Armen Aghajanyan

Chelsea Finn

@chelseabfinn

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

Mark Chen

@markchen90

Chief Research Officer at @OpenAI. Coach for the USA IOI Team.

Eric Jang

@ericjang11

Sam Bowman

@sleepinyourhat

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

Sebastien Bubeck

@SebastienBubeck

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

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.

Sander Dieleman

@sedielem

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

Lucas Beyer (bl16)

@giffmana

Researcher (now: Meta. ex: OpenAI, DeepMind, Brain, RWTH Aachen), Gamer, Hacker, Belgian. Anon feedback: https://www.admonymous.co/giffmana ✗DMs → email

Bob McGrew

@bobmcgrewai

Learning new things. Former Chief Research Officer at OpenAI, early exec at Palantir, early employee at Paypal.

Matthew Johnson

@SingularMattrix

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

Aran Komatsuzaki

@arankomatsuzaki

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

Susan Zhang

@suchenzang

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

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

Tengyu Ma

@tengyuma

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

sarah guo

@saranormous

startup investor/helper, founder @conviction. accelerating AI adoption, interested in progress. tech podcast: @nopriorspod

Amjad Masad

@amasad

ceo @replit. civilizationist

Ashish Vaswani

@ashVaswani

Horace He

@cHHillee

@thinkymachines Formerly @PyTorch "My learning style is Horace twitter threads" - @typedfemale

Taco Cohen

@TacoCohen

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

Erik Brynjolfsson

@erikbryn

Director @DigEconLab Co-founder, @Workhelix @StanfordHAI @SIEPR @Stanford https://www.amazon.com/Second-Machine-Age-Prosperity-Technologies/dp/0393350649

Nathan Lambert

@natolambert

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

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+ | 147k+ citations | Current: Self-Improving & Co-Improving AI

Tri Dao

@tri_dao

Asst. Prof @PrincetonCS, Chief Scientist @togethercompute. Machine learning & systems.

will depue

@willdepue

retired ex @openai (posttraining o3/4o, sora 1 & 2, pretraining moonshots)

Sebastian Ruder

@seb_ruder

Research Scientist @AIatMeta MSL • Ex @Cohere @GoogleDeepMind

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.

Eric Wallace

@Eric_Wallace_

research @openai

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

Dean W. Ball

@deanwball

“To some it is philosophical struggle, to me it is allegro con brio”

Brandon Amos

@brandondamos

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

Mo Bavarian

@mobav0

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

swyx 🇸🇬

@swyx

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

Balaji

@balajis

Author of the Network State. Founder of the Network School.

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

Andrew Gordon Wilson

@andrewgwils

Machine Learning Professor

Tanishq Mathew Abraham, Ph.D.

@iScienceLuvr

CEO @SophontAI | Founder @MedARC_AI | PhD at 19 (2023) | ex Research Director Stability AI | Biomed. engineer @ 14 | TEDx talk➡https://bit.ly/3tpAuan

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.

Karol Hausman

@hausman_k

@Physical_int

Diyi Yang

@Diyi_Yang

Assistant Professor @Stanford CS @StanfordNLP @StanfordAILab Part time @humansand LLMs for Humans

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

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)

Gabriel Goh

@gabeeegoooh

Images {1,1.5,2} Lead, among other things.

Suhail

@Suhail

Founder: @mixpanel Pizzatarian, engineer, music maker

Ludwig Schmidt

@lschmidt3

Assistant professor at @Stanford and member of the technical staff at @AnthropicAI.

Dhruv Batra

@DhruvBatra_

Co-founder & Chief Scientist @yutori_ai. Prev: Senior Director leading FAIR Embodied AI @MetaAI and Professor @GeorgiaTech.

Pang Wei Koh

@PangWeiKoh

Assistant professor at @uwcse and research scientist at @allen_ai. Formerly @StanfordAILab @GoogleAI @Coursera. 🇸🇬

Sherjil Ozair

@sherjilozair

co-founder @ project prometheus | founder @GeneralAgentsCo | previously autopilot @tesla, deep learning @googledeepmind, phd http://mila.quebec, cs @iitdelhi

Douwe Kiela

@douwekiela

@ContextualAI CEO, @Stanford Adjunct Prof.

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.

Patrick Hsu

@pdhsu

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

rishi

@RishiBommasani

Societal/economic impacts of AI; AI policy & governance @StanfordHAI Stanford CS PhD w/ @percyliang @jurafsky Cornell CS undergrad w/ @clairecardie

Stephanie Chan

@scychan_brains

Staff Research Scientist at DeepMind. Artificial & biological brains 🤖 🧠 Societal impacts of AI + Science of AI. Views are my own.

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.

Sharif Shameem

@sharifshameem

playing with models @openai

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💺

Myle Ott

@myleott

ML infra @thinkymachines

Brandon McKinzie

@mckbrando

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

Zeyuan Allen-Zhu, Sc.D.

@ZeyuanAllenZhu

physics of language models @ Meta (FAIR at MSL, not GenAI or TBD) 🎓：Tsinghua Physics — MIT CSAIL — Princeton/IAS 🏅：IOI x 2 — ICPC — USACO — Codejam — math MCM

Naomi Saphra

@nsaphra

Waiting on a robot body. All opinions are universal and held by both employers and family. Now a dedicated grok hate account. Accepting ML/NLP PhD students.

Junyang Lin

@JustinLin610

❤️ 🍵 ☕️ 🍷 🥃 🍺

Alex Tamkin

@AlexTamkin

machine learning, science & society @AnthropicAI | recently: Clio, Anthropic Economic Index, Claude Artifacts | prev: phd @StanfordAILab, @stanfordnlp

Sewon Min

@sewon__min

Assistant professor @Berkeley_EECS @berkeley_ai || Research scientist at @allen_ai || PhD from @uwcse @uwnlp

Alex Graveley

@alexgraveley

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

Ethan Caballero

@ethanCaballero

ML @Mila_Quebec ; previously @GoogleDeepMind

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.

Omer Levy

@omerlevy_

AI Researcher at Google DeepMind

Jiaming Song

@baaadas

Chief Scientist @LumaLabsAI. #LumaDreamMachine

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 🇺🇦

jasmine collins

@jazco

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

anton 🇺🇸

@atroyn

http://troynikov.io | founder @trychroma

Roberta Raileanu

@robertarail

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

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.

Ian Hogarth

@soundboy

investor at @pluralplatform, chair UK AI Security Institute, co-founder @songkick

Simo Ryu

@cloneofsimo

I like cats, math and codes cloneofsimo@gmail.com

Jeremy Bernstein

@jxbz

🧪 @thinkymachines ✍️ anon feedback @ http://admonymous.co/jxbz

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.

Gretchen Krueger

@GretchenMarina

Over at Bluesky. Researcher affiliated w @BKCHarvard, Volunteer @evitable. Previously @openai @ainowinstitute. Views mine. #justdontbuildagi #talktomenotchatgpt

yobibyte

@y0b1byte

the only yobibyte @ NVIDIA

Eunsol Choi

@eunsolc

on natural language processing / machine learning. assistant prof at @NYUDataScience @NYU_Courant prev @UTCompSci @googleai, @uwcse, @Cornell.

Olivier Grisel

@ogrisel

Engineer at @probabl_ai, scikit-learn developer. More active at: https://sigmoid.social/@ogrisel https://bsky.app/profile/ogrisel.bsky.social

Hanna Hajishirzi

@HannaHajishirzi

Sr. Director of AI at @allen_ai, Prof at @uw_cse, lead OLMo, Tulu

Cas (Stephen Casper)

@StephenLCasper

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

He He

@hhexiy

NLP researcher. Assistant Professor at NYU CS & CDS.

Ruoming Pang

@ruomingpang

Miles Wang

@MilesKWang

Researcher @OpenAI

David Hall

@dlwh

Research Engineering Lead at @StanfordCRFM. Previously co-founder at Semantic Machines ⟶ MSFT. Lead developer of Levanter and Marin @dlwh@sigmoid.social

will brown

@willccbb

reward hacking @primeintellect

Daniel Fried

@dan_fried

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

Marco Mascorro

@Mascobot

rewarding compounding curiosity | roboticist | Prev: Partner @a16z, cofounder @Fellow_AI

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.

Sarah Catanzaro

@sarahcat21

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

Omar Sanseviero

@osanseviero

Developer Experience Lead at @GoogleDeepMind Building Gemini API, Gemma, AI Studio and more AI products. My views ex-Chief Llama Officer @huggingface 🇵🇪🇲🇽

Paul Buchheit

@paultoo

For entertainment purposes only

Nathan Labenz

@labenz

AI Scout, building text-2-video @Waymark, host of The Cognitive Revolution podcast

Lili Yu

@liliyu_lili

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

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

David Shor

@davidshor

Head of Data Science at Blue Rose Research, based in NYC, originally from Miami. I try to elect Democrats. Views are my own. he/him🌹

Taelin

@VictorTaelin

Kind / Bend / HVM / INets / λCalculus

Zizheng Pan

@zizhpan

Researcher @deepseek_ai | Previously @nvidia @MonashUni @UniofAdelaide. Words are my own.

Erik Bernhardsson

@bernhardsson

Building @modal

anton

@abacaj

Flo Crivello

@Altimor

Founder @getlindy. "Striving to remember the obvious over grasping the esoteric."

bayes

@bayeslord

100% organic human tokens

xjdr

@_xjdr

building AI that wont embarrass me in front of my own standards

Carina Hong

@CarinaLHong

@axiommathai : careers@axiommath.ai

Reiner Pope

@reinerpope

CEO and founder, @MatXComputing, developing high throughput chips tailored for LLMs

Ting Chen

@tingchenai

building multimodal AGI

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.

theseriousadult

@gallabytes

father, ML enjoyer @anthropicai. previously @midjourney v2-7

Ji Lin

@jilin_14

Research @Meta Superintelligence Lab | Prev: Research @OpenAI; PhD @MIT

Jason Phang

@zhansheng

Foundations at @OpenAI. PhD @NYUDataScience, @AiEleuther, 🇸🇬. Prev: @Google, @Microsoft

Hugh Zhang

@hughbzhang

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.

girish sastry

@girishsastry

AI & other things. I used to work at OpenAI on Policy Research.

nervouscomputer

@nervouscomputer

iced latte in my veins