Song Mei

Tengyu Ma

@tengyuma

Assistant prof. @ Stanford; Chief AI Scientist @ MongoDB; Former Co-founder/CEO of Voyage AI Working on ML, DL, RL, LLMs, and their theory.

Zico Kolter

@zicokolter

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

Tri Dao

@tri_dao

Asst. Prof @PrincetonCS, Chief Scientist @togethercompute. Machine learning & systems.

Diyi Yang

@Diyi_Yang

Assistant Professor @Stanford CS @StanfordNLP @StanfordAILab Part time @humansand LLMs for Humans

Behnam Neyshabur

@bneyshabur

Co-Founder & CEO @mirendil 💼 Past: co-led Discovery team @AnthropicAI & Blueshift team @GoogleDeepMind 🎒Traveling & Backpacking

Matthew Johnson

@SingularMattrix

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

Kevin Patrick Murphy

@sirbayes

Research Scientist at Google DeepMind. Interested in Bayesian Machine Learning.

Danqi Chen

@danqi_chen

Associate professor @princetonPLI @PrincetonCS Previously: @thinkymachines @facebookai, @stanfordnlp, @Tsinghua_Uni

Sebastien Bubeck

@SebastienBubeck

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

sarah guo

@saranormous

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

Jason Weston

@jaseweston

Senior Director & RS @Meta + Visiting Prof NYU | OG in LLMs | Pretrain+Finetune in 2008+ | 155k+ citations | Current: Self-Improving & Co-Improving AI

Andrew Gordon Wilson

@andrewgwils

Research Lead @perplexity_ai. Professor of machine learning at NYU Courant.

Sewon Min

@sewon__min

Assistant professor @Berkeley_EECS @berkeley_ai || Research scientist at @allen_ai || PhD from @uwcse @uwnlp

Alex Dimakis

@AlexGDimakis

Professor, UC berkeley | Founder @bespokelabsai |

Saining Xie

@sainingxie

cofounder & chief science officer at @amilabs | faculty @nyu_courant | prev: @googledeepmind @meta (fair) @ucsandiego | ynwa

Joshua Achiam

@jachiam0

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

Yuandong Tian

@tydsh

Co-founder of @Recursive_SI. ex-Meta FAIR Director. ex-Google. Reasoning, Optimization and Understanding LLM. Novelist in spare time. PhD in @CMU_Robotics.

Bob McGrew

@bobmcgrewai

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

Denny Zhou

@denny_zhou

LLM Reasoning. Meta Superintelligence. Prev: Google DeepMind, PaLM, PaLM 2, Gemini 1.5, Gemini 2, Gemini 2.5, Gemini 3

Dimitris Papailiopoulos

@DimitrisPapail

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

Ashish Vaswani

@ashVaswani

Yang Song

@DrYangSong

Research Principal of MSL

Naomi Saphra

@nsaphra

Waiting on a robot body. All opinions are universal and held by both employers and family. Now a dedicated grok hate account. (I post more elsewhere.)

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

Prof. Anima Anandkumar

@AnimaAnandkumar

AI+Science, Co-Founder @accelerated_u, Bren Professor @caltech, Time100, Fmr Sr Director of #AI research @nvidia Fmr Principal Scientist @awscloud

Surya Ganguli

@SuryaGanguli

Associate Prof of Applied Physics @Stanford, and departments of Computer Science, Electrical Engineering and Neurobiology. Venture Partner @GeneralCatalyst

Simon Shaolei Du

@SimonShaoleiDu

Lead Scientist for Reasoning Models & Training at @Apodex_AI. Associate Professor @uwcse. Prev @xai. Postdoc @the_IAS. PhD in machine learning @mldcmu.

Chris J. Maddison

@cjmaddison

ML faculty @UofT

Songlin Yang

@SonglinYang4

pretraining @thinkymachines. Prev. PhD @MIT_CSAIL. INTP 🐱. she/her/hers.

Jiajun Wu

@jiajunwu_cs

Assistant Professor at @Stanford CS

Shunyu Yao

@ShunyuYao12

Language agents

Wenhu Chen

@WenhuChen

Meta MSL. I led PoT, MMMU, MMLU-Pro, ClawBench, MAmmoTH, General-Reasoner, VL-Rethinker, VLM2Vec. I contributed to Gemini-2.5 and Muse Spark series.

Yann Dubois

@yanndubs

Post-training @OpenAI | PhD @StanfordAILab

Weijia Shi

@WeijiaShi2

Pretraining @AnthropicAI @aclmentorship | Prev @uwnlp @allen_ai @MetaAI @CS_UCLA

Quanquan Gu

@QuanquanGu

Founder of Geodesic Intelligence @Geodesiclab | Professor @UCLA | Opinions are my own

Csaba Szepesvari

@CsabaSzepesvari

"If there is not folly in the world, then the world itself is folly. You must understand that mistakes are not always regrets." - Paul Tobin, Bandette🤠

Xin Eric Wang

@xwang_lk

Professor @ucsantabarbara. Head of Research @SimularAI. Director @ucsbcrml @UCSB_AI. Build the Science of Multimodal AI Agents. AI for Humanity in the long run.

Kamalika Chaudhuri

@kamalikac

Researcher, Google Deepmind. Formerly, Director FAIR @ Meta. Former Professor at UCSD. Researcher in AI privacy, security, and generalization.

Alex Graveley

@alexgraveley

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

Kayo Yin

@kayo_yin

PhD student @berkeley_ai. AI persuasion, safety, sign language. Prev @carnegiemellon @polytechnique, intern @msftresearch @deepmind. 🇫🇷🇯🇵

Yi Ma

@YiMaTweets

Chair Professor of AI, Hong Kong University Pursuing a Mathematical Theory of Intelligence: https://ma-lab-berkeley.github.io/deep-representation-learning-book/

Hanie Sedghi

@HanieSedghi

Staff Research Scientist at Google DeepMind. Interested in the science of deep learning. Current focus: Pushing boundaries of LLMs capabilities

Andrew Carr 🤸

@andrew_n_carr

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

Aditya Grover

@adityagrover_

CTO & Co-Founder @_inception_ai. AI Prof @UCLA. CS PhD @Stanford. Denoising intelligence.

Rylan Schaeffer

@RylanSchaeffer

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

Ananya Kumar

@ananyaku

Research lead at Meta TBD Labs. Previously research lead and core contributor to o1, o3, gpt5, at OpenAI. PhD at Stanford with Percy Liang and Tengyu Ma

Yu Bai

@yubai01

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