Pablo Samuel Castro

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.

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.

Thomas G. Dietterich

@tdietterich

Distinguished Professor (Emeritus), Oregon State Univ.; Former President, Assoc. for the Adv. of Artificial Intelligence; Robust AI & Comput. Sustainability

Liam Fedus

@LiamFedus

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

Sander Dieleman

@sedielem

Research Scientist at Google DeepMind (WaveNet, Imagen, Veo). I tweet about deep learning (research + software), music, generative models (personal account).

Jascha Sohl-Dickstein

@jaschasd

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

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.

Zico Kolter

@zicokolter

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

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)

Matthew Johnson

@SingularMattrix

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

Susan Zhang

@suchenzang

@ Google Deepmind. Past: @MetaAI, @OpenAI, @unitygames, @losalamosnatlab, @Princeton etc. Always hungry for intelligence.

rohan anil

@_arohan_

member of technical staff & co-founder of @coreautoai - and continuing to aspire to understand deep learning.

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.

Natasha Jaques

@natashajaques

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

Prafulla Dhariwal

@prafdhar

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

Jakob Foerster

@j_foerst

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

David Pfau

@pfau

Knowledge manifests itself in radiant dreams that shimmer like the wild sun Views are my own http://davidpfau.com on 🦋

Nathan Lambert

@natolambert

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

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.

Hanna Wallach (@hannawallach.bsky.social)

@hannawallach

Microsoft Research NYC. Fairness, accountability & transparency in AI/ML. NeurIPS & ICML board member, WiML co-founder, sloth enthusiast. She/her.

Behnam Neyshabur

@bneyshabur

something new 💼 Past: Co-leading AI Scientist effort @AnthropicAI (Discovery team), Gemini @GoogleDeepMind (Co-led Blueshift team) 🎒Traveling & Backpacking

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

Charles Sutton

@RandomlyWalking

Research scientist @GoogleAI / Previously academic @InfAtEd / Deep learning to help people write code. / @chas@sigmoid.social / ❤️s:🐱🐶☕️🍕

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).

Kevin Patrick Murphy

@sirbayes

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

Rosanne Liu

@savvyRL

Mom. Cofounded & running @ml_collective. Co-host of Deep Learning Classics & Trends. Research at Google DeepMind. DEI/DIA Chair of ICLR & NeurIPS.

👩‍💻 Paige Bailey

@DynamicWebPaige

✨ AI should be about empowering humans, building understanding, and making dreams realities. 👩‍💻 DevX Eng. Lead @GoogleDeepMind ex-@GitHub || views = my own!

Luke Zettlemoyer

@LukeZettlemoyer

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🤠

Thomas Kipf

@tkipf

Sr. Staff RS at @GoogleDeepMind. Veo Team. Priors: GNNs, Structured World Models, Neural Assets, Veo Ingredients/References, Veo Robotics

Douglas Eck

@douglas_eck

Google DeepMind lead and recovering faculty member. Sometimes a musician. http://g.co/magenta. My personal opinions.

MMitchell

@mmitchell_ai

Interdisciplinary researcher focused on shaping AI towards long-term positive goals. ML & Ethics. Similar content in the Skies (this bird has flown).

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)

Shimon Whiteson

@shimon8282

Professor of Computer Science at Oxford.

Mohammad Norouzi

@mo_norouzi

co-founder and ceo @ideogram_ai

Ian Osband

@IanOsband

Research scientist at DeepMind (ex OpenAI, Stanford) working on decision making under uncertainty.

Denny Britz

@dennybritz

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

Alex Dimakis

@AlexGDimakis

Professor, UC berkeley | Founder @bespokelabsai |

Tom Goldstein

@tomgoldsteincs

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

Mark Riedl

@mark_riedl

AI for storytelling, games, explainability, safety, ethics. Professor @GeorgiaTech. Associate Director @MLatGT. Time travel expert. Geek. Dad. he/him

Theo Weber

@theophaneweber

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

Christine McLeavey

@mcleavey

@openai audio team: gpt-4o, jukebox & musenet

Deb Raji

@rajiinio

AI accountability, audits & eval. Keen on participation & practical outcomes. CS PhDing @UCBerkeley. forever @AJLUnited, @hashtag_include ✝️

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 ♊️

Stephen McAleer

@McaleerStephen

AI researcher at Anthropic

Ali Eslami

@arkitus

Research Scientist at @GoogleDeepMind working on Gemini and Search.

Laurent Dinh

@laurent_dinh

Internet pedestrian. ✨Content creator✨ (ML researcher). Tweets were not peer reviewed. (he/him/his). Bluesky: https://bsky.app/profile/laurentdinh.bsky.social

Ofir Nachum

@ofirnachum

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

Nick Frosst

@nickfrosst

cofounder @cohere - singer @goodkidband

Pliny the Liberator 🐉󠅫󠄼󠄿󠅆󠄵󠄐󠅀󠄼󠄹󠄾󠅉󠅭

@elder_plinius

⊰•-•⦑ latent space steward ❦ prompt incanter 𓃹 hacker of matrices ⊞ breaker of markov chains ☣︎ ai danger researcher ⚔︎ bt6 ⚕︎ architect-healer ⦒•-•⊱

Jason Baldridge

@jasonbaldridge

Research scientist at Google in Austin working on grounded language understanding.

Ajay Jain

@ajayj_

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

Dileep George

@dileeplearning

Head of AI @AsteraInstitute Prev: AGI @DeepMind, cofounder @vicariousai (acqd by Alphabet), cofounder @Numenta. IIT-Bombay, MS&PhD Stanford. http://www.agicomics.net

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.

Gabriel Peyré

@gabrielpeyre

@CNRS researcher at @ENS_ULM. One tweet a day on computational mathematics.

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

Jason Yosinski

@jasonyo

Running experiments @OpenAI + @ml_collective. Prev: @Windscape_AI, Uber AI Labs founding team, adviser @RecursionPharma, Cornell, Montreal, Caltech 🌻

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.

Andrew Lampinen

@AndrewLampinen

Interested in cognition and artificial intelligence. MTS at @AnthropicAI. Previously @DeepMind, cognitive science @StanfordPsych. Tweets are mine.

Adam Roberts

@ada_rob

Principal Scientist @ Google DeepMind :: 🌈psychedelic ai :: 📝 Foundational LLM work: TL for T5 & C4, core PaLM :: 👨‍💻 TL for T5x & SeqIO

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

Jacob Austin

@jacobaustin132

I sometimes do AI research. I also play piano and climb. NYC. Previously @GoogleDeepMind, @Google Brain. Opinions my own

Blake Richards

@tyrell_turing

Researcher at @mcgillu combining AI and neuroscience. Also on Bluesky (@tyrellturing.bsky.social) and Mastodon: @tyrell_turing@fediscience.org.

Gautam Kamath

@thegautamkamath

Assistant Prof of CS @UWaterloo, Faculty @VectorInst, Canada @CIFAR_News AI Chair. Joining @NYU_Courant Fall 2026. Co-EiC @TmlrOrg. I lead @TheSalonML.

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

Jasper

@latentjasper

Dad, husband, machine learning researcher. Research Scientist @ Google Brain.

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

Ethan Caballero

@ethanCaballero

ML @Mila_Quebec ; previously @GoogleDeepMind

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

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.

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

Yaroslav Bulatov

@yaroslavvb

@southparkcommons (early OpenAI, Google Brain, Meta) https://yaroslavvb.substack.com/ https://medium.com/@yaroslavvb https://yaroslavvb.blogspot.com/

Songlin Yang

@SonglinYang4

pretraining @thinkymachines. Prev. PhD @MIT_CSAIL. she/her/hers

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.

Abeba Birhane

@Abebab

@abeba.bsky.social

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.

Ankur Handa

@ankurhandos

Robotics Researcher @NvidiaAI. Co-lead the dex team focussed on superhuman dexterity. Previously, Researcher at @OpenAI

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

Michael Chang

@mmmbchang

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

Jacob Buckman

@jacobmbuckman

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

Hossein Mobahi

@TheGradient

Rεsεαrch Sciεητisτ @GoogleDeepMind. I ∈ Optimization ∩ Machine Learning. Here to discuss research 🤓. Like heavy music🤘.Origin=🇮🇷 Citizen=🇺🇸.

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.

Zachary Nado

@zacharynado

Research eng @GoogleDeepMind on Gemini pretrain. Personal acct. Past: swe intern @SpaceX, ugrad researcher in @tserre lab @BrownUniversity. All opinions my own.

Neil Houlsby

@neilhoulsby

Member of Technical Staff at Anthropic Amateur athlete https://scholar.google.com/citations?user=sm1-TZMAAAAJ&hl=en

Frank Dellaert

@fdellaert

Robotics & Computer Vision Professor at Georgia Tech, and part-time CAIO at Verdant Robotics. Before: stints at KUL, Skydio, Facebook B*8, Google AI.

Simon Kornblith

@skornblith

researcher/engineer @AnthropicAI | former @GoogleDeepMind @mitbrainandcog @zotero | @simonster@sigmoid.social

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

Danielle Belgrave

@DaniCMBelg

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

Scott Niekum

@scottniekum

Associate professor at UMass Amherst CICS. AIignment, safety, reinforcement learning, imitation learning, and robotics.

Michela Paganini

@WonderMicky

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

Fei Xia

@xf1280

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

Anna Harutyunyan | Աննա Հարությունյան

@aharutyu

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

elvis

@omarsar0

Building @dair_ai • Prev: Meta AI, Elastic, PhD • New AI learning portal: https://academy.dair.ai/

Negar Rostamzadeh

@negar_rz

Staff RS @Google Research, Adjunct Professor @McGillu, Core Industry Member @MIlAMontreal

Lihong Li

@LihongLi20

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

Ida Momennejad

@criticalneuro

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

Cristóbal Valenzuela

@c_valenzuelab

@runwayml Co-Founder & Co-CEO

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.

Steven Hansen

@Zergylord

Gemini Agents lead at Google DeepMind.

𝙷𝚒𝚖𝚊 𝙻𝚊𝚔𝚔𝚊𝚛𝚊𝚓𝚞

@hima_lakkaraju

AI Professor @Harvard; Senior Staff Research Scientist @GoogleAI; @trustworthy_ml #AI #XAI; AI PhD from Stanford; Sloan/Kavli Fellow, MIT TR #35Under35

Aleksandra Faust

@AleksandraFaust

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

Celeste Kidd

@celestekidd

Professor of psychology @UCBerkeley. Studies how people form beliefs & how new tech impacts those beliefs.

Tim Vieira

@xtimv

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

Arash Vahdat

@ArashVahdat

Research Director, leading fundamental generative AI research (GenAIR) @nvidia research, views are my own.

Piotr Mirowski @bsky.social

@MirowskiPiotr

Research scientist in machine learning @DeepMind. Ex-@BellLabs/@Microsoft/PhD@NYU. Work in AI for weather and for artistic creativity. he/him. Account inactive.

Samuel Albanie 🇬🇧

@SamuelAlbanie

frontier evals lead for gemini @GoogleDeepMind

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

Ashvin Nair

@ashvinair

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

Cathy Wu (Hiring PhD/postdocs)

@wucathy

Faculty at @MIT. Learning for control and optimization. Reinforcement Learning. Multi-agent systems. Autonomy. Mobility.

Lorenz Kuhn

@_lorenzkuhn

Reasoning Research @OpenAI | o1-preview through o3