christina kim

Noam Brown

@polynoamial

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

Jan Leike

@janleike

Alignment team lead @AnthropicAI. Previously OpenAI & DeepMind. Optimizing for a post-AGI future where humanity flourishes. Opinions aren't my employer's.

Mark Chen

@markchen90

Chief Research Officer at @OpenAI. Coach for the USA IOI Team.

Mira Murati

@miramurati

Now building @thinkymachines. Previously CTO @OpenAI

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 🧠

Liam Fedus

@LiamFedus

Building industrial-scale science at @periodiclabs Past: VP of Post-Training @OpenAI; Google Brain

Dwarkesh Patel

@dwarkesh_sp

Host of @dwarkeshpodcast https://www.youtube.com/DwarkeshPatel https://open.spotify.com/show/4JH4tybY1zX6e5hjCwU6gF https://apple.co/3ujLQkZ

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

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

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

Elad Gil

@eladgil

Entrepreneur & Investor

Jason Kwon

@jasonkwon

CSO @openai

Aravind Srinivas

@AravSrinivas

CEO @perplexity_ai

Zico Kolter

@zicokolter

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

Lucas Beyer (bl16)

@giffmana

Researcher (now: Meta. ex: OpenAI, DeepMind, Brain, RWTH Aachen), Gamer, Hacker, Belgian. Anon feedback: https://www.admonymous.co/giffmana ✗DMs → email

Igor Babuschkin

@ibab

Prev co-founder @xAI, Research & Engineering

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

Matthew Johnson

@SingularMattrix

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

Nal

@nalkalc

Angel 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

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 🧠

sarah guo

@saranormous

startup investor/helper, founder @conviction. accelerating AI adoption, interested in progress. tech podcast: @nopriorspod

Riley Goodside

@goodside

Screenshots from the jagged frontier. Formerly: Google DeepMind, Scale.

Nat McAleese

@__nmca__

Research @AnthropicAI. Previously @OpenAI, @DeepMind. Views my own.

Richard Ngo

@RichardMCNgo

natural philosopher

Ashish Vaswani

@ashVaswani

Karina

@karinanguyen

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

Peter Welinder

@npew

VP and GM @OpenAI

typedfemale

@typedfemale

a really exciting new account "advanced pytorch user" - @cHHillee alt: @typedalt

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

Tim Dettmers

@Tim_Dettmers

Creator of bitsandbytes. Professor @CarnegieMellon and Research Scientist @allen_ai . I blog about deep learning and PhD life at http://timdettmers.com.

rapha

@rapha_gl

making models programmable @ openai

Eric Wallace

@Eric_Wallace_

research @openai

Rosanne Liu

@savvyRL

Mom. Cofounded & running @ml_collective. Co-host of Deep Learning Classics & Trends. Research at Google DeepMind. DEI/DIA Chair of ICLR & NeurIPS.

Boris Power

@BorisMPower

Head of Applied Research @OpenAI

Adam D'Angelo

@adamdangelo

CEO of Quora, working on Poe: @poe_platform

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

Aidan McLaughlin

@aidan_mclau

research scientist @openai

Tejal Patwardhan

@tejalpatwardhan

research @openai // pain is the moat

Scott Gray

@scottgray76

GPU Geek at @OpenAI. I have a long standing interest in neuroscience and its application to machine learning. He/Him.

Hongyu Ren

@ren_hongyu

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

Peter Steinberger 🦞

@steipete

Polyagentmorous ClawFather. Came back from retirement to mess with AI and help a lobster take over the world. @OpenClaw🦞 + @OpenAI

Isa Fulford

@isafulf

research @openai

Arvind Neelakantan

@arvind_io

Research Scientist, @GoogleDeepMind Past: @AIatMeta , @OpenAI, @Google Brain PhD @UMassAmherst

Tom Brown

@nottombrown

Co-founder @AnthropicAI. Compute wrangler. Author of GPT-3. Cautiously optimistic.

Ryan Lowe 🥞

@ryan_t_lowe

full-stack alignment 🥞 @meaningaligned prev: InstructGPT @OpenAI

Ananya Kumar

@ananyaku

Researcher at Meta TBD Labs. Previously core contributor to o1, o3, gpt5, at OpenAI. PhD at Stanford University AI Lab with Percy Liang and Tengyu Ma

Rowan Zellers

@rown

multimodal @thinkymachines. I also like to climb rocks and throw pottery. http://rowanzellers.com (he/him)

Alexander Berger

@albrgr

Enjoys a good applied micro paper. CEO of @coeff_giving. Views my own, tweets self-destruct every once in a while.

Fidji Simo

@fidjissimo

CEO of Applications, OpenAI

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.

andy jones

@andy_l_jones

engineering & research at anthropic. i don't check twitter DMs. email me!

Johannes Heidecke

@JoHeidecke

Safety Systems @ OpenAI

Ofir Nachum

@ofirnachum

Research at @OpenAI. Previously at @GoogleAI on the Brain Team. Doing work on #ReinforcementLearning and #MachineLearning

Kai

@kaicathyc

Occasionally here. Currently research @OpenAI.

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

Drew Houston

@drewhouston

Founder/CEO of Dropbox · Board of directors at Meta

Sherwin Wu

@sherwinwu

@OpenAI

rishi

@RishiBommasani

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

Stephanie Chan

@scychan_brains

Staff Research Scientist at DeepMind. Artificial & biological brains 🤖 🧠 Societal impacts of AI + Science of AI. Views are my own.

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

Yu Bai

@yubai01

Training @OpenAI. Previously @SFResearch, PhD @Stanford.

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💺

Ariel Herbert-Voss

@adversariel

Founder @RunSybil. likes: offsec, LLMs, and dumb memes. prev: research scientist @OpenAI / CS PhD @Harvard / @defcon AI Village

Sebastian Riedel (@riedelcastro@sigmoid.social)

@riedelcastro

Researcher in NLP/ML @deepmind, @ucl_nlp, @riedelcastro@sigmoid.social on Mastodon

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.

Alex Tamkin

@AlexTamkin

machine learning, science & society @AnthropicAI | recently: Clio, Anthropic Economic Index, Claude Artifacts | prev: phd @StanfordAILab, @stanfordnlp

Evan Morikawa

@E0M

🤖 @Generalistai. Prev: led eng at @openai. Launched & scaled ChatGPT, GPT-4, DALL·E, APIs. Dir Eng @Nylas, Co-Founder @Proximate, @OlinCollege alum.

cat

@_catwu

claude code + cowork @anthropicai, prev: @dagster, @scale_ai

Alex Graveley

@alexgraveley

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

Kanjun 🐙

@kanjun

helping humans fight Moloch. CEO @imbue_ai. support founders @outsetcap.

Ethan Caballero

@ethanCaballero

ML @Mila_Quebec ; previously @GoogleDeepMind

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

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.

Jong Wook Kim 💟

@_jongwook_kim

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

Kory Mathewson

@korymath

@GoogleDeepMind generative AI models + agents | get great tech into the hands of great creative people

Yaroslav Bulatov

@yaroslavvb

@southparkcommons (early OpenAI, Google Brain, Meta) https://yaroslavvb.substack.com/ https://medium.com/@yaroslavvb https://yaroslavvb.blogspot.com/

anton 🇺🇸

@atroyn

http://troynikov.io | founder @trychroma

Angela Jiang

@jiangelaa

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

Simon Shaolei Du

@SimonShaoleiDu

Reasoning Chief Scientist @miromind_ai. Associate Professor @uwcse. Prev @xai. Postdoc @the_IAS. PhD in machine learning @mldcmu.

Anjney Midha

@AnjneyMidha

founder @amppublic

Reiichiro Nakano

@reiinakano

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

Rosie Campbell

@RosieCampbell

Forever expanding my nerd/bimbo Pareto frontier. AI welfare 🤝 AI safety. Managing Director @eleosai, Ex-OpenAI, 2024 @rootsofprogress fellow

Gretchen Krueger

@GretchenMarina

Over at Bluesky. Researcher affiliated w @BKCHarvard, Volunteer @evitable. Previously @openai @ainowinstitute. Views mine. #justdontbuildagi #talktomenotchatgpt

Ivan Zhao

@ivanhzhao

CEO @NotionHQ. Tools for thought.

Justine Moore

@venturetwins

Partner @a16z AI 🤖 and twin to @omooretweets | Investor in @elevenlabs, @bfl_ml, @hedra_labs, @krea_ai, @heyglif, @ShizukuAILabs, @wabi, @WaveFormsAI

Michelle Pokrass

@michpokrass

shipping at openai

Tamara Winter

@tamarawinter

Publisher @stripepress | Board @ifp + @joinFAI | Creator of TACIT, a mini-documentary series following master craftspeople at work

José Luis Ricón Fernández de la Puente

@ArtirKel

Head of Theory at @RetroBio_ , enjoyer of things, blog: http://nintil.com

alth0u🧶

@alth0u

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

Cas (Stephen Casper)

@StephenLCasper

AI safeguards & gov. research. PhD student @MIT_CSAIL (mnr. Public Policy), and Fellow at @BKCHarvard. Fmr. @AISecurityInst. https://stephencasper.com/

Ruoming Pang

@ruomingpang

Neal Wu

@neal_wu

@thinkymachines, prev new stealth co, @cognition, @tryramp, @GoogleBrain, competitive programming

Ben Mann

@8enmann

Make AI safe again

Steven Adler

@sjgadler

AI safety researcher (ex-OpenAI: danger evals, AGI readiness, etc), writing at https://clear-eyed.ai

uncatherio

@uncatherio

wholesomeness practitioner; user of words my more "work" account is @catherineols

Keerthana Gopalakrishnan

@keerthanpg

Research Lead Gemini Robotics @GoogleDeepmind. Author of "AI for Robotics" book. Opinions my own.

Casey Chu

@caseychu9

Researcher at @openai

Kyle Kastner

@kastnerkyle

computers and music are fun

Erik Torenberg

@eriktorenberg

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

raulpuri.eth

@TheRealRPuri

AI @ hrooeu sjmrtPectPs | past: OpenAI - ChatGPT Multimodal, Her, 4o, GPT4V, 4, 3.5, Codex | NVIDIA - megatron, language | 🐻

David Schnurr

@_dschnurr

engineer @openai

Ishaan Gulrajani

@__ishaan

Hi! I’m a machine learning researcher @openai. Previously @stanford @facebook @google @mila_quebec

fraser

@Fraser

vc at @sparkcapital past: head of product at @openai; co-founder/ceo of an AI startup that was acquired by Airbnb

Dave

@dece

rachel lim

@_rlys

eng, aesthete, bookreader. building things @openai

shyamal

@shyamalanadkat

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

Anastasios Nikolas Angelopoulos

@ml_angelopoulos

Measuring intelligence @arena. Statistics, model evaluation. Formerly @Berkeley_EECS, @stanford_ee, student researcher @GoogleDeepMind.

hunter

@hunterlightman

openai

Lama Ahmad لمى احمد

@_lamaahmad

@OpenAI. views my own.

Toby Shevlane

@tshevl

@_Mantic_AI cofounder & CEO, on a mission to solve forecasting. Prev: research scientist @GoogleDeepMind, PhD at @UniofOxford.

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

Dan Shipper 📧

@danshipper

ceo @every | the only subscription you need to stay at the edge of AI

Aiden Bai

@aidenybai

building http://million.dev. on the side https://react-grab.com

Ava

@noampomsky

text II is active, moved by pleasure

Kylie Robison

@kyliebytes

take it easy dude, but take it • writing @corememory • robison (rah-beh-son) not robinson • signal @ kylie.111

Celine Halioua

@celinehalioua

Founder + CEO @loyalfordogs 🐶 Working on aging drugs! Longevity Fund, @UniofOxford health econ, @UTAustin neuroscience. Write to learn things.

Maddie Simens

@maddiesimens

human in the loop @OpenAI

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

Charlie Cheever

@ccheever

@ccheever.com on 🦋/ working on @expo & @castlexyz

evan conrad

@evanjconrad

ceo @sfcompute

Atty Eleti

@athyuttamre

voice @openai

Jasmine Wang

@j_asminewang

samir

@_samirism

ChatGPT Personalization and Memory @OpenAI , previously Eng @Snap

Phil Chen

@philhchen

Building something new. Previously research @openai @GoogleDeepMind @scale_AI @Stanford

John Hallman

@johnohallman

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

Thomas Dimson

@turtlesoupy

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

Rohan Sahai

@rohanjamin

working on chatgpt. write and play music for @ sally mango.

fouad

@fouadmatin

@openai codex, cyber, research, security

Ji Lin

@jilin_14

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

Kevin Kwok

@antimatter15

About myself in fewer than 160 chars.

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

Jason Wolfe

@w01fe

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

Nitish

@StrongDuality

Allison Tam

@allisontam_

research @OpenAI - prev @DeepMind

Sandhini

@SandhiniAgarwal

AI Policy @OpenAI

Ashvin Nair

@ashvinair

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

Felipe Such

@felipesuch

@OpenAI

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.

Tyna Eloundou

@ThankYourNiceAI

julia villagra

@juliacvillagra

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

Diane Yoon

@dorkydi

nervouscomputer

@nervouscomputer

iced latte in my veins