Ryan O'Donnell

Matthew Johnson

@SingularMattrix

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

Sebastien Bubeck

@SebastienBubeck

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

Boaz Barak

@boazbaraktcs

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

Alex Dimakis

@AlexGDimakis

Professor, UC Berkeley, Founder @bespokelabsai

Sham Kakade

@ShamKakade6

Harvard Professor. Full stack ML and AI. Co-director of the Kempner Institute for the Study of Artificial and Natural Intelligence.

Gautam Kamath

@thegautamkamath

Assistant Prof of CS @NYU_Courant. Co-EiC @TmlrOrg. I lead @TheSalonML.

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

Stella Biderman

@BlancheMinerva

Ensuring that tech companies don't have a monopoly on being able to do research on cutting edge AI @AiEleuther. She/her

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.

Geoffrey Irving

@geoffreyirving

Cofounder and Chief Scientist at Resolution. Alignment will be solved, but not necessarily in time. Previously AISI, DeepMind, OpenAI, Google Brain, etc.

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 🏳️‍🌈

Ludwig Schmidt

@lschmidt3

Assistant professor at @Stanford and member of the technical staff at @AnthropicAI.

Yuhuai (Tony) Wu

@Yuhu_ai_

know thyself. co-founder @xai.

will brown

@willcb

reward hacking @primeintellect

Yu Bai

@yubai01

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

Tim Vieira

@xtimv

machine learning, reinforcement learning, programming languages, handstands (he/him)

David Abel

@dabelcs

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

Guodong Zhang

@Guodzh

Illuminate the future with superintelligence.

Aaron Roth

@Aaroth

CS prof at Penn. Amazon Scholar at AWS. Author of The Ethical Algorithm (w/ Michael Kearns). I study machine learning, privacy, game theory, and uncertainty.

Brendan O'Donoghue

@bodonoghue85

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

Zhaoran Wang

@zhaoran_wang

Eng @Nvidia | Prof @NorthwesternU | PhD @Princeton | Reinforcement Learning

Ying Sheng

@ying11231

Cofounder & CEO @radixark @lmsysorg | @sgl_project (http://sglang.io) | 零落成泥碾作尘 只有香如故

Danfei Xu

@danfei_xu

Prof @ICatGT, Research @nvidia | I like robots

Suresh Venkatasubramanian (mostly in the sky now)

@geomblog

AI Bill of Rights coauthor. Prof@BrownUniversity. Former tech advisor to President Biden @WHOSTP. He/him/his. Tweets my own.

Nan Jiang

@nanjiang_cs

machine learning researcher, with focus on reinforcement learning. assoc prof @ uiuc cs. Course on RL theory (w/ videos): https://nanjiang.cs.illinois.edu/cs542

Daniel Khashabi 🕊️

@DanielKhashabi

I play with intuitions and data. Now: @jhuclsp @jhucompsci Past: @allen_ai @uwnlp @Penn @cogcomp, @Illinois_Alma, @MSFTResearch He/Him

Dylan Foster 🐢

@canondetortugas

Incoming professor in EECS and Statistics at @UCBerkeley. Principal Researcher @ Microsoft Research. AI & RL. Lecture Notes: https://arxiv.org/abs/2312.16730

Andrej Risteski

@risteski_a

Machine learning researcher. Associate Professor, ML department at CMU (@mldcmu).

Judy Shen

@judyhshen

Societal Impacts Researcher prev: @Stanford CS PhD 🇨🇦

Marlos C. Machado

@MarlosCMachado

Assistant Professor @UAlberta. @AmiiThinks Fellow, Canada CIFAR AI chair. Photo by @ampersandgrey.

Suvrit Sra

@optiML

Currently @MIT. Interested in Optimization, ML, and Math 🙃 On the non-professional side: Punjabi (ਪੰਜਾਬੀ) language, music, and culture. ⬛️

Claire Vernade @claireve.bsky.app

@vernadec

now on BlueSky @claireve. I tweet on Machine Learning, mostly Bandits, RL and Learning Theory. Professor at UTN, Nuremberg.

Gretchen Krueger

@GretchenMarina

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

Arthur Douillard

@Ar_Douillard

Scaling Intelligence @ gemini Distributed Learning @ deepmind | DiLoCo, DiPaCo. Continual Learning PhD @ Sorbonne

Nika Haghtalab

@nhaghtal

Associate Professor @Berkeley_EECS. NeurIPS 2026 Program co-Chair. Research on Foundations of ML and AI. Sloan and Schmidt AI2050 fellow.

Han Zhao

@hanzhao_ml

Assistant Professor @siebelschool; Amazon scholar; Ph.D. @mldcmu; work on trustworthy machine learning and AI.

Guy Van den Broeck

@guyvdb

Professor of Computer Science at UCLA @UCLAComSci; working on Artificial Intelligence

Vincent Conitzer

@conitzer

AI professor. Director, @FOCAL_lab @CarnegieMellon. Head of Technical AI Engagement, @UniofOxford @EthicsInAI. Author, "Moral AI - And How We Get There."

Alexander Terenin

@avt_im

Unconventional academic starting something new · Bayesian decision-making · AI safety · anti-ideological · fmr. @Cornell faculty, @CambridgeMLG @ImperialMaths

Vitaly 🇺🇦 Feldman

@vitalyFM

Proving theorems about machine learning. Worried about data privacy. Research scientist at @Apple

Michael Kearns

@mkearnsupenn

CS prof at Penn. Amazon Scholar. Interests in ML, fairness, privacy, algorithmic game theory, algo trading. Author of "The Ethical Algorithm" (with Aaron Roth).

Alex Gu

@minimario1729

mit phd student / prev founding researcher @ math inc & intern @ meta, nvidia, aws, jane street

Olivier Bousquet

@obousquet

AI Scientist, Mistral AI

Wei Hu

@weihu_

@OpenAI

Song Mei

@Song__Mei

Assistant Professor at UC Berkeley, Department of Statistics and EECS. Researcher at OpenAI working on LLM training.

Berk Ustun

@berkustun

Assistant Prof @UCSD. I work on safety, interpretability, and personalization in ML. Previously @GoogleAI @Harvard @MIT @UCBerkeley🇨🇭🇹🇷