Roberta Raileanu

hardmaru

@hardmaru

Co-Founder and CEO @SakanaAILabs 🎏

Noam Brown

@polynoamial

Researching reasoning @OpenAI | Co-created Libratus/Pluribus superhuman poker AIs, CICERO Diplomacy AI, and OpenAI o3 / o1 / 🍓 reasoning models

Christian Szegedy

@ChrSzegedy

#deeplearning, #ai research scientist. Opinions are mine.

Sam Bowman

@sleepinyourhat

AI alignment + LLMs at Anthropic. On leave from NYU. Views not employers'. No relation to @s8mb. Into @givingwhatwecan.

Jim Fan

@DrJimFan

NVIDIA Director of Robotics & Distinguished Scientist. Co-Lead of GEAR lab. Solving Physical AGI, one motor at a time. Stanford Ph.D. OpenAI's 1st intern.

Barret Zoph

@barret_zoph

@openai Past: - CTO & Co-Founder Thinking Machines Lab (@thinkymachines) - VP Research (Post-Training) @openai - Research Scientist at Google Brain

Liam Fedus

@LiamFedus

Building industrial-scale science at @periodiclabs Past: VP of Post-Training @OpenAI; Google Brain

Zoubin Ghahramani

@ZoubinGhahrama1

VP Research, Google DeepMind, ex-head of Google Brain. Professor at University of Cambridge. Machine Learning Researcher. ex-Chief Scientist & VP of AI, Uber.

Aravind Srinivas

@AravSrinivas

CEO @perplexity_ai

Zico Kolter

@zicokolter

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

Igor Babuschkin

@ibab

Prev co-founder @xAI, Research & Engineering

Tim Rocktäschel

@_rockt

Professor of AI @AI_UCL, PI @UCL_DARK, Fellow @ELLISforEurope. Ex @GoogleDeepMind @AIatMeta @CompSciOxford

Matthew Johnson

@SingularMattrix

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

Edward Grefenstette

@egrefen

FR/US/GB AI/ML Person, Director of Research at @GoogleDeepMind, Honorary Professor at @UCL_DARK, @ELLISforEurope Fellow. All posts are personal.

Jeff Clune

@jeffclune

Professor, CS, U. British Columbia. CIFAR AI Chair, Vector Institute. Sr. Advisor, DeepMind | ML, AI, deep RL, deep learning, AI-Generating Algorithms (AI-GAs)

Natasha Jaques

@natashajaques

Assistant Professor leading the Social RL Lab https://socialrl.cs.washington.edu/ @uwcse and Staff Research Scientist at @GoogleAI.

David Dohan

@dmdohan

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

Prafulla Dhariwal

@prafdhar

Technical fellow @OpenAI. Co-creator of GPT-4o, GPT-3, DALL-E 2, Jukebox, Glow, PPO. Previously @MIT '17

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

Max Jaderberg

@maxjaderberg

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

Jakob Foerster

@j_foerst

Associate Prof in ML @UniofOxford. Something Something Research Scientist @MetaAI. Something @FLAIR_Ox. Always #teamhuman. Opinions belong to the world.

Ashish Vaswani

@ashVaswani

Yisong Yue

@yisongyue

Machine Learning @Caltech (@YueLabCaltech). AI for invention at @AsariAILabs.

Jason Weston

@jaseweston

Senior Director & RS @Meta + Visiting Prof NYU | OG in LLMs | Pretrain+Finetune in 2008+ | 148k+ citations | Current: Self-Improving & Co-Improving AI

Ethan Perez

@EthanJPerez

Large language model safety

Sebastian Ruder

@seb_ruder

Research Scientist @AIatMeta MSL • Ex @Cohere @GoogleDeepMind

Kevin Patrick Murphy

@sirbayes

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

Tim Dettmers

@Tim_Dettmers

Creator of bitsandbytes. Professor @CarnegieMellon and Research Scientist @allen_ai . I blog about deep learning and PhD life at http://timdettmers.com.

augustus odena

@gstsdn

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

Luke Zettlemoyer

@LukeZettlemoyer

Brandon Amos

@brandondamos

🧙 RL @Reflection_AI past: @MetaAi @GoogleDeepmind @SCSatCMU @Cornell_Tech

Chris J. Maddison

@cjmaddison

ML faculty @UofT

Denny Zhou

@denny_zhou

Build LLM to reason

Gabriel Synnaeve

@syhw

Nerd & Dad. RL & CodeGen research since before it was cool.

Joelle Pineau

@jpineau1

Chief AI Officer, @cohere Professor of Computer Science, @mcgillu Core academic member, @Mila_Quebec Ex-Meta (FAIR team)

Saining Xie

@sainingxie

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

Shimon Whiteson

@shimon8282

Professor of Computer Science at Oxford.

Andrew Gordon Wilson

@andrewgwils

Machine Learning Professor

Animesh Garg

@animesh_garg

Foundation Models for Generalizable Autonomy in Robotics. Reinforcement Learning. Faculty in AI Robotics @GeorgiaTech. Prev @nvidia @UCberkeley @stanford

Denny Britz

@dennybritz

Human. Ex Google AI, Stanford, Berkeley. Lived in 🇯🇵🇩🇪🇺🇸🇰🇷🇹🇭. Opinions are not really my own.

Rohan Pandey

@khoomeik

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

Yuandong Tian

@tydsh

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

Theo Weber

@theophaneweber

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

Ryan Lowe 🥞

@ryan_t_lowe

full-stack alignment 🥞 @meaningaligned prev: InstructGPT @OpenAI

Prof. Anima Anandkumar

@AnimaAnandkumar

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

Stephen Roller

@stephenroller

MoTS @thinkymachines. previously pre-training @googledeepmind, @character_ai, and @aiatmeta.

Arthur Gretton

@ArthurGretton

Professor in Machine Learning, Gatsby Computational Neuroscience Unit Research Scientist, Google DeepMind http://arthurgretton.bsky.social

Danijar Hafner

@danijarh

Building AI that autonomously understands and interacts with the world. Previous: @GoogleDeepMind @UCBerkeley @UofT

Yann Dubois

@yanndubs

Posttraining @OpenAI | PhD @StanfordAILab

Max Schwarzer

@max_a_schwarzer

Doing RL @AnthropicAI. Formerly VP of Research, Head of Post-Training @OpenAI. PhD with Aaron Courville and Marc Bellmare at Mila.

Ted Sanders

@sandersted

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

Rishabh Agarwal

@agarwl_

Reinforcement Learner @periodiclabs, Adjunct Prof at McGill. Ex Meta, DeepMind, Brain, @iitbombay. NeurIPS Best Paper, On-Policy Distillation

Feryal

@FeryalMP

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

Stephen McAleer

@McaleerStephen

AI researcher at Anthropic

Ali Eslami

@arkitus

Research Scientist at @GoogleDeepMind working on Gemini and Search.

Ofir Nachum

@ofirnachum

Research at @OpenAI. Previously at @GoogleAI on the Brain Team. Doing work on #ReinforcementLearning and #MachineLearning

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.

Ajay Jain

@ajayj_

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

Omar Khattab

@lateinteraction

Asst professor @MIT CSAIL @nlp_mit. Research includes http://ColBERT.ai, http://DSPy.ai (@DSPyOSS), RLMs, and GEPA. Prev: CS PhD @StanfordNLP. Research @Databricks.

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

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.

Abhishek Gupta

@abhishekunique7

Assistant Professor at University of Washington. I like robots, and reinforcement learning. Previously: post-doc at MIT, PhD at Berkeley

Yu Bai

@yubai01

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

Preetum Nakkiran

@PreetumNakkiran

Mirendil

Kamalika Chaudhuri

@kamalikac

Director and Research Scientist, FAIR @ Meta. Former Professor at UCSD. Researcher in AI privacy, security, and generalization.

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

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.

Sebastian Riedel (@riedelcastro@sigmoid.social)

@riedelcastro

Researcher in NLP/ML @deepmind, @ucl_nlp, @riedelcastro@sigmoid.social on Mastodon

Brandon McKinzie

@mckbrando

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

Shuchao Bi

@shuchaobi

Research at Meta Superintelligence Labs, RL/post-training/agents; Previously Research at OpenAI on multimodal and RL; Opinions are my own.

Marlos C. Machado

@MarlosCMachado

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

Erin Grant @ ICLR 2026

@ermgrant

Assistant Professor / Faculty Fellow @NYUDataScience studying cognition in mind & brain with neural nets, Bayes, other tools | http://bsky.app/profile/eringrant.me

heiner

@HeinrichKuttler

ex @xAI, @InflectionAI, @AIatMeta, @DeepMind, @Google, @LMU_Muenchen, PhD math-ph. Opinions my own. (Can be yours for a small fee.)

Kenneth Stanley

@kenneth0stanley

SVP of Open-Endedness @LilaSciences. Prev: Maven CEO, Lead@OpenAI, Uber AI, prof@UCF. NEAT,HyperNEAT,novelty search, POET. Book:Why Greatness Cannot Be Planned

Shunyu Yao

@ShunyuYao12

Language agents

Alex Graveley

@alexgraveley

Co-creator Perplexity Computer, GitHub Copilot, Dropbox Paper. 2x CEO. Thruhiker. Survivor 🎗️

Ethan Caballero

@ethanCaballero

ML @Mila_Quebec ; previously @GoogleDeepMind

Peyman Milanfar

@docmilanfar

Distinguished Scientist at Google. National Academy of Engineering. Computational Imaging ∩ AI. Posts are personal opinions

Jacob Eisenstein

@jacobeisenstein

I post about politics here, research at @jacobeisenstein.bsky.social

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

Denis Yarats

@denisyarats

Cofounder & CTO @perplexity_ai

Andrew Davison

@AjdDavison

From SLAM to Spatial AI; Professor of Robot Vision, Imperial College London; Director of the Dyson Robotics Lab; Co-Founder of Slamcore. FREng, FRS.

Amy Zhang

@yayitsamyzhang

ECE prof. at UT Austin. Works in state abstractions and generalization in RL. Recruiting PhD students for Fall 26.

Omer Levy

@omerlevy_

AI Researcher at Google DeepMind

Pablo Samuel Castro

@pcastr

Señor swesearcher @ Google DeepMind. Adjunct prof @ U de Montreal & Mila. Musician. From 🇪🇨 living in 🇨🇦.

Laurens van der Maaten

@lvdmaaten

Member of Technical Staff at Anthropic. Ex-Meta. t-SNE. Llama 3. DenseNet. Web-scale weakly supervised vision. CrypTen.

Pavel Izmailov

@Pavel_Izmailov

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

David Abel

@dabelcs

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

Russell Kaplan

@russelljkaplan

President @cognition. Past: director of engineering @Scale_AI, startup founder, ML scientist @Tesla Autopilot, researcher @StanfordSVL.

Mihaela Rosca

@MihaelaCRosca

Gemini pre-training. Machine learning PhD from UCL. Views are my own. She/her.

Armand Joulin

@armandjoulin

distinguished scientist, @googledeepmind. ex director of emea at @metaai. led a few open projects: llama, fasttext, dino, and now gemma.

Ricky T. Q. Chen

@RickyTQChen

Research Scientist. Meta. I build simplified abstractions of the world through the lens of dynamics and flows.

Julian Togelius

@togelius

Researcher. AI, games, markets, open-endedness, evolution. Professor @nyuniversity @NYUGameLab Head of AI @the_nof1 Co-founded @modl_ai Rogueliker.

Rafael Rafailov @ NeurIPS

@rm_rafailov

I work on RL at @thinkymachines. Previously at @StanfordAILab @GoogleDeepMind @UCBerkeley

Mike Lewis

@ml_perception

Llama3 pre-training lead. Partially to blame for things like the Cicero Diplomacy bot, BART, RoBERTa, attention sinks, kNN-LM, top-k sampling & Deal Or No Deal.

yobibyte

@y0b1byte

the only yobibyte @ NVIDIA

Yi Ma

@YiMaTweets

Chair Prof. in AI, HKU; Visiting Prof. of EECS, UCB For a Unified Theory of Intelligence: https://ma-lab-berkeley.github.io/deep-representation-learning-book/

Rob Fergus

@rob_fergus

Director, AI Research and Head of FAIR at Meta

Jack Parker-Holder

@jparkerholder

Co-lead of Genie 3 and World Models team lead @GoogleDeepMind, Honorary Associate Professor @UCL_DARK. Dad (🧒👶🐶), CFC fan, BJJ. Views are my own :)

Cas (Stephen Casper)

@StephenLCasper

AI safeguards & gov. research. PhD student @MIT_CSAIL (mnr. Public Policy), and Fellow at @BKCHarvard. Fmr. @AISecurityInst. https://stephencasper.com/

Jesse Mu

@jayelmnop

computational linguistics

Danielle Belgrave

@DaniCMBelg

VP of AI/ML @GSK. Curious about using AI to make the world a better place. Views my own.

Siddharth Karamcheti

@siddkaramcheti

Incoming Assistant Professor @GeorgiaTech / @ICatGT / @GTrobotics. Prev: PhD from @StanfordAILab @stanfordnlp. I like robots, language, and people.

Michela Paganini

@WonderMicky

Staff Research Scientist @DeepMind | LLMs, Evals & Model Understanding | Previously: @facebookAI | @Yale Physics PhD | @CERN | @BerkeleyLab | @UCBerkeley

Kyle Kastner

@kastnerkyle

computers and music are fun

Katja Hofmann

@katjahofmann

At Microsoft Research. Lead of https://aka.ms/game-intelligence - we drive innovation in machine learning with applications in games. https://iclr.cc Board.

Thore Graepel

@ThoreG

Post-AGI research @Deepmind. Prev: AI & ML @Altos_Labs. @DeepMind & @MSFTResearch. #AlphaGo & #TrueSkill, family, music, meditation, Patterns of Thought

Ida Momennejad

@criticalneuro

Principal Researcher @MSFTResearch. I study memory & planning in brains. I build & evaluate AI inspired by the brain.

Rianne van den Berg

@vdbergrianne

Principal research manager at Microsoft Research Amsterdam. Formerly at Google Brain and University of Amsterdam. PhD in condensed matter physics.

Daniel Fried

@dan_fried

Assistant prof. @LTIatCMU @SCSatCMU. Working on NLP: LLM agents, language-to-code, applied pragmatics, grounding.

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.

Alex Rives

@alexrives

AI for scientific discovery. Head of Science, Biohub. Founder and scientific director of the ESM project.

Xiaolong Wang

@xiaolonw

Co-founder of Assured Robot Intelligence (ARI) Associate Professor @UCSDJacobs Postdoc @berkeley_ai PhD @CMU_Robotics

Sarah Catanzaro

@sarahcat21

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

Karthik Narasimhan

@karthik_r_n

Professor@PrincetonCS, ex @OpenAI, @SierraPlatform, @MIT_CSAIL, @iitmadras Work: GPT, ReAct, Tree-of-Thoughts, SWE-Bench/Agent, TAU-bench, GEO

Yilun Du

@du_yilun

Assistant Professor at Harvard @KempnerInst + CS. PhD @MIT_CSAIL, BS MIT. Generative Models, Compositionality, Embodied Agents, Robot Learning.

Lama Ahmad لمى احمد

@_lamaahmad

@OpenAI. views my own.

Stephanie Zhan

@stephzhan

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

Ben Hamner

@benhamner

Sumble co-founder and CTO. Learning high-quality, structured data about the world. Formerly @kaggle

Machel Reid

@machelreid

research scientist @googledeepmind ♊️ post-training/thinking/rl

Peter J. Liu

@peterjliu

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

Qian Huang

@qhwang3

prev @xai | CS PhD student @StanfordAILab (on leave)

Samuel Albanie 🇬🇧

@SamuelAlbanie

frontier evals lead for gemini @GoogleDeepMind

Taelin

@VictorTaelin

Kind / Bend / HVM / INets / λCalculus

Dr. Alex Wissner-Gross

@alexwg

The Innermost Loop, also on Substack (http://alexwg.org/su), LinkedIn (http://alexwg.org/li), Spotify (http://alexwg.org/sp), Threads (http://alexwg.org/th), and YouTube (http://alexwg.org/yt).

Ruxandra Teslo 🧬

@RuxandraTeslo

Clinical Trial Abundance | Fertility | @EmergentVentures | previously: PhD @sangerinstitute | long-form https://www.writingruxandrabio.com/

Sonya Huang 🐥

@sonyatweetybird

Partner @Sequoia

Carina Hong

@CarinaLHong

@axiommathai : careers@axiommath.ai

Brendan McCord 🏛️ x 🤖

@Brendan_McCord

The academy for philosopher-builders (https://www.cosmos-institute.org). A law unto myself, just like you.

Joel Lehman

@joelbot3000

ML researcher, co-author Why Greatness Cannot Be Planned. Creative+safe AI, philosophy. SiR @second_natureai; prev OpenAI / Uber AI / Geometric Intelligence

Rylan Schaeffer

@RylanSchaeffer

AI RS @ Meta TBD. On-Leave from Stanford w/ @sanmikoyejo. Prev @ Gemini, Meta, MIT, Harvard, Uber, UCL, UC Davis

🇺🇦 Alex Polozov

@Skiminok

Member of Technical Staff @reflection_ai • previously @GoogleDeepMind, @Theteamatx, @MSFTResearch, @uwcse • program synthesis, AI for Code & SWE

Ryan Greene

@rabrg

ex @OpenAI

Fan-Yun Sun

@sunfanyun

ceo @moonlake, prev. cs phd @stanfordailab, @nvidiaai

Allison Tam

@allisontam_

research @OpenAI - prev @DeepMind

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

nervouscomputer

@nervouscomputer

iced latte in my veins