Shital Shah

Sebastien Bubeck

@SebastienBubeck

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

Danilo J. Rezende

@DaniloJRezende

Executive Director and Principal Scientist @ EIT | Building models to accelerate fundamental sciences.

Alex Dimakis

@AlexGDimakis

Professor, UC Berkeley, Founder @bespokelabsai

Joshua Achiam

@jachiam0

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

Eric Horvitz

@erichorvitz

Chief Scientific Officer, Microsoft

Tom Goldstein

@tomgoldsteincs

Professor at UMD. AI security & privacy, algorithmic bias, foundations of ML. Follow me for commentary on state-of-the-art AI.

Dimitris Papailiopoulos

@DimitrisPapail

Researcher @Microsoft | Prof @UWMadison (on leave) | babas of Inez Lily.

tobi lutke

@tobi

Shopify CEO by day, Dad in evening, hacker at night, Aspiring comprehensivist.

Amjad Masad

@amasad

ceo @replit. civilizationist

Ashish Vaswani

@ashVaswani

rishi

@RishiBommasani

Senior Research Scholar @StanfordHAI focused on economics and governance of frontier AI Previous: Stanford CS PhD @percyliang @jurafsky, Cornell CS

Greg Yang

@TheGregYang

xai cofounder. fighting lyme

Eric Zelikman

@ericzelikman

cofounder & ceo @humansand - building ai for humans // was lgtm-ing @xAI, phd-ing @stanford

Arthur Mensch

@arthurmensch

Co-founder and CEO @MistralAI

Zeyuan Allen-Zhu, Sc.D.

@ZeyuanAllenZhu

physics of language models @ Meta (FAIR at MSL, not GenAI or TBD) 🎓：Tsinghua Physics — MIT CSAIL — Princeton/IAS 🏅：IOI x 2 — ICPC — USACO — Codejam — math MCM

Smerity

@Smerity

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

Niloofar

@niloofar_mire

Technical staff @humansand, asst. prof @LTIatCMU @CMU_EPP, ex RS in @AIatMeta, postdoc @uwcse, Ph.D. @ucsd_cse, former @MSFTResearch -- NAACL & ACL pr chair

Max Jaderberg

@maxjaderberg

President @IsomorphicLabs: solving disease with AI. Prev: Deepmind, Vision Factory (acq. Google), Oxford VGG.

Sameer Singh

@sameer_

Safety at @AIatMeta and Prof at @UCIrvine, prev Cofounder @SpiffyAI (aka Envive), works on reliable LLMs, explanations for A, safety, and debugging/evaluation.

Irwan Bello

@IrwanBello

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

Eugene Vinitsky 🦋

@EugeneVinitsky

This account only exists so no on else can occupy it. Please contact through other means. Lab website: http://emerge-lab.github.io

Junyang Lin

@JustinLin610

building p7k @pragmatik_labs | ❤️ 🍵 ☕️

Rohan Pandey

@khoomeik

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

Aidan McLaughlin

@aidan_mclau

posttraining research @openai

Wei Xu

@cocoweixu

CS professor @GeorgiaTech @gtcomputing @ICatGT @mlatgt. Evaluating & Improving LLMs (multilingual, reasoning, RL, multi-turn, privacy/safety, etc.)

Weijia Shi

@WeijiaShi2

Pretraining @AnthropicAI @cornell_tech @uwnlp

John Langford

@JohnCLangford

Solving Machine Learning at Microsoft in New York. http://icml.cc pandemic past president. http://vowpalwabbit.org makes RL real. http://hunch.net for thinking out loud.

Ari Morcos

@arimorcos

CEO and Co-founder @datologyai working to make it easy for anyone to make the most of their data. Former: RS @AIatMeta (FAIR), RS @DeepMind, PhD @PiN_Harvard.

Danijar Hafner

@danijarh

Building general agents for the physical world. Prev @GoogleDeepMind @UCBerkeley @UofT

Pavel Izmailov

@Pavel_Izmailov

Researcher @AnthropicAI 🤖 Assistant Professor @nyuniversity 🏙️ Previously @OpenAI #StopWar 🇺🇦

Jesse Dodge

@JesseDodge

Muse Glimmer in MSL at Meta, formerly OLMo at Ai2 Trying to add some sanity to the chaotic world of evals, especially across stages of training an llm 🏳️‍🌈

Alex Graveley

@alexgraveley

Co-creator GitHub Copilot, Perplexity Computer & Comet, Dropbox Paper. 2x CEO of Hackpad and Minion AI. Thruhiker. Survivor 🎗️

Preetum Nakkiran

@PreetumNakkiran

Matei Zaharia

@matei_zaharia

CTO @Databricks and prof @UCBerkeley. Working on data + AI, @ApacheSpark, @DeltaLakeOSS, @MLflow, @DSPyOSS, @GEPA_ai, @Omnigent_ai.

Lachy Groom

@lachygroom

it's pronounced locky. lachygroom@gmail.com. π.com

Rylan Schaeffer

@RylanSchaeffer

Creating something new. Ex-Meta TBD. On-Leave from Stanford w/ @sanmikoyejo. Prev @ Gemini, MIT, Harvard, Uber, UCL, UC Davis

will brown

@willcb

reward hacking @primeintellect

Beff (e/acc)

@beffjezos

founder @ e/acc // thermo king @extropic // Kardashev scaling is all you need

James Campbell

@jam3scampbell

post training @OpenAI

Zhiqing Sun

@EdwardSun0909

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

𝙷𝚒𝚖𝚊 𝙻𝚊𝚔𝚔𝚊𝚛𝚊𝚓𝚞

@hima_lakkaraju

AI Professor @Harvard; Senior Staff Research Scientist @GoogleAI; @trustworthy_ml #AI #XAI; AI PhD from Stanford; Sloan/Kavli Fellow, MIT TR #35Under35

Erik Brynjolfsson

@erikbryn

Director @DigEconLab Co-founder, @Workhelix @StanfordHAI @SIEPR @Stanford https://www.amazon.com/Second-Machine-Age-Prosperity-Technologies/dp/0393350649

Sang Michael Xie

@sangmichaelxie

self-improving @OpenAI. Prev: PhD @StanfordAILab, @GoogleAI Brain/DeepMind, @Meta GenAI

Sherjil Ozair

@sherjilozair

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

Brad Gerstner

@altcap

Founder - Altimeter, Invest America | Trump Accounts, Center for Heart Attack Prevention. One precious life. Views here personal. @investamerica24 @bg2pod

Yao Fu

@Francis_YAO_

Prev. Grok 4.5/4.6 pretraining scaling @xAI; Gemini 3 perception and project Astra @GoogleDeepMind

Alexia Jolicoeur-Martineau

@jm_alexia

Principal Researcher @ Microsoft 🐱‍💻 2025 ARC Prize Winner I build generative AI for images, videos, text, tabular data, weights, molecules, and video games.