@bneyshabur

something new 💼 Past: Co-leading AI Scientist effort @AnthropicAI (Discovery team), Gemini @GoogleDeepMind (Co-led Blueshift team) 🎒Traveling & Backpacking

will depue

@willdepue

retired ex @openai (sora 1 & 2, posttraining o3/4o, pretraining moonshots)

Ethan Perez

@EthanJPerez

Large language model safety

Dylan Patel

@dylan522p

SemiAnalysis Boutique AI Infrastructure Research and Consulting DMs are open for consulting, quotes, or to talk shop, Opinions my own

rapha

@rapha_gl

making models programmable @ openai

Eric Wallace

@Eric_Wallace_

research @openai

augustus odena

@gstsdn

Something new. Previously: AI research at TBD Labs / Meta; cofounder at @AdeptAILabs; Invented Scratchpad / Chain-of-Thought; Google Brain

Boris Power

@BorisMPower

Head of Applied Research @OpenAI

Guillaume Lample @ NeurIPS 2024

@GuillaumeLample

Cofounder & Chief Scientist http://Mistral.ai (@MistralAI). Working on LLMs. Ex @MetaAI | PhD @Sorbonne_Univ_ | MSc @CarnegieMellon | X11 @Polytechnique

Mo Bavarian

@mobav0

Scaling up RL at OpenAI 🍓 Optimization and long context research before. Math PhD, MIT.

Gabriel Synnaeve

@syhw

Nerd & Dad. RL & CodeGen research since before it was cool.

Hyung Won Chung

@hwchung27

AI Research Scientist @Meta Superintelligence Labs. Past: @OpenAI / @Google Brain / PhD @MIT

Aidan McLaughlin

@aidan_mclau

research scientist @openai

Aidan Gomez

@aidangomez

@cohere

Tejal Patwardhan

@tejalpatwardhan

research @openai // pain is the moat

Hongyu Ren

@ren_hongyu

research @meta superintelligence. CS PhD @stanford. prev @openai.

Isa Fulford

@isafulf

research @openai

Michael Truell

@mntruell

@cursor_ai CEO

Sebastian Raschka

@rasbt

ML/AI research engineer. Ex stats professor. Author of "Build a Large Language Model From Scratch" (https://amzn.to/4fqvn0D) & reasoning (https://mng.bz/lZ5B)

Kevin Roose

@kevinroose

NYT tech columnist, Hard Fork co-host, high-perplexity language model. Writing a book about AGI.

Dylan Field

@zoink

eliminate the gap between imagination and reality

Theo Weber

@theophaneweber

Research scientist @ DeepMind; currently working on thinking/reasoning in Gemini.

Alexander Wei

@alexwei_

Reasoning @OpenAI. Co-built CICERO @MetaAI | @Berkeley_AI PhD '23 | @Harvard '20

Stephen Roller

@stephenroller

MoTS @thinkymachines. previously pre-training @googledeepmind, @character_ai, and @aiatmeta.

Christine McLeavey

@mcleavey

@openai audio team: gpt-4o, jukebox & musenet

Eric

@ericmitchellai

chatgpt posttraining @openai. building personal agi. I like ai and music and some other stuff

Yann Dubois

@yanndubs

Posttraining @OpenAI | PhD @StanfordAILab

Ted Sanders

@sandersted

Research at OpenAI. Be kind to others, and yourself.

Tao Xu

@txhf

Learning Machine at OpenAI

Stephen McAleer

@McaleerStephen

AI researcher at Anthropic

Caitlin Kalinowski

@kalinowski007

Builder-strategist in physical AI. Boards: Axon, Institute of Contemporary Art SF.

christina kim

@christinahkim

researcher @openai

Gabriel Goh

@gabeeegoooh

Images {1,1.5,2} Lead, among other things.

Johannes Heidecke

@JoHeidecke

Safety Systems @ OpenAI

Nick Frosst

@nickfrosst

cofounder @cohere - singer @goodkidband

Ilya Kostrikov

@ikostrikov

Pre-Training Researcher @OpenAI, previously: RL/post-training @OpenAI, Postdoc at UC Berkeley @berkeley_ai, Researcher at Google Brain, PhD in CS @CILVRatNYU

Evan Hubinger

@EvanHub

Alignment Stress-Testing lead @AnthropicAI. Opinions my own. Previously: MIRI, OpenAI, Google, Yelp, Ripple. (he/him/his)

Sherjil Ozair

@sherjilozair

co-founder @ project prometheus | founder @GeneralAgentsCo | previously autopilot @tesla, deep learning @googledeepmind, phd http://mila.quebec, cs @iitdelhi

rishi

@RishiBommasani

Societal/economic impacts of AI; AI policy & governance @StanfordHAI Stanford CS PhD w/ @percyliang @jurafsky Cornell CS undergrad w/ @clairecardie

Jiahui Yu

@jhyuxm

Lead Multimodal @Meta Superintelligence Lab. Previously led Perception @OpenAI; co-led Gemini Multimodal @GoogleDeepMind.

Nick Turley

@nickaturley

vp & head of @chatgptapp

Hattie Zhou

@oh_that_hat

I want to understand things deeply and explain them well. Building friendly AI @AnthropicAI Give me anonymous feedback: https://www.admonymous.co/hattiezhou

Kamalika Chaudhuri

@kamalikac

Director and Research Scientist, FAIR @ Meta. Former Professor at UCSD. Researcher in AI privacy, security, and generalization.

Sharif Shameem

@sharifshameem

playing with models @openai

Zhiqing Sun

@EdwardSun0909

Agents @Meta MSL TBD Lab. previously posttraining research @OpenAI train LLMs to do things: deep research, chatgpt agent, etc. CS PhD @LTIatCMU

Adam.GPT

@TheRealAdamG

Forward 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

Wagmi. 2025. As featured in Bloomberg. As quoted by Nobel Prize winner Demis Hassabis. As mentioned on the Lex Fridman Podcast💺

Brandon McKinzie

@mckbrando

research @OpenAI | prev: multimodal @Apple, physics/cs @UCBerkeley

Clive Chan

@itsclivetime

perplexity per picojoule @openai / formerly a car @tesla dojo

James Campbell

@jam3scampbell

post training @OpenAI

Shuchao Bi

@shuchaobi

Research at Meta Superintelligence Labs, RL/post-training/agents; Previously Research at OpenAI on multimodal and RL; Opinions are my own.

Andrew Carr 🤸

@andrew_n_carr

co-founder leading science @getcartwheel co-founder advisor @arcade_ai Past: Codex @OpenAI, Brain @GoogleAI, world ranked Tetris player

Erin Grant @ ICLR 2026

@ermgrant

Assistant Professor / Faculty Fellow @NYUDataScience studying cognition in mind & brain with neural nets, Bayes, other tools | http://bsky.app/profile/eringrant.me

heiner

@HeinrichKuttler

ex @xAI, @InflectionAI, @AIatMeta, @DeepMind, @Google, @LMU_Muenchen, PhD math-ph. Opinions my own. (Can be yours for a small fee.)

Ahmed El-Kishky

@ahelkky

Researcher at OpenAI

Alex Graveley

@alexgraveley

Co-creator Perplexity Computer, GitHub Copilot, Dropbox Paper. 2x CEO. Thruhiker. Survivor 🎗️

Dan Roberts

@danintheory

Scientist @OpenAI. Prev. co-founder @diffeo, acquired by @salesforce // co-authored The Principles of Deep Learning Theory // studied gravity.

Steven Heidel

@stevenheidel

API @OpenAI | 🏳️‍🌈 he/him

Corey Lynch

@coreylynch

Director of AI at @figure_robot, building Helix 🧬

Yash Patil

@ypatil125

Co-Founder, CEO @appliedcompute prev: @OpenAI, @Stanford

Alexander Kirillov

@_alex_kirillov_

Multimodality @thinkymachines. Previously: post-training MM lead @openai, research Scientist @facebookai Projects: GPT-4o, Advance Voice Mode, SegmentAnything.

Laurens van der Maaten

@lvdmaaten

Member of Technical Staff at Anthropic. Ex-Meta. t-SNE. Llama 3. DenseNet. Web-scale weakly supervised vision. CrypTen.

Jong Wook Kim 💟

@_jongwook_kim

Member of Technical Staff @OpenAI; previously at @nyuMARL, @SpotifyResearch, @pandoramusic, @kakaocorpglobal, and @NCSOFT

Alex Mordvintsev

@zzznah

Mad Scientist, DeepDream creator. Designing Self-Organising Systems and Programmable Artificial Life. http://youtube.com/zzznah

anton 🇺🇸

@atroyn

http://troynikov.io | founder @trychroma

Adrien Ecoffet

@AdrienLE

Trying to make AGI go well. Researcher at @openai. Views my own.

Lisha

@lishali88

Partner @a16z infra & AI. prev ceo @rosebud_ai angel in seed @fal @periodiclabs @sakana @ExaAILabs PhD @ucberkeley Math & AI

Angela Jiang

@jiangelaa

AI-maxxing @worktrace_ai 🩷 | Prev. Public Policy & Product @OpenAI, CS PhD @CarnegieMellon

Anjney Midha

@AnjneyMidha

founder @amppublic

Reiichiro Nakano

@reiinakano

i like building awesome things with awesome people 🇵🇭 🇯🇵

Ian Hogarth

@soundboy

investor at @pluralplatform, chair UK AI Security Institute, co-founder @songkick

Kevin Liu

@kliu128

Interested in ai, systems, progress, living a good life

Anirudh Goyal

@anirudhg9119

Thinking about thinking. Spent time at @Berkeley_EECS, @MPI_IS, @GoogleDeepMind Gemini ♊.

Ahmad Al-Dahle

@Ahmad_Al_Dahle

#Girldad of twins. CTO @ Airbnb, ex-Meta head of GenAI, ex-Apple

Michael Chang

@mmmbchang

Amplify human creativity with Sora @openai Prev: Gemini and Project Astra @GoogleDeepMind, @LangChainAI, @MetaAI, @SchmidhuberAI PhD @berkeley_ai BS @MIT

Ross Wightman

@wightmanr

AI / Computer Vision. Ex head of Software, Firmware Engineering at a Canadian 🦄. Building AI systems or investing in startups that do it better.

Ross

@rpoo

Michelle Pokrass

@michpokrass

shipping at openai

alth0u🧶

@alth0u

general partner at a16z art is a line through your thoughts erstwhile child

Casey Chu

@caseychu9

Researcher at @openai

Erik Torenberg

@eriktorenberg

General Partner @a16z. Positive-sum. Striving for a thousand year heart.

Miles Wang

@MilesKWang

Researcher @OpenAI

rahul

@0interestrates

ceo @JuliusAI | we're hiring engineers: https://julius.ai/careers

Kevin Zakka

@kevin_zakka

phding @Berkeley_AI

Georges Harik

@gharik

humans& co-founder, 7th employee google, co-created adwords online, co-created adsense targeting, worked on ai, gmail, calendar, bought android.

Kate Rouch 🛡️

@kate_rouch

Passionate about using creativity to help founders + their category defining companies win. OpenAI CMO 🚀🌚 Proud mom 👧👶🏼. Opinions = mine.

Tifa Chen

@tifafafafa

i recruit with hotpot @ openai

shyamal

@shyamalanadkat

applied AI. prev @openai @dukeu. explorer in the age of research 🇮🇳

Cheng Lu

@clu_cheng

Research @Meta MSL TBD Lab. Previously pretraining & multimodal @OpenAI. PhD @Tsinghua_Uni. Interested in scalable machine learning.

Nathan Labenz

@labenz

AI Scout, building text-2-video @Waymark, host of The Cognitive Revolution podcast

hunter

@hunterlightman

openai

Lama Ahmad لمى احمد

@_lamaahmad

@OpenAI. views my own.

Peter J. Liu

@peterjliu

Building @getcompoundai (hiring: http://twentylabs.ai/careers). Was Research Scientist @ Google Brain / DeepMind, language model research. 🇨🇦🇺🇸

Brydon Eastman

@brhydon

🇨🇦 Mathematician (heavy on the ish) @thinkymachines Prev. MTS @OpenAI; PhD @WaterlooMath Certified wife guy, featured twice in Lego Magazine © ☕//🤔➡️💻

Chubby♨️

@kimmonismus

Dream realized! Turned my love for AI into a career - sharing daily. Get my newsletter (225k+ subs): 🔗 https://linktr.ee/kimmonismus //📧 kim@getsuperintel.com

Josh Miller

@joshm

ceo @browsercompany makers of Arc and Dia browsers

Taelin

@VictorTaelin

Kind / Bend / HVM / INets / λCalculus

Dr. Alex Wissner-Gross

@alexwg

The Innermost Loop, also on Substack (http://alexwg.org/su), LinkedIn (http://alexwg.org/li), Spotify (http://alexwg.org/sp), Threads (http://alexwg.org/th), and YouTube (http://alexwg.org/yt).

David Shapiro (L/0)

@DaveShapi

Liberate humanity from drudgery.

bayes

@bayeslord

100% organic human tokens

Sam Whitmore

@sjwhitmore

eng at @cursor_ai. not a cat (or a man) in real life. I like to run a lot! @newcomputer @kensho @harvard @StuyNY

Atty Eleti

@athyuttamre

voice @openai

Karan Singhal

@thekaransinghal

Health AI, AGI benefits, safety @OpenAI

Jerry Wei

@JerryWeiAI

Aligning AIs at @AnthropicAI ⏰ Past: @GoogleDeepMind, @Stanford, @Google Brain

Jasmine Wang

@j_asminewang

Christina Wadsworth Kaplan

@ChristinaHartW

leading personalization & proactivity @OpenAI | previously @Meta, @Instagram

Lindsay McCallum Rémy

@lindsmccallum

comms @openai // previously @headlinevc @twitter 1.0 @publicisgroupe paris // very online

John Hallman

@johnohallman

Post-training @OpenAI, previously pre-training/bio

Hadi Salman

@hadisalmanX

Research Scientist @OpenAI Previously: PhD @MIT @MSFTResearch @UberATG @SCSatCMU @AUB_Lebanon

Thomas Dimson

@turtlesoupy

Technical Staff @OpenAI. Former CEO @illdotinc (acq. OpenAI). Authored “the algorithm” @Instagram. 🇨🇦. Purple monkey dishwasher.

Ben Newhouse

@newhouseb

member of technical staff @openai, cofounder @aidkit_tech, former head of sync @dropbox, cofounded bubbli (acquired by dropbox), previously made yelp monocle.

fouad

@fouadmatin

@openai codex, cyber, research, security

Rylan Schaeffer

@RylanSchaeffer

AI RS @ Meta TBD. On-Leave from Stanford w/ @sanmikoyejo. Prev @ Gemini, Meta, MIT, Harvard, Uber, UCL, UC Davis

Ji Lin

@jilin_14

Research @Meta Superintelligence Lab | Prev: Research @OpenAI; PhD @MIT

Kevin Kwok

@antimatter15

About myself in fewer than 160 chars.

Ryan Greene

@rabrg

ex @OpenAI

Jeffrey Wang

@jeffreygwang

Researcher @OpenAI, working on pretraining & reasoning. Previously (and perhaps again) CS/Math/English @Harvard.

Simón

@simonpfish

beep boop

Michael Lai

@Mtclai

AI for state + local government @AnthropicAI | SF elected | community builder

Jason Phang

@zhansheng

Foundations at @OpenAI. PhD @NYUDataScience, @AiEleuther, 🇸🇬. Prev: @Google, @Microsoft

nataliestaud

@nataliestaud

model behavior @OpenAI

reah miyara

@reah_ai

building rl systems & model evals ex @openai, @googledeepmind, @ibmwatsonx, @nasajpl

Giambattista 'Gb' Parascandolo

@giambattista92

research fellow at @OpenAI for reasoning prev also @DeepMind, Google X, @MPI_IS, @ETH

Josh McGrath

@j_mcgraph

search post training @ openai

Amelia (Mia) Glaese

@mia_glaese

Aliisa

@aliisarosenthal

former head of sales @openai, current investor @acrewcapital. fine-tuning two small models with @hodgessam.

Jason Wolfe

@w01fe

alignment and the model spec @OpenAI (opinions are my own)

Hugh Zhang

@hughbzhang

Michele Wang

@michelelwang

research @openai

Andre Saraiva

@andresnds

o1-preview, o1-mini, o1, o3-mini,o4-mini, o3... Reasoning Researcher at OpenAI. Ex-DeepMind.

Allison Tam

@allisontam_

research @OpenAI - prev @DeepMind

Neil Chowdhury

@ChowdhuryNeil

@TransluceAI, previously @OpenAI

Ashvin Nair

@ashvinair

RL foundations @cursor_ai. Prev: o1, o3, Code Interpreter @openai, 9 years learning to poke by poking at UC Berkeley

filipe

@filipeabperes

seeking scientific speedups @OpenAI

Suvansh Sanjeev

@SuvanshSanjeev

Research @OpenAI. ex-🤖 @berkeley_ai, @CMU_Robotics. Teamwork makes the dream work, and Dreamworks makes Shrek.

girish sastry

@girishsastry

AI & other things. I used to work at OpenAI on Policy Research.

Rohan Nuttall

@rohancalum

@openai

julia villagra

@juliacvillagra

@coreautoai ex-Chief People Officer OpenAI | ex-HRT Head of People founder, Tertulia | board member, ICA SF | Mom

Lorenz Kuhn

@_lorenzkuhn

Reasoning Research @OpenAI | o1-preview through o3

nervouscomputer

@nervouscomputer

iced latte in my veins

Maja Trebacz

@majatrebacz