Preetum Nakkiran

Mark Chen

@markchen90

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

Alec Radford

@AlecRad

ML developer/researcher at OpenAI

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

Sander Dieleman

@sedielem

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

Roger Grosse

@RogerGrosse

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.

Dustin Tran

@dustinvtran

post-training lead at xAI. ex-google

Ferenc Huszár

@fhuszar

Founder & Supreme Leader of Technical Staff at Reasonable. Professor on leave from @Cambridge_CL. Alum of @Twitter, Magic Pony, @Balderton

Catherine Olsson

@catherineols

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

Sholto Douglas

@_sholtodouglas

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

Matthew Johnson

@SingularMattrix

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

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.

Susan Zhang

@suchenzang

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

rohan anil

@_arohan_

aspiring to understand deep learning

(((ل()(ل() 'yoav))))👾

@yoavgo

Boaz Barak

@boazbaraktcs

Computer Scientist. See also http://windowsontheory.org . @harvard @openai opinions my own.

Sham Kakade

@ShamKakade6

Harvard Professor. Full stack ML and AI. Co-director of the Kempner Institute for the Study of Artificial and Natural Intelligence.

Prafulla Dhariwal

@prafdhar

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

Tengyu Ma

@tengyuma

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

Ashish Vaswani

@ashVaswani

Maithra Raghu

@maithra_raghu

Cofounder and CEO @Samaya_AI. Formerly Research Scientist Google Brain (@GoogleAI), PhD in ML @Cornell.

David Pfau

@pfau

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

typedfemale

@typedfemale

a really exciting new account "advanced pytorch user" - @cHHillee alt: @typedalt

Nathan Lambert

@natolambert

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

Aditya Ramesh

@model_mechanic

VP Robotics @OpenAI

Yisong Yue

@yisongyue

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

Behnam Neyshabur

@bneyshabur

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

Charles Sutton

@RandomlyWalking

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

Shengjia Zhao

@shengjia_zhao

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

Kevin Patrick Murphy

@sirbayes

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

Eric Wallace

@Eric_Wallace_

research @openai

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.

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🤠

Yang Song

@DrYangSong

Research Principal of MSL

Chris J. Maddison

@cjmaddison

ML faculty @UofT

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

Sebastian Raschka

@rasbt

ML/AI research engineer. Ex stats professor. Author of "Build a Large Language Model From Scratch" (https://amzn.to/4fqvn0D) & reasoning (https://mng.bz/lZ5B)

Nick

@nickcammarata

neural network biologist, meditation, jhana brother

Alex Dimakis

@AlexGDimakis

Professor, UC berkeley | Founder @bespokelabsai |

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

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.

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.

Kyle Cranmer

@KyleCranmer

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

Ananya Kumar

@ananyaku

Researcher at Meta TBD Labs. Previously core contributor to o1, o3, gpt5, at OpenAI. PhD at Stanford University AI Lab with Percy Liang and Tengyu Ma

Alexander Wei

@alexwei_

Reasoning @OpenAI. Co-built CICERO @MetaAI | @Berkeley_AI PhD '23 | @Harvard '20

Balaji Lakshminarayanan

@balajiln

Principal Research Scientist at @DeepMind. Opinions my own.

Jonathan Frankle

@jefrankle

Chief AI Scientist @databricks via MosaicML. e/brick

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 ✝️

Eric

@ericmitchellai

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

Yann Dubois

@yanndubs

Posttraining @OpenAI | PhD @StanfordAILab

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.

Ed H. Chi

@edchi

Research VP @ GoogleDeepMind. ACM Fellow.

Gabriel Goh

@gabeeegoooh

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

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

Ludwig Schmidt

@lschmidt3

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

Dimitris Papailiopoulos

@DimitrisPapail

Researcher @MSFTResearch, AI Frontiers Lab; Prof @UWMadison (on leave); reasoning in context; learning how to automate; agent of agents; babas of Inez Lily.

Mostafa Dehghani

@m__dehghani

/google_deepmind/gemini/.

Omar Khattab

@lateinteraction

Asst professor @MIT CSAIL @nlp_mit. Research includes http://ColBERT.ai, http://DSPy.ai (@DSPyOSS), RLMs, and GEPA. Prev: CS PhD @StanfordNLP. Research @Databricks.

Pang Wei Koh

@PangWeiKoh

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

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

Jonathan Ho

@hojonathanho

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 🌻

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.

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.

Hanie Sedghi

@HanieSedghi

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

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.

Alex Tamkin

@AlexTamkin

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

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.

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

Ethan Caballero

@ethanCaballero

ML @Mila_Quebec ; previously @GoogleDeepMind

Yo Shavit

@yonashav

policy for v smart things @openai. Past: CS PhD @HarvardSEAS/@SchmidtFutures/@MIT_CSAIL. Tweets my own; on my head be it.

Jacob Eisenstein

@jacobeisenstein

I post about politics here, research at @jacobeisenstein.bsky.social

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

Irina Rish

@irinarish

prof UdeM/Mila; Canada Excellence Research Chair; AAI Lab head http://www.irina-lab.ai; CSO @ http://42.com; advisor @ http://Nolano.ai

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.

Jelani Nelson

@minilek

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

Yasaman Bahri

@yasamanbb

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

Gergely Neu

@neu_rips

ML theory nerd & AI non-enthusiast

Matei Zaharia

@matei_zaharia

CTO @Databricks and prof @UCBerkeley. Working on data + AI, @ApacheSpark, @DeltaLakeOSS, @MLflow, @DSPyOSS, @GEPA_ai. http://linkedin.com/in/mateizaharia

Guodong Zhang

@Guodzh

Maybe the real AGI was the friends we made along the way.

dr. jack morris

@jxmnop

research // language models, information theory, science of AI // formerly @cornell

Pavel Izmailov

@Pavel_Izmailov

Researcher @AnthropicAI 🤖 Assistant Professor @nyuniversity 🏙️ Previously @OpenAI #StopWar 🇺🇦

Yaroslav Bulatov

@yaroslavvb

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

David Abel

@dabelcs

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

Keller Jordan

@kellerjordan0

CIFAR-10 fanatic Pretraining @OpenAI OpCo LLC.

Arnaud Doucet

@ArnaudDoucet1

Senior Staff Research Scientist @GoogleDeepMind

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.

Sam McCandlish

@samsamoa

Building AI as a human ally @AnthropicAI

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.

smitha milli

@SmithaMilli

research scientist, meta (fair) opinions are my own 🥺 👉👈

Reiichiro Nakano

@reiinakano

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

Jeremy Bernstein

@jxbz

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

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

Gretchen Krueger

@GretchenMarina

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

Naveen Rao

@NaveenGRao

CEO @unconvai. Former CEO MosaicML/Databricks & Nervana/IntelAI. Neuro + CS. I like to build stuff that will eventually learn how to build other stuff.

Yi Ma

@YiMaTweets

Chair Prof. in AI, HKU; Visiting Prof. of EECS, UCB For a Unified Theory of Intelligence: https://ma-lab-berkeley.github.io/deep-representation-learning-book/

Olivier Grisel

@ogrisel

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

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=🇺🇸.

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.

Quanquan Gu

@QuanquanGu

Professor @UCLA, Pretraining and Scaling at ByteDance Seed | Recent work: Seed2.0, SeedFold | Opinions are my own

He He

@hhexiy

NLP researcher. Assistant Professor at NYU CS & CDS.

Simon Kornblith

@skornblith

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

finbarr

@finbarrtimbers

modeling language at @allen_ai

Jesse Mu

@jayelmnop

computational linguistics

Ruoming Pang

@ruomingpang

Steven Adler

@sjgadler

AI safety researcher (ex-OpenAI: danger evals, AGI readiness, etc), writing at https://clear-eyed.ai

Casey Chu

@caseychu9

Researcher at @openai

Kyle Kastner

@kastnerkyle

computers and music are fun

Adam Paszke

@apaszke

Author of PyTorch, Research Scientist at Google DeepMind. Currently working on Pallas, Mosaic and dex-lang. MIMUW CS & Math graduate. apaszke@types.pl

Awni Hannun

@awnihannun

ow knee

Shreya Shankar

@sh_reya

Data systems & HCI researcher. On the CS faculty job market. Created http://docetl.org and http://evals.info. PhD @Berkeley_EECS; undergrad @Stanford CS.

Sang Michael Xie

@sangmichaelxie

self-improving @OpenAI. Prev: PhD @StanfordAILab, @GoogleAI Brain/DeepMind, @Meta GenAI

Irene Solaiman

@IreneSolaiman

ai stuff @huggingface 🤗 founded @evaluatingevals views=mine former: @OpenAI @Harvard aspiring ukulele-singer

Kevin Zakka

@kevin_zakka

phding @Berkeley_AI

will brown

@willccbb

reward hacking @primeintellect

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

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)

Sarah Catanzaro

@sarahcat21

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

Trenton Bricken

@TrentonBricken

Trying to make AI go well @AnthropicAI

Serge Belongie

@SergeBelongie

Professor @DIKU_institut • PI @BelongieLab • Computer Vision & Machine Learning • Director @AiCentreDK • Formerly @cornell_tech @GoogleAI @cse_ucsd

Anastasios Nikolas Angelopoulos

@ml_angelopoulos

Measuring intelligence @arena. Statistics, model evaluation. Formerly @Berkeley_EECS, @stanford_ee, student researcher @GoogleDeepMind.

Yilun Du

@du_yilun

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

Pranav Shyam

@recurseparadox

research scientist at google deepmind. ಕನ್ನಡಿಗ. past: generative models @openai

Alexander Kolesnikov

@__kolesnikov__

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

Abhi Venigalla

@ml_hardware

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

theseriousadult

@gallabytes

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

Ruiqi Zhong @NeurIPS 25

@ZhongRuiqi

Member of Technical Staff at Thinking Machines. Human+AI collaboration. Scalable Oversight. Explainability. Prev @AnthropicAI PhD UC Berkeley'25; Columbia'19

Rylan Schaeffer

@RylanSchaeffer

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

Jeffrey Wang

@jeffreygwang

Researcher @OpenAI, working on pretraining & reasoning. Previously (and perhaps again) CS/Math/English @Harvard.

Fan-Yun Sun

@sunfanyun

ceo @moonlake, prev. cs phd @stanfordailab, @nvidiaai

Josh McGrath

@j_mcgraph

search post training @ openai

ilge

@ilge

Researcher @OpenAI | there is as yet insufficient data for a meaningful answer.

Nitish

@StrongDuality

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.

Sharad Vikram

@sharadvikram

Researcher @ Google Deepmind. I work on JAX + Pallas (https://github.com/jax-ml/jax) and Gemini. In the past I worked on Oryx and TFP. I like learning.

Roy Frostig

@froystig

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

Lorenz Kuhn

@_lorenzkuhn

Reasoning Research @OpenAI | o1-preview through o3

rewon

@rewonfc

Here for the research papers