Psyho

Sam Altman

@sama

AI is cool i guess

hardmaru

@hardmaru

Co-Founder and CEO @SakanaAILabs 🎏

Eric Jang

@ericjang11

Alec Radford

@AlecRad

Sebastien Bubeck

@SebastienBubeck

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

Mark Chen

@markchen90

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

Sholto Douglas

@_sholtodouglas

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

Luke Metz

@Luke_Metz

OpenAI Previously: Thinking Machines, Google Brain

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

Boaz Barak

@boazbaraktcs

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

Smerity

@Smerity

ML x society. Founding Member of Technical Staff at Project Prometheus. Prev @midjourney, @SFResearch, @CommonCrawl. @Harvard '14, @Sydney_Uni '11. 🇦🇺 in SF.

David Dohan

@dmdohan

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

Bob McGrew

@bobmcgrewai

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

Joanne Jang

@joannejang

cofounder @coreautoai // prev: model behavior & labs @openai

Rohan Pandey

@khoomeik

descending cross-entropy to ascend entropy @PeriodicLabs || prev research @OpenAI @CarnegieMellon '23

Richard Ngo

@RichardMCNgo

natural philosopher

will depue

@willdepue

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

Andrew Carr 🤸

@andrew_n_carr

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

David Luan

@jluan

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

Zhiqing Sun

@EdwardSun0909

Lead Agents @Meta MSL TBD Lab. previously posttraining/agent research @OpenAI. CS PhD @LTIatCMU

rapha

@rapha_gl

making models programmable @ openai

Matei Zaharia

@matei_zaharia

CTO @Databricks and prof @UCBerkeley. Working on data + AI, @ApacheSpark, @DeltaLakeOSS, @MLflow, @DSPyOSS, @GEPA_ai. http://linkedin.com/in/mateizaharia

Ajay Jain

@ajayj_

Co-founder @genmoai. Co-created denoising diffusion (DDPM), DreamFusion, Dream Fields. Ex Ph.D. @berkeley_ai, @googleai, @facebookai, @nvidiaai, @mit

Alexander Wei

@alexwei_

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

Weijia Shi

@WeijiaShi2

PhD student @uwnlp | Prev @allen_ai @MetaAI @CS_UCLA | 🏠 http://weijiashi.notion.site

Feryal

@FeryalMP

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

Yu Bai

@yubai01

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

Teortaxes▶️ (DeepSeek 推特🐋铁粉 2023 – ∞)

@teortaxesTex

We're in a race. It's not USA vs China but humans and AGIs vs ape power centralization. @deepseek_ai stan #1, 2023–Deep Time «C’est la guerre.» ®1

Kory Mathewson

@korymath

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

Victoria X Lin

@VictoriaLinML

MTS @thinkymachines | Native Multimodal Intelligence Prev: @AIatMeta @SFResearch • PhD @uwcse

Scott Gray

@scottgray76

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

Anjney Midha

@AnjneyMidha

founder @amppublic

Marco Mascorro

@Mascobot

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

Ross Taylor

@rosstaylor90

Co-founder and CEO @GenReasoning. Previously lots of other things like: reasoning lead Meta AI, Llama 3/2, Galactica, Papers with Code.

Trenton Bricken

@TrentonBricken

Trying to make AI go well @AnthropicAI

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

Nick Frosst

@nickfrosst

cofounder @cohere - singer @goodkidband

Simo Ryu

@cloneofsimo

I like cats, math and codes cloneofsimo@gmail.com

Georges Harik

@gharik

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

Peter J. Liu

@peterjliu

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

Christine McLeavey

@mcleavey

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

Brendan O'Donoghue

@bodonoghue85

Director of Research at @GoogleDeepMind, working on generative models, deep learning, RL. PhD from @stanford. Gemini Diffusion lead.

Sayash Kapoor

@sayashk

I tweet about AI agents, AI evals, AI for science. AI as Normal Technology: http://bit.ly/ai-nt Book: http://bit.ly/ai-so

Tao Xu

@txhf

Learning Machine at OpenAI

Ted Sanders

@sandersted

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

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💺

Toby Pohlen

@TobyPhln

Sleeping. Previously founding team @xAI, engineer @GoogleDeepMind. @RWTH alumnus.

alex zhang

@a1zhang

phd student @MIT_CSAIL (RLMs), previously undergrad @Princeton 🫵🏻 go participate in the @GPU_MODE kernel competitions!

Archit Sharma

@archit_sharma97

RL, post-training, reasoning research @GoogleDeepMind | co-created: Gemini Deep Think series, DPO | prev: @Stanford @Google Brain @IITKanpur @MILAMontreal

Ross

@rpoo