155 TOP FOLLOWERS · 1.176 GRAVITY · 5.8K FOLLOWERS
“Gemini pre-training & post-training
Lisa Lee (@rl_agent) is a Staff Research Scientist at Google DeepMind focused on deep reinforcement learning, embodied agents, and Gemini pre/post-training. Tagged Researcher because her identity centers on papers, RL research, and industry lab contributions rather than founding, safety, or academic faculty roles.
Noam Brown
@polynoamial
Researching reasoning @OpenAI | Co-created Libratus/Pluribus superhuman poker AIs, CICERO Diplomacy AI, and OpenAI o3 / o1 / 🍓 reasoning models
Dan Roy
@roydanroy
@Google DeepMind. On leave, Canada CIFAR AI Chair and Former Research Director, @VectorInst. Professor, @UofT (Statistics/CS). Views are my own.
Tim Rocktäschel
@_rockt
Co-Founder @Recursive_SI, Professor of AI @AI_UCL, PI @UCL_DARK, Fellow @ELLISforEurope. Ex @GoogleDeepMind @AIatMeta @CompSciOxford
Liam Fedus
@LiamFedus
Building industrial-scale science at @periodiclabs Past: VP of Post-Training @OpenAI; Google Brain
Barret Zoph
@barret_zoph
@openai Past: - CTO & Co-Founder Thinking Machines Lab (@thinkymachines) - VP Research (Post-Training) @openai - Research Scientist at Google Brain
Zico Kolter
@zicokolter
Professor and Head of Machine Learning Department at @CarnegieMellon. Board member @OpenAI and @Qualcomm. Chief Scientist @GraySwanAI.
Luke Metz
@Luke_Metz
OpenAI Previously: Thinking Machines, Google Brain
Natasha Jaques
@natashajaques
Assistant Professor leading the Social RL Lab https://socialrl.cs.washington.edu/ @uwcse and Staff Research Scientist at @GoogleAI.
Taco Cohen
@TacoCohen
Slop janitor & post-trainologer at Meta / FAIR. Into codegen, RL, equivariance. Spent time at Qualcomm, Scyfer (acquired), UvA, Deepmind, OpenAI.
Yisong Yue
@yisongyue
Machine Learning @Caltech (@YueLabCaltech). AI for invention at @AsariAILabs.
Charles Sutton
@RandomlyWalking
Research scientist @GoogleAI / Previously academic @InfAtEd / Deep learning to help people write code. / @chas@sigmoid.social / ❤️s:🐱🐶☕️🍕
Jakob Foerster
@j_foerst
Associate Prof in ML @UniofOxford. Something Something Research Scientist @MetaAI. Something @FLAIR_Ox. Always #teamhuman. Opinions belong to the world.
Denny Zhou
@denny_zhou
Build LLM to reason
Ethan Perez
@EthanJPerez
Alignment team lead at Anthropic
Catherine Olsson
@catherineols
Hanging out with Claude, improving its behavior, and building tools to support that @AnthropicAI 😁 prev: @open_phil @googlebrain @openai (@microcovid)
Dumitru Erhan
@doomie
Co-lead of Veo @GoogleDeepMind. Senior Research Director.
Thomas Kipf
@tkipf
Sr. Staff RS at @GoogleDeepMind. Veo Team. Priors: GNNs, Structured World Models, Neural Assets, Veo Ingredients/References, Veo Robotics
Danilo J. Rezende
@DaniloJRezende
VP of AI Research, Principal Scientist @ EIT | ex-Director @ DeepMind Building models to accelerate fundamental sciences and medicine. Opinions my own.
Tom Goldstein
@tomgoldsteincs
Professor at UMD. AI security & privacy, algorithmic bias, foundations of ML. Follow me for commentary on state-of-the-art AI.
Yang Song
@DrYangSong
Research Principal of MSL
Joelle Pineau
@jpineau1
Chief AI Officer, @cohere Professor of Computer Science, @mcgillu Core academic member, @Mila_Quebec Ex-Meta (FAIR team)
Yuhuai (Tony) Wu
@Yuhu_ai_
know thyself. co-founder @xai.
Pang Wei Koh
@PangWeiKoh
Assistant professor at @uwcse and research scientist at @allen_ai. Formerly @StanfordAILab @GoogleAI @Coursera. 🇸🇬
Mostafa Dehghani
@m__dehghani
/google_deepmind/gemini/.
Danijar Hafner
@danijarh
Building AI that autonomously understands and interacts with the world. Previous: @GoogleDeepMind @UCBerkeley @UofT
Zhiqing Sun
@EdwardSun0909
Lead Agents @Meta MSL TBD Lab. previously posttraining/agent research @OpenAI. CS PhD @LTIatCMU
Stephen Roller
@stephenroller
MTS @thinkymachines. previously pre-training @googledeepmind, @character_ai, and @aiatmeta.
Misha Denil
@notmisha
I tweet about things that interest me, mostly machine learning things. ex-DeepMind.
Stephen McAleer
@McaleerStephen
AI researcher at Anthropic
Jiajun Wu
@jiajunwu_cs
Assistant Professor at @Stanford CS
Rafael Rafailov @ NeurIPS
@rm_rafailov
I work on RL at @thinkymachines. Previously at @StanfordAILab @GoogleDeepMind @UCBerkeley
Weijia Shi
@WeijiaShi2
PhD student @uwnlp | Prev @allen_ai @MetaAI @CS_UCLA | 🏠 http://weijiashi.notion.site
Jesse Dodge
@JesseDodge
Research Scientist at Meta. 10-yr test-of-time ACL 22, Best Demo ACL 25, Best Resource Paper ACL 24, Best Theme Paper ACL 24, Best Student Paper NAACL 15 🏳️🌈
Roberta Raileanu
@robertarail
Open-Ended Team Lead and Senior Staff Research Scientist @GoogleDeepMind. Honorary Lecturer @UCL. ex @Meta | @NYU | @Princeton.
Feryal
@FeryalMP
Staff Research Scientist @DeepMind, Self-improvement in Gemini ♊️
Yu Bai
@yubai01
Training Accelerations @OpenAI. Previously @SFResearch, PhD @Stanford.
Aditya Grover
@adityagrover_
CTO & Co-Founder @_inception_ai. AI Prof @UCLA. CS PhD @Stanford. Denoising intelligence.
Theo Weber
@theophaneweber
Research scientist @ DeepMind; currently working on thinking/reasoning in Gemini.
Alex Graveley
@alexgraveley
Co-creator Perplexity Computer, GitHub Copilot, Dropbox Paper. 2x CEO. Thruhiker. Survivor 🎗️
Devendra Chaplot
@dchaplot
Building superintelligence @xai
Yao Fu
@Francis_YAO_
Scaling @xAI. Previously Gemini 3 perception and project Astra @GoogleDeepMind
Rylan Schaeffer
@RylanSchaeffer
AI RS @ Meta TBD. On-Leave from Stanford w/ @sanmikoyejo. Prev @ Gemini, Meta, MIT, Harvard, Uber, UCL, UC Davis
Machel Reid
@machelreid
research scientist @googledeepmind ♊️ post-training/thinking/rl
Alexia Jolicoeur-Martineau
@jm_alexia
AI Researcher 🐱💻 2025 ARC Prize Winner I build generative AI for images, videos, text, tabular data, weights, molecules, and video games.
Sebastian Gehrmann
@sebgehr
Making AI trustworthy as Head of Responsible AI in the CTOs office @Bloomberg. Formerly LLMs @ Google Brain / PhD @ Harvard. views my own
Adam Coates
@adampaulcoates
Has AI made the world better yet? Let's get on that. Director at Apple. Fmr Stanford PhD, Director Baidu SVAIL, @khoslaventures. #deeplearning #HPC #AI
Jiaming Song
@baaadas
Chief Scientist @LumaLabsAI. #LumaDreamMachine
Sean Welleck
@wellecks
Assistant Professor at CMU. Marathoner, @thesisreview.
Ofir Nachum
@ofirnachum
Research at @OpenAI. Previously at @GoogleAI on the Brain Team. Doing work on #ReinforcementLearning and #MachineLearning
Siddharth Karamcheti
@siddkaramcheti
Incoming Assistant Professor @GeorgiaTech / @ICatGT / @GTrobotics. Prev: PhD from @StanfordAILab @stanfordnlp. I like robots, language, and people.