Denis Yarats

John Schulman

@johnschulman2

Recently started @thinkymachines. Interested in reinforcement learning, alignment, birds, jazz music

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.

Soumith Chintala

@soumithchintala

Building new things @thinkymachines. Also dabble in robotics at NYU. Cofounded @PyTorch. AI is delicious when it is accessible and open-source.

Noam Brown

@polynoamial

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

Nat Friedman

@natfriedman

http://nat.org

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.

Alexandr Wang

@alexandr_wang

chief ai officer @meta, founder @scale_ai. rational in the fullness of time

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

Aravind Srinivas

@AravSrinivas

CEO @perplexity_ai

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

Catherine Olsson

@catherineols

Hanging out with Claude, improving its behavior, and building tools to support that @AnthropicAI 😁 prev: @open_phil @googlebrain @openai (@microcovid)

Jacob Andreas

@jacobandreas

Teaching computers to read. Assoc. prof @MITEECS / @MIT_CSAIL / @NLP_MIT (he/him). http://lingo.csail.mit.edu http://web.mit.edu/jda/www

Aran Komatsuzaki

@arankomatsuzaki

Sharing AI research. Early work on AI (GPT-J, LAION, scaling, MoE). Ex ML PhD (GT) & Google.

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.

Smerity

@Smerity

ML x society. Founding Member of Technical Staff at Project Prometheus. Prev @midjourney, @SFResearch, @CommonCrawl. @Harvard '14, @Sydney_Uni '11. 🇦🇺 in SF.

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

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

Nathan Lambert

@natolambert

Research @allen_ai, reasoning, open models, RL(VR/HF)... Contact via email. Writes @interconnectsai, @readsail Wrote The RLHF Book, 🏔️🏃‍♂️

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

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

Adam D'Angelo

@adamdangelo

CEO of Quora, working on Poe: @poe_platform

swyx 🇸🇬

@swyx

achieve ambition with intentionality, intensity, integrity & insanity. affiliations: - @dxtipshq - @cognition - @temporalio - @aidotengineer - @latentspacepod

Chris J. Maddison

@cjmaddison

ML faculty @UofT

Gabriel Synnaeve

@syhw

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

Bill Gurley

@bgurley

Founder/President @p3institute Author: Runnin' Down a Dream, pre-order link below! VC @benchmark Trustee @sfiscience

Saining Xie

@sainingxie

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

Andrew Gordon Wilson

@andrewgwils

Machine Learning Professor

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.

Kyle Cranmer

@KyleCranmer

Director Data Science Institute @UWMadison @datascience_uw. EiC @MLSTjournal. Physics, stats/ML/AI, open science. same handle @sigmoid.social and bsky

Stephen Roller

@stephenroller

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

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.

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

Feryal

@FeryalMP

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

Alexis Conneau

@alex_conneau

Co-founder and CEO http://waveforms.ai (@WaveFormsAI) - Ex @OpenAI GPT-4o/AVM Audio Research Lead - #Her #TARS - Ex @AIatMeta, @Polytechnique (X11)

Stephen McAleer

@McaleerStephen

AI researcher at Anthropic

Ofir Nachum

@ofirnachum

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

Andy Brock

@ajmooch

Dimensionality Diabolist, Seeker of Optima

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

Sherwin Wu

@sherwinwu

@OpenAI

Patrick Hsu

@pdhsu

@ArcInstitute co-founder, @BerkeleyBioE professor, @ThriveCapital investor | biology and ML research | 🇨🇦 prev @harvard @broadinstitute, Fast Grants

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.

Sharif Shameem

@sharifshameem

playing with models @openai

Kevin Lu

@_kevinlu

Research @thinkymachines

Junyang Lin

@JustinLin610

❤️ 🍵 ☕️ 🍷 🥃 🍺

Misha Laskin

@MishaLaskin

co-founder, ceo @reflection_ai

heiner

@HeinrichKuttler

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

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)

Aditya Grover

@adityagrover_

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

Brenden Lake

@LakeBrenden

Associate Professor of Computer Science and Psychology @ Princeton. Posts are my views only

Markus Wulfmeier

@m_wulfmeier

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

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

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.

Jelani Nelson

@minilek

Professor and Department Chair @Berkeley_EECS. Research Scientist (part-time) @GoogleResearch. Founder @addiscoder. Posts are personal views. 🇻🇮🇺🇸🇪🇹

Sherry Yang

@sherryyangML

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

Matt Shumer

@mattshumer_

Investor in @GroqInc @Etched @Rork @DaytonaIO @OpenRouter + more. Prev: CEO @HyperWriteAI, @OthersideAI Try: http://agent-s.app Press: mattshumermedia@gmail.com

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 🇺🇦

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_

Armand Joulin

@armandjoulin

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

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.

Chenlin Meng

@chenlin_meng

Co-founder & CTO @pika_labs | ex @StanfordAILab @Stanford | Hiring: Head of Engineering and Senior Engineer

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

Rob Fergus

@rob_fergus

Director, AI Research and Head of FAIR at Meta

Michael Chang

@mmmbchang

Amplify human creativity with Sora @openai Prev: Gemini and Project Astra @GoogleDeepMind, @LangChainAI, @MetaAI, @SchmidhuberAI PhD @berkeley_ai BS @MIT

Ross Wightman

@wightmanr

AI / Computer Vision. Ex head of Software, Firmware Engineering at a Canadian 🦄. Building AI systems or investing in startups that do it better.

Devendra Chaplot

@dchaplot

Building superintelligence @xai

Ross

@rpoo

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 :)

Scott Wu

@ScottWu46

Building @cognition

Siddharth Karamcheti

@siddkaramcheti

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

Gill Verdon

@GillVerd

Founder & CEO @extropic

Michela Paganini

@WonderMicky

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

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.

Jacob Jackson

@jbfja

@cursor_ai, created https://same.energy, started @SupermavenAI and @Tabnine, formerly @OpenAI

will brown

@willccbb

reward hacking @primeintellect

Marco Mascorro

@Mascobot

Researching LLMs | Roboticist | Prev: Partner @a16z (inv: @cursor_ai, @thinkymachines, @bfl_ml, @WaveFormsAI, @deeptuneai, etc), cofounder @Fellow_AI

Bo Dai

@daibond_alpha

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

Kevin Kwok

@kevinakwok

Vikash Kumar

@Vikashplus

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

Nan Rosemary Ke

@rosemary_ke

Staff Research Scientist @Google_Deepmind. PhD at @MILA. Attending Neurips 2025!

Alex Rives

@alexrives

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

shyamal

@shyamalanadkat

applied AI. prev @openai @dukeu. explorer in the age of research 🇮🇳

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

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

Peter J. Liu

@peterjliu

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

Kevin Rose

@kevinrose

building at @basic_in_ | Podcasts: The Kevin Rose Show, Random Show w/ @tferriss. | Ex: @google, Board of Directors: @ouraring, @hodinkee

Gergely Orosz

@GergelyOrosz

Writing @Pragmatic_Eng, the #1 software engineering newsletter on Substack. Author of @EngGuidebook. Formerly Uber & Skype.

Chubby♨️

@kimmonismus

Dream realized! Turned my love for AI into a career - sharing daily. Get my newsletter (225k+ subs): 🔗 https://linktr.ee/kimmonismus //📧 kim@getsuperintel.com

Jerry Liu

@jerryjliu0

Parsing the world's hardest PDFs @llama_index. cofounder/CEO Careers: https://www.llamaindex.ai/careers Enterprise: https://www.llamaindex.ai/contact

andrew gao

@itsandrewgao

@cognition @stanford; prev @sequoia @LangChain @pika_labs; Z Fellow 🇺🇸; views my own

Ting Chen

@tingchenai

building multimodal AGI

Jerry Wei

@JerryWeiAI

Aligning AIs at @AnthropicAI ⏰ Past: @GoogleDeepMind, @Stanford, @Google Brain

Aaron Defazio

@aaron_defazio

Research Scientist at Meta Superintelligence Labs working on optimization algorithms. Fundamental AI Research (FAIR) team

Abhi Venigalla

@ml_hardware

Researcher @Databricks. Former @MosaicML, @CerebrasSystems. Addicted to all things compute.

Rylan Schaeffer

@RylanSchaeffer

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

Hao Liu

@haoliuhl

Ashvin Nair

@ashvinair

RL foundations @cursor_ai. Prev: o1, o3, Code Interpreter @openai, 9 years learning to poke by poking at UC Berkeley