Ofir Nachum

hardmaru

@hardmaru

Co-Founder and CEO @SakanaAILabs 🎏

Nando de Freitas

@NandoDF

I seek to understand intelligence and awareness, and build AI aligned with compassion, freedom, universal human empowerment, and progress in law & science.

Chelsea Finn

@chelseabfinn

Asst Prof of CS & EE @Stanford Co-founder of Physical Intelligence @physical_int PhD from @Berkeley_EECS, EECS BS from @MIT

Sergey Levine

@svlevine

Associate Professor at UC Berkeley Co-founder, Physical Intelligence

Sebastien Bubeck

@SebastienBubeck

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

Barret Zoph

@barret_zoph

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

Jason Wei

@_jasonwei

ai researcher @meta superintelligence labs, past: openai, google 🧠

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.

Jascha Sohl-Dickstein

@jaschasd

Member of the technical staff @ Anthropic. Most (in)famous for inventing diffusion models. AI + physics + neuroscience + dynamics.

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

Joshua Achiam

@jachiam0

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

Luke Metz

@Luke_Metz

OpenAI Previously: Thinking Machines, Google Brain

Yee Whye Teh

@yeewhye

Find me @yeewhye@sigmoid.social Professor at @OxCSML, @oxfordstats and Research Director at @GoogleDeepMind. All opinions are my own.

Ben Poole

@poolio

research scientist at google brain. phd in neural nonsense from stanford.

Jack Rae

@jack_w_rae

Distinguished Scientist @ Meta LLMs (e.g. Gopher, Chinchilla, Gemini, Muse) Compression & RL ☯️ Past: Google, OpenAI, Quora

Dustin Tran

@dustinvtran

post-training lead at xAI. ex-google

Sholto Douglas

@_sholtodouglas

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

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.

(((ل()(ل() 'yoav))))👾

@yoavgo

Chelsea Sierra Voss

@csvoss

engineeress ✨ Member of Technical Staff @openai // serious play // past @pilothq, @sendwaveapp, @khanacademy, CS/math @MIT, 2x IBO gold

David Dohan

@dmdohan

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

Tengyu Ma

@tengyuma

Assistant professor at Stanford; Co-founder of Voyage AI (http://voyageai.com) ; Working on ML, DL, RL, LLMs, and their theory.

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

Taco Cohen

@TacoCohen

Slop janitor & post-trainologer at Meta / FAIR. Into codegen, RL, equivariance. Spent time at Qualcomm, Scyfer (acquired), UvA, Deepmind, OpenAI.

David Luan

@jluan

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

Yisong Yue

@yisongyue

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

Shengjia Zhao

@shengjia_zhao

Chief Scientist @ Meta MSL. Formerly MTS @ OpenAI, PhD @ Stanford. I train models. All opinions my own.

Marc G. Bellemare

@marcgbellemare

CSO & co-founder, Reliant AI. Ex RL research lead at Google Brain, DeepMind. Known for Atari 2600 RL benchmark, Distributional RL (MIT Press 2023).

Brandon Amos

@brandondamos

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

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🤠

Yang Song

@DrYangSong

Research Principal of MSL

Mo Bavarian

@mobav0

Scaling up RL at OpenAI 🍓 Optimization and long context research before. Math PhD, MIT.

Azalia Mirhoseini

@Azaliamirh

Founder @RicursiveAI, Asst. Prof. of CS at Stanford. Prev: DeepMind, Anthropic, Brain. Co-Creator of MoEs, AlphaChip, Test Time Scaling Laws.

Denny Zhou

@denny_zhou

Build LLM to reason

Joelle Pineau

@jpineau1

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

Hyung Won Chung

@hwchung27

AI Research Scientist @Meta Superintelligence Labs. Past: @OpenAI / @Google Brain / PhD @MIT

Scott Gray

@scottgray76

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

Hongyu Ren

@ren_hongyu

research @meta superintelligence. CS PhD @stanford. prev @openai.

Animesh Garg

@animesh_garg

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

Mohammad Norouzi

@mo_norouzi

co-founder and ceo @ideogram_ai

Misha Denil

@notmisha

I tweet about things that interest me, mostly machine learning things. ex-DeepMind.

Arvind Neelakantan

@arvind_io

Research Scientist, @GoogleDeepMind Past: @AIatMeta , @OpenAI, @Google Brain PhD @UMassAmherst

Yuhuai (Tony) Wu

@Yuhu_ai_

know thyself. co-founder @xai.

Tom Goldstein

@tomgoldsteincs

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

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.

Prof. Anima Anandkumar

@AnimaAnandkumar

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

Karol Hausman

@hausman_k

@Physical_int

Danijar Hafner

@danijarh

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

Eric

@ericmitchellai

chatgpt posttraining @openai. building personal agi. I like ai and music and some other stuff

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

Tao Xu

@txhf

Learning Machine at OpenAI

Sam Schoenholz

@sschoenholz

@openai previously: @thinkymachines, google brain.

Feryal

@FeryalMP

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

Stephen McAleer

@McaleerStephen

AI researcher at Anthropic

Ed H. Chi

@edchi

Research VP @ GoogleDeepMind. ACM Fellow.

Honglak Lee

@honglaklee

Co-Head (Executive VP and Chief Scientist) of LG AI Research; Professor of CSE, U. Michigan, Ann Arbor; Ex-Google Brain; Sloan Research Fellow

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

Dorsa Sadigh

@DorsaSadigh

CS Faculty @Stanford, @StanfordAILab, @StanfordHAI Research scientist @GoogleDeepMind PhD and BS from @Berkeley_EECS

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.

Jiahui Yu

@jhyuxm

Lead Multimodal @Meta Superintelligence Lab. Previously led Perception @OpenAI; co-led Gemini Multimodal @GoogleDeepMind.

Abhishek Gupta

@abhishekunique7

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

Hattie Zhou

@oh_that_hat

I want to understand things deeply and explain them well. Building friendly AI @AnthropicAI Give me anonymous feedback: https://www.admonymous.co/hattiezhou

Yu Bai

@yubai01

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

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.

Brandon McKinzie

@mckbrando

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

Hanie Sedghi

@HanieSedghi

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

Shuchao Bi

@shuchaobi

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

Misha Laskin

@MishaLaskin

co-founder, ceo @reflection_ai

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

Alex Graveley

@alexgraveley

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

Ethan Caballero

@ethanCaballero

ML @Mila_Quebec ; previously @GoogleDeepMind

Lerrel Pinto

@LerrelPinto

Making robots more dexterous, robust and general. Co-founder of Assured Robot Intelligence (ARI)

Markus Wulfmeier

@m_wulfmeier

Chief Scientist #Nomagic - Prev. AI & Robotics @GoogleDeepMind @oxfordrobots @berkeley_ai @ETH @MIT - European @ELLISforEurope

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.

Corey Lynch

@coreylynch

Director of AI at @figure_robot, building Helix 🧬

Peter Chen

@peterxichen

Building general purpose robotics at Amazon FAR. Previously Covariant CEO and Co-Founder, @OpenAI, @UCBerkeley PhD.

Amy Zhang

@yayitsamyzhang

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

George Tucker

@georgejtucker

Researcher at Google Brain, thinking about RL and sequence models

Yasaman Bahri

@yasamanbb

Research Scientist @GoogleDeepMind // AI + physics // Ph.D. @UCBerkeley.

Yash Patil

@ypatil125

Co-Founder, CEO @appliedcompute prev: @OpenAI, @Stanford

Sherry Yang

@sherryyangML

Staff Research Scientist @GoogleDeepMind; Assistant Professor @NYU_Courant. Previously Post-Doc @Stanford, PhD @UCBerkeley, M.Eng. / B.S. @MIT.

Gergely Neu

@neu_rips

ML theory nerd & AI non-enthusiast

Jiaming Song

@baaadas

Chief Scientist @LumaLabsAI. #LumaDreamMachine

Pablo Samuel Castro

@pcastr

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

David Sussillo

@SussilloDavid

Neural reverse engineer. Author. Adjunct prof at Stanford. Previous: Meta Reality Labs, Google Brain Milton Hershey Alum.

Laurens van der Maaten

@lvdmaaten

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

jasmine collins

@jazco

research scientist @databricks! previously @berkeley_ai phd, @googleai and @metaai. interested in human brains and computer brains 💫

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

David Abel

@dabelcs

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

Roberta Raileanu

@robertarail

Open-Ended Team Lead and Senior Staff Research Scientist @GoogleDeepMind. Honorary Lecturer @UCL. ex @Meta | @NYU | @Princeton.

Demi Guo

@demi_guo_

Co-founder & CEO @pika_labs | AI Self @semi_guo_

Ricky T. Q. Chen

@RickyTQChen

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

Simon Shaolei Du

@SimonShaoleiDu

Reasoning Chief Scientist @miromind_ai. Associate Professor @uwcse. Prev @xai. Postdoc @the_IAS. PhD in machine learning @mldcmu.

Reiichiro Nakano

@reiinakano

i like building awesome things with awesome people 🇵🇭 🇯🇵

Rafael Rafailov @ NeurIPS

@rm_rafailov

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

Ekin Dogus Cubuk

@ekindogus

Co-Founder of @periodiclabs Past: Lead of materials science and chemistry at @GoogleDeepMind; Google Brain

yobibyte

@y0b1byte

the only yobibyte @ NVIDIA

Ruiqi Gao

@RuiqiGao

Research scientist @GoogleDeepmind | Mom of Mochi.

Jacob Buckman

@jacobmbuckman

Founder @manifest__ai. PhD candidate @MILAMontreal. Formerly @jhuclsp, @GoogleAI, @SCSatCMU.

Brendan O'Donoghue

@bodonoghue85

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

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 :)

Ted Xiao

@xiao_ted

Founding Member of Technical Staff at Project Prometheus. Previously Gemini, Robotics @GoogleDeepMind. Posts about frontier models, physical AGI, and scaling.

Konstantinos Bousmalis

@bousmalis

Research Scientist at DeepMind, working on robotic learning

alth0u🧶

@alth0u

general partner at a16z art is a line through your thoughts erstwhile child

Caglar Gulcehre

@caglarml

Scientist MAI, Prof @ EPFL, Ex-research scientist @ DeepMind, MSR, IBM Socials: https://bsky.app/profile/caglarai.bsky.social, http://mastodon.social/@caglarml

Neal Wu

@neal_wu

@thinkymachines, prev new stealth co, @cognition, @tryramp, @GoogleBrain, competitive programming

Siddharth Karamcheti

@siddkaramcheti

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

Keerthana Gopalakrishnan

@keerthanpg

Research Lead Gemini Robotics @GoogleDeepmind. Author of "AI for Robotics" book. Opinions my own.

Fei Xia

@xf1280

Ex Research Scientist, TLM at @GoogleDeepMind, ✨♊, Gemini & Robotics, PhD from @StanfordAILab @StanfordSVL, previously @Tsinghua_Uni. #AGI through Embodiment

Andy Zeng

@andyzengineer

Building robot foundation models @GeneralistAI. Prev @GoogleDeepMind, PhD @Princeton. One experiment away from magic. ✗DMs → email

Casey Chu

@caseychu9

Researcher at @openai

Kyle Kastner

@kastnerkyle

computers and music are fun

Anna Harutyunyan | Աննա Հարությունյան

@aharutyu

researcher, philosopher, witch. rl @ deepmind. opinions my own

Lihong Li

@LihongLi20

AI Research Scientist working on Reinforcement Learning, Large Language Models, and Recommendation Systems.

Kevin Zakka

@kevin_zakka

phding @Berkeley_AI

Aleksandra Faust

@AleksandraFaust

Foundation Models & AI Agents for the Real World | AI Innovation from Inception to Societal Impact | @genesismolai • @GoogleDeepMind • @Waymo • @SandiaLabs

Bo Dai

@daibond_alpha

Assistant Professor at @gtcse, Research Scientist at @GoogleDeepMind | ex @googlebrain

Dave

@dece

Samuel L Smith

@SamuelMLSmith

Member of Technical Staff at OpenAI. Formerly Staff Research Scientist at Google DeepMind. Ex-Physicist.

Tim Vieira

@xtimv

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

Vikash Kumar

@Vikashplus

Building Human-embodied Intelligence. CEO @MyoLabAI | Sr. research scientist @OpenAI @GoogleAI @AIatMeta | @berkeley_ai @UWcse #MuJoCo | Ad. Prof. @CMU_Robotic

Yilun Du

@du_yilun

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

Lili Yu

@liliyu_lili

MTS @thinkymachines ｜Multimodal: Megabyte, Chameleon, Transfusion, MOT, LLMFusion ｜Ex: RS @physical_int @AIatMeta (FAIR) , Phd @MIT

Toby Shevlane

@tshevl

@_Mantic_AI cofounder & CEO, on a mission to solve forecasting. Prev: research scientist @GoogleDeepMind, PhD at @UniofOxford.

Machel Reid

@machelreid

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

Jared Palmer

@jaredpalmer

VP CoreAI @Microsoft Previously, VP of AI @Vercel. Creator of @v0 and @aisdk. Founder of @Turborepo (acquired by Vercel)

Jay Hack

@mathemagic1an

Head of AI @clickup. Tweets about AI, computing and knowledge work. Previously founder @codegen / ML @palantir / CS @stanford. Not a pseudonym.

Thomas Dimson

@turtlesoupy

Technical Staff @OpenAI. Former CEO @illdotinc (acq. OpenAI). Authored “the algorithm” @Instagram. 🇨🇦. Purple monkey dishwasher.

Rylan Schaeffer

@RylanSchaeffer

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

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

Suvansh Sanjeev

@SuvanshSanjeev

Research @OpenAI. ex-🤖 @berkeley_ai, @CMU_Robotics. Teamwork makes the dream work, and Dreamworks makes Shrek.

Roy Frostig

@froystig

research scientist at @googledeepmind. co-author of JAX (https://github.com/jax-ml/jax)