Giambattista 'Gb' Parascandolo

Mira Murati

@miramurati

Now building @thinkymachines. Previously CTO @OpenAI

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 🧠

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

Jason Kwon

@jasonkwon

CSO @openai

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.

Sholto Douglas

@_sholtodouglas

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

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 🧠

Irwan Bello

@IrwanBello

Supercomputers & Friends, AI & Science. Founding team & Research Lead at @reflection_ai. Past: @OpenAI, Founding team @character_ai, Google Brain

sarah guo

@saranormous

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

Karina

@karinanguyen

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

typedfemale

@typedfemale

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

Aditya Ramesh

@model_mechanic

VP Robotics @OpenAI

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)

augustus odena

@gstsdn

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

Thomas Kipf

@tkipf

Sr. Staff RS at @GoogleDeepMind. Veo Team. Priors: GNNs, Structured World Models, Neural Assets, Veo Ingredients/References, Veo Robotics

Yang Song

@DrYangSong

Research Principal of MSL

Matt Brockman

@badphilosopher

playing in the sand

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

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.

Isa Fulford

@isafulf

research @openai

Michael Truell

@mntruell

@cursor_ai CEO

Theo Weber

@theophaneweber

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

Christine McLeavey

@mcleavey

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

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

Feryal

@FeryalMP

Staff Research Scientist @DeepMind, Self-improvement in Gemini ♊️

Gabriel Goh

@gabeeegoooh

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

Johannes Heidecke

@JoHeidecke

Safety Systems @ OpenAI

Dimitris Papailiopoulos

@DimitrisPapail

Researcher @MSFTResearch, AI Frontiers Lab; Prof @UWMadison (on leave); reasoning in context; learning how to automate; agent of agents; babas of Inez Lily.

Patrick Hsu

@pdhsu

@ArcInstitute co-founder, @BerkeleyBioE professor, @ThriveCapital investor | biology and ML research | 🇨🇦 prev @harvard @broadinstitute, Fast Grants

Jiahui Yu

@jhyuxm

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

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💺

Andrew Lampinen

@AndrewLampinen

Interested in cognition and artificial intelligence. MTS at @AnthropicAI. Previously @DeepMind, cognitive science @StanfordPsych. Tweets are mine.

Jimmy Ba

@jimmybajimmyba

100x | pumping MPI up co-founder @xai | @uoft

Brandon McKinzie

@mckbrando

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

Andrew Carr 🤸

@andrew_n_carr

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

Joscha Bach

@Plinz

Shunyu Yao

@ShunyuYao12

Language agents

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.

Yo Shavit

@yonashav

policy for v smart things @openai. Past: CS PhD @HarvardSEAS/@SchmidtFutures/@MIT_CSAIL. Tweets my own; on my head be it.

Alexey Guzey

@alexeyguzey

http://guzey.com, http://newscience.org, @openai; in pursuit of a just, beautiful future.

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

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

anton 🇺🇸

@atroyn

http://troynikov.io | founder @trychroma

David Abel

@dabelcs

Scientist @GoogleDeepMind and Fellow @EdinburghUni | RL, philosophy, agency, foundations, alignment | office hours: http://tinyurl.com/dabel-mtg

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

Michael Chang

@mmmbchang

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

Ruoming Pang

@ruomingpang

Casey Chu

@caseychu9

Researcher at @openai

Miles Wang

@MilesKWang

Researcher @OpenAI

Marco Mascorro

@Mascobot

Researching LLMs | Roboticist | Prev: Partner @a16z (inv: @cursor_ai, @thinkymachines, @bfl_ml, @WaveFormsAI, @deeptuneai, etc), cofounder @Fellow_AI

Dave

@dece

Georges Harik

@gharik

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

Sarah Catanzaro

@sarahcat21

“All methods are sacred if they are internally necessary” (GP @amplifypartners, prev @canvasvc; Head of Data @Mattermark; @palantirtech; @c4ads)

shyamal

@shyamalanadkat

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

Marius Hobbhahn

@MariusHobbhahn

CEO at Apollo Research @apolloaievals prev. ML PhD with Philipp Hennig & AI forecasting @EpochAIResearch

Lama Ahmad لمى احمد

@_lamaahmad

@OpenAI. views my own.

Pranav Shyam

@recurseparadox

research scientist at google deepmind. ಕನ್ನಡಿಗ. past: generative models @openai

Stephanie Zhan

@stephzhan

GP @Sequoia, investing in AI, from company formation. 1st partner to @linear @mach_industries @middeskhq @reflection_ai @ricursiveai @skildai @tavus

Brydon Eastman

@brhydon

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

David Shor

@davidshor

Head of Data Science at Blue Rose Research, based in NYC, originally from Miami. I try to elect Democrats. Views are my own. he/him🌹

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

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

Jason Phang

@zhansheng

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

nataliestaud

@nataliestaud

model behavior @OpenAI

ilge

@ilge

Researcher @OpenAI | there is as yet insufficient data for a meaningful answer.

Hugh Zhang

@hughbzhang

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.

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

nervouscomputer

@nervouscomputer

iced latte in my veins