Co-Founder of Coursera; Stanford CS adjunct faculty. Former head of Baidu AI Group/Google Brain. #ai #machinelearning, #deeplearning #MOOCs
Jack Clark
@jackclarkSF
POLICY@AnthropicAI, ONEAI OECD, co-chair @indexingai, writer @ http://importai.net Past: @openai, @business @theregister. Neural nets, distributed systems, weird futures
Lilian Weng
@lilianweng
RESEARCHERCo-founder of Thinking Machines Lab @thinkymachines; Ex-VP, AI Safety & robotics, applied research @OpenAI; Author of Lil'Log
Sander Dieleman
@sedielem
RESEARCHERResearch Scientist at Google DeepMind (WaveNet, Imagen, Veo). I tweet about deep learning (research + software), music, generative models (personal account).
Jerry Tworek
@MillionInt
RESEARCHERCEO and co-founder of Core Automation | former VP of RL @ OpenAI | reasoning models, o3, o1, GPT4, ChatGPT, Codex, RL for robots | cautious AI optimist
Joshua Achiam
@jachiam0
RESEARCHERFreedom, flourishing, and abundance. Chief Futurist @openai. Main author of http://spinningup.openai.com
Lucas Beyer (bl16)
@giffmana
RESEARCHERResearcher (now: Meta. ex: OpenAI, DeepMind, Brain, RWTH Aachen), Gamer, Hacker, Belgian. Anon feedback: https://www.admonymous.co/giffmana โDMs โ email
Bob McGrew
@bobmcgrewai
EXECUTIVELearning new things. Former Chief Research Officer at OpenAI, early exec at Palantir, early employee at Paypal.
Chelsea Sierra Voss
@csvoss
ENGINEERengineeress โจ Member of Technical Staff @openai // serious play // past @pilothq, @sendwaveapp, @khanacademy, CS/math @MIT, 2x IBO gold
Joanne Jang
@joannejang
EXECUTIVEtrying to automate myself @coreautoai // prev: model behavior & labs @openai
Prafulla Dhariwal
@prafdhar
RESEARCHERTechnical fellow @OpenAI. Co-creator of GPT-4o, GPT-3, DALL-E 2, Jukebox, Glow, PPO. Previously @MIT '17
sarah guo
@saranormous
INVESTORstartup investor/helper, founder @conviction. accelerating AI adoption, interested in progress. tech podcast: @nopriorspod
Leo Gao
@nabla_theta
RESEARCHERworking on AGI alignment. prev: GPT-Neo, the Pile, LM evals, RL overoptimization, scaling SAEs to GPT-4, interp via circuit sparsity. EleutherAI cofounder.
David Luan
@jluan
EXECUTIVEretired!! former cofounder of @adeptailabs, vp engineering @openai and @amazon, and @google LLMs lead. all about type II fun.
will depue
@willdepue
RESEARCHERretired ex @openai (posttraining o3/4o, sora 1 & 2, pretraining moonshots)
Rosanne Liu
@savvyRL
RESEARCHERMom. Cofounded & running @ml_collective. Co-host of Deep Learning Classics & Trends. Research at Google DeepMind. DEI/DIA Chair of ICLR & NeurIPS.
Saining Xie
@sainingxie
RESEARCHERcofounder & chief science officer at @amilabs | faculty @nyu_courant | prev: @googledeepmind @meta (FAIR) @ucsandiego | ynwa
Scott Gray
@scottgray76
ENGINEERGPU Geek at @OpenAI. I have a long standing interest in neuroscience and its application to machine learning. He/Him.
Arvind Neelakantan
@arvind_io
RESEARCHERResearch Scientist, @GoogleDeepMind Past: @AIatMeta , @OpenAI, @Google Brain PhD @UMassAmherst
Sebastian Raschka
@rasbt
RESEARCHERML/AI research engineer. Ex stats professor. Author of "Build a Large Language Model From Scratch" (https://amzn.to/4fqvn0D) & reasoning (https://mng.bz/lZ5B)
Kevin Roose
@kevinroose
CREATORNYT tech columnist, Hard Fork co-host, high-perplexity language model. Writing a book about AGI.
Rohan Pandey
@khoomeik
RESEARCHERdescending cross-entropy to ascend entropy @PeriodicLabs || prev research @OpenAI @CarnegieMellon '23
Tom Brown
@nottombrown
FOUNDERCo-founder @AnthropicAI. Compute wrangler. Author of GPT-3. Cautiously optimistic.
Ananya Kumar
@ananyaku
RESEARCHERResearcher 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
Rowan Zellers
@rown
RESEARCHERmultimodal @thinkymachines. I also like to climb rocks and throw pottery. http://rowanzellers.com (he/him)
Alex Nichol
@unixpickle
RESEARCHERCode, AI, and 3D printing. Opinions are mostly my own, sometimes a computer's. Husband of @thesamnichol. Co-creator of DALL-E 2. Researcher @openai.
Alexis Conneau
@alex_conneau
RESEARCHERCo-founder and CEO http://waveforms.ai (@WaveFormsAI) - Ex @OpenAI GPT-4o/AVM Audio Research Lead - #Her #TARS - Ex @AIatMeta, @Polytechnique (X11)
Ludwig Schmidt
@lschmidt3
RESEARCHERAssistant professor at @Stanford and member of the technical staff at @AnthropicAI.
Dimitris Papailiopoulos
@DimitrisPapail
RESEARCHERResearcher @MSFTResearch, AI Frontiers Lab; Prof @UWMadison (on leave); reasoning in context; learning how to automate; agent of agents; babas of Inez Lily.
Pang Wei Koh
@PangWeiKoh
RESEARCHERAssistant professor at @uwcse and research scientist at @allen_ai. Formerly @StanfordAILab @GoogleAI @Coursera. ๐ธ๐ฌ
Jiahui Yu
@jhyuxm
RESEARCHERLead Multimodal @Meta Superintelligence Lab. Previously led Perception @OpenAI; co-led Gemini Multimodal @GoogleDeepMind.
Zhiqing Sun
@EdwardSun0909
RESEARCHERAgents @Meta MSL TBD Lab. previously posttraining research @OpenAI train LLMs to do things: deep research, chatgpt agent, etc. CS PhD @LTIatCMU
Adam.GPT
@TheRealAdamG
EXECUTIVEGTM at @OpenAI. Senior token slinger. A fan of NY sports, memes, tech & nice people. NJ. My opinions are my own.
Jimmy Apples ๐/acc
@apples_jimmy
CREATORWagmi. 2025. As featured in Bloomberg. As quoted by Nobel Prize winner Demis Hassabis. As mentioned on the Lex Fridman Podcast๐บ
Ariel Herbert-Voss
@adversariel
RESEARCHERFounder @RunSybil. likes: offsec, LLMs, and dumb memes. prev: research scientist @OpenAI / CS PhD @Harvard / @defcon AI Village
Adam Roberts
@ada_rob
RESEARCHERPrincipal Scientist @ Google DeepMind :: ๐psychedelic ai :: ๐ Foundational LLM work: TL for T5 & C4, core PaLM :: ๐จโ๐ป TL for T5x & SeqIO
Brandon McKinzie
@mckbrando
RESEARCHERresearch @OpenAI | prev: multimodal @Apple, physics/cs @UCBerkeley
Evan Morikawa
@E0M
ENGINEER๐ค @Generalistai. Prev: led eng at @openai. Launched & scaled ChatGPT, GPT-4, DALLยทE, APIs. Dir Eng @Nylas, Co-Founder @Proximate, @OlinCollege alum.
Erin Grant @ ICLR 2026
@ermgrant
RESEARCHERAssistant Professor / Faculty Fellow @NYUDataScience studying cognition in mind & brain with neural nets, Bayes, other tools | http://bsky.app/profile/eringrant.me
Julien Chaumond
@julien_c
FOUNDERCo-founder and CTO at @huggingface ๐ค. ML/AI for everyone, building products to propel communities fwd. @Stanford + @Polytechnique
Sewon Min
@sewon__min
RESEARCHERAssistant professor @Berkeley_EECS @berkeley_ai || Research scientist at @allen_ai || PhD from @uwcse @uwnlp
Yo Shavit
@yonashav
POLICYpolicy for v smart things @openai. Past: CS PhD @HarvardSEAS/@SchmidtFutures/@MIT_CSAIL. Tweets my own; on my head be it.
Alexander Kirillov
@_alex_kirillov_
RESEARCHERMultimodality @thinkymachines. Previously: post-training MM lead @openai, research Scientist @facebookai Projects: GPT-4o, Advance Voice Mode, SegmentAnything.
Pavel Izmailov
@Pavel_Izmailov
RESEARCHERResearcher @AnthropicAI ๐ค Assistant Professor @nyuniversity ๐๏ธ Previously @OpenAI #StopWar ๐บ๐ฆ
Yaroslav Bulatov
@yaroslavvb
RESEARCHER@southparkcommons (early OpenAI, Google Brain, Meta) https://yaroslavvb.substack.com/ https://medium.com/@yaroslavvb https://yaroslavvb.blogspot.com/
Angela Jiang
@jiangelaa
POLICYAI-maxxing @worktrace_ai ๐ฉท | Prev. Public Policy & Product @OpenAI, CS PhD @CarnegieMellon
Alexia Jolicoeur-Martineau
@jm_alexia
RESEARCHERAI Researcher ๐ฑโ๐ป 2025 ARC Prize Winner I build generative AI for images, videos, text, tabular data, weights, molecules, and video games.
Reiichiro Nakano
@reiinakano
ENGINEERi like building awesome things with awesome people ๐ต๐ญ ๐ฏ๐ต
Gretchen Krueger
@GretchenMarina
POLICYOver at Bluesky. Researcher affiliated w @BKCHarvard, Volunteer @evitable. Previously @openai @ainowinstitute. Views mine. #justdontbuildagi #talktomenotchatgpt
Olivier Grisel
@ogrisel
ENGINEEREngineer at @probabl_ai, scikit-learn developer. More active at: https://sigmoid.social/@ogrisel https://bsky.app/profile/ogrisel.bsky.social
Ross Wightman
@wightmanr
ENGINEERAI / Computer Vision. Ex head of Software, Firmware Engineering at a Canadian ๐ฆ. Building AI systems or investing in startups that do it better.
Simon Kornblith
@skornblith
RESEARCHERresearcher/engineer @AnthropicAI | former @GoogleDeepMind @mitbrainandcog @zotero | @simonster@sigmoid.social
Steven Adler
@sjgadler
RESEARCHERAI safety researcher (ex-OpenAI: danger evals, AGI readiness, etc), writing at https://clear-eyed.ai
Mario Klingemann๐ง๐ฆ
@quasimondo
CREATORArtist, Neurographer, Automancer, Purveyor of Systems, Data Dumpster Diver, Information Recycler
raulpuri.eth
@TheRealRPuri
ENGINEERAI @ hrooeu sjmrtPectPs | past: OpenAI - ChatGPT Multimodal, Her, 4o, GPT4V, 4, 3.5, Codex | NVIDIA - megatron, language | ๐ป
Irene Solaiman
@IreneSolaiman
POLICYai stuff @huggingface ๐ค founded @evaluatingevals views=mine former: @OpenAI @Harvard aspiring ukulele-singer
Toby Pohlen
@TobyPhln
ENGINEERSleeping. Previously founding team @xAI, engineer @GoogleDeepMind. @RWTH alumnus.
Ishaan Gulrajani
@__ishaan
RESEARCHERHi! Iโm a machine learning researcher @openai. Previously @stanford @facebook @google @mila_quebec
Marco Mascorro
@Mascobot
INVESTORrewarding compounding curiosity | roboticist | Prev: Partner @a16z, cofounder @Fellow_AI
Georges Harik
@gharik
ENGINEERhumans& co-founder, 7th employee google, co-created adwords online, co-created adsense targeting, worked on ai, gmail, calendar, bought android.
Omar Sanseviero
@osanseviero
ENGINEERDeveloper Experience Lead at @GoogleDeepMind Building Gemini API, Gemma, AI Studio and more AI products. My views ex-Chief Llama Officer @huggingface ๐ต๐ช๐ฒ๐ฝ
Pranav Shyam
@recurseparadox
RESEARCHERresearch scientist at google deepmind. เฒเฒจเณเฒจเฒกเฒฟเฒ. past: generative models @openai
Brydon Eastman
@brhydon
RESEARCHER๐จ๐ฆ Mathematician (heavy on the ish) @thinkymachines Prev. MTS @OpenAI; PhD @WaterlooMath Certified wife guy, featured twice in Lego Magazine ยฉ โ//๐คโก๏ธ๐ป
Georgi Gerganov
@ggerganov
ENGINEER24th at the Electrica puzzle challenge | building https://github.com/ggml-org | engineer @huggingface
Vedant Misra
@vedantmisra
RESEARCHERASI @DeepMind | @OpenAI (Reasoning / Algorithms Lead) | @HubSpot (ML Labs) | Founder/CEO Kemvi (acq HubSpot) | Physics @Columbia | Husband and Dad
Jeremy Nixon - Automating AI Research
@JvNixon
RESEARCHERFounder of Infinity @infinity_ai_. Created the AGI Houses @agihousesf. Prev. Research at Google Brain & Math @Harvard.
Rylan Schaeffer
@RylanSchaeffer
RESEARCHERAI RS @ Meta TBD. On-Leave from Stanford w/ @sanmikoyejo. Prev @ Gemini, Meta, MIT, Harvard, Uber, UCL, UC Davis
Jonathan Lachman
@jonlachman
EXECUTIVEfounding head of operations at thinking machines @thinkymachines. former head of special projects @openai, obama @whitehouse national security budget director
Aliisa
@aliisarosenthal
EXECUTIVEformer head of sales @openai, current investor @acrewcapital. fine-tuning two small models with @hodgessam.
Ashley Pilipiszyn
@AviatorAshley
EXECUTIVEspace industrialist, founder/ceo @besxarfoundry ๐ ๐๏ธ