Kevin Scott

Fei-Fei Li

@drfeifei

Prof (CS @Stanford), Co-Director @StanfordHAI, Cofounder/CEO @theworldlabs, #AI #SpatialIntelligence #GenAI #computervision #robotics #AI-healthcare

Bill Gates

@BillGates

Sharing things I'm learning through my foundation work and other interests.

John Schulman

@johnschulman2

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

Noam Brown

@polynoamial

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

Mark Chen

@markchen90

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

Mira Murati

@miramurati

Now building @thinkymachines. Previously CTO @OpenAI

Sebastien Bubeck

@SebastienBubeck

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

François Chollet

@fchollet

Co-founder @ndea. Co-founder @arcprize. Creator of Keras and ARC-AGI. Author of 'Deep Learning with Python'.

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.

Barret Zoph

@barret_zoph

@openai Past: - CTO & Co-Founder Thinking Machines Lab (@thinkymachines) - VP Research (Post-Training) @openai - Research Scientist at Google Brain

Jason Wei

@_jasonwei

ai researcher @meta superintelligence labs, past: openai, google 🧠

Alexandr Wang

@alexandr_wang

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

William Fedus

@LiamFedus

Co-Founder of @periodiclabs Past: VP of Post-Training @OpenAI; Google Brain

Satya Nadella

@satyanadella

Chairman and CEO at Microsoft

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

Joshua Achiam

@jachiam0

Freedom, flourishing, and abundance. Chief Futurist @openai. Main author of http://spinningup.openai.com

Igor Babuschkin

@ibab

Prev co-founder @xAI, Research & Engineering

Eric Horvitz

@erichorvitz

Chief Scientific Officer, Microsoft

Mustafa Suleyman

@mustafasuleyman

CEO, @MicrosoftAI | Author: The Coming Wave | Past: Co-founder, @InflectionAI & @GoogleDeepMind

Vinod Khosla

@vkhosla

entrepreneurship zealot, grounded technology possibilist, believer in the power of ideas, passionate about sustainability & impact

near

@nearcyan

this too has passed

Leopold Aschenbrenner

@leopoldasch

http://situational-awareness.ai

Joanne Jang

@joannejang

trying to automate myself @coreautoai // prev: model behavior & labs @openai

Lulu Cheng Meservey

@lulumeservey

Rostra founder, Shopify board, ex Activision & Substack, writing http://www.getflack.com

Sham Kakade

@ShamKakade6

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

Irwan Bello

@IrwanBello

Supercomputers & Friends, AI & Science. Founding team & Research Lead at @reflection_ai. Past: @OpenAI, Founding team @character_ai, Google Brain

Ashish Vaswani

@ashVaswani

Kevin Weil 🇺🇸

@kevinweil

VP Science @OpenAI, BoD @Cisco @nature_org, LTC @USArmyReserve Ex: Pres @Planet, Head of Product @Instagram @Twitter ❤️ @elizabeth ultramarathons kids cats math

Been Kim

@_beenkim

Research Scientist at Google DeepMind, PhD from MIT. Make machines empower people.

Maithra Raghu

@maithra_raghu

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

Peter Welinder

@npew

VP and GM @OpenAI

Shivon Zilis

@shivon

Artificial intelligence, biological intelligence, and whatever exists in between and beyond. Made in Canada.

David Luan

@jluan

retired!! former cofounder of @adeptailabs, vp engineering @openai and @amazon, and @google LLMs lead. all about type II fun.

Bret Taylor

@btaylor

Co-Founder @SierraPlatform. Board @OpenAI.

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.

will depue

@willdepue

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

Shengjia Zhao

@shengjia_zhao

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

Dean W. Ball

@deanwball

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

Yang Song

@DrYangSong

Research Principal of MSL

Clément Farabet

@clmt

AI @ Google DeepMind (AI Studio, Gemma, Gemini). Ex NVIDIA (self-driving cars, http://rapids.ai), Twitter (founded Cortex), MadBits (founded+sold) 🇺🇸🇫🇷

Jure Leskovec

@jure

Professor of #computerscience @Stanford; Co-founder at http://Kumo.AI #machinelearning #graphs.

Aidan Gomez

@aidangomez

@cohere

Tejal Patwardhan

@tejalpatwardhan

research @openai // pain is the moat

Animesh Garg

@animesh_garg

Foundation Models for Generalizable Autonomy in Robotics. Reinforcement Learning. Faculty in AI Robotics @GeorgiaTech. Prev @nvidia @UCberkeley @stanford

Brad Lightcap

@bradlightcap

@OpenAI

Kevin Roose

@kevinroose

NYT tech columnist, Hard Fork co-host, high-perplexity language model. Writing a book about AGI.

Rohan Pandey

@khoomeik

descending cross-entropy to ascend entropy @PeriodicLabs || prev research @OpenAI @CarnegieMellon '23

Kyle Cranmer

@KyleCranmer

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

Prof. Anima Anandkumar

@AnimaAnandkumar

AI+Science, Bren Professor @caltech, Time100, Fmr Sr Director of #AI research @nvidia Fmr Principal Scientist @awscloud

Diyi Yang

@Diyi_Yang

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

Christine McLeavey

@mcleavey

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

Tao Xu

@txhf

Learning Machine at OpenAI

Bryan Catanzaro

@ctnzr

VP, Applied Deep Learning Research @ NVIDIA

Caitlin Kalinowski

@kalinowski007

Building the physical future of AI. Boards: Axon, Institute of Contemporary Art SF.

Cade Metz

@CadeMetz

New York Times reporter, covering A.I., driverless cars, and other changes: cade.metz@nytimes.com. My book, "Genius Makers": http://bit.ly/GeniusMakers.

Karen Hao

@_KarenHao

NYT bestselling author of EMPIRE OF AI: http://empireofai.com. ai reporter. american national magazine award winner. in @MorePerfectUS @theatlantic @wsj @techreview

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.

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

Evan Hubinger

@EvanHub

Alignment Stress-Testing lead @AnthropicAI. Opinions my own. Previously: MIRI, OpenAI, Google, Yelp, Ripple. (he/him/his)

Tim O'Reilly

@timoreilly

Founder and CEO, O'Reilly Media. Watching the alpha geeks, sharing their stories, helping the future unfold. Didn't pay for a blue check, cannot make it go away

Jiahui Yu

@jhyuxm

Lead Multimodal @Meta Superintelligence Lab. Previously led Perception @OpenAI; co-led Gemini Multimodal @GoogleDeepMind.

Nick Turley

@nickaturley

vp & head of @chatgptapp

Josh Woodward

@joshwoodward

VP, @Google @GoogleLabs @GeminiApp @GoogleAIStudio

Yu Bai

@yubai01

Training @OpenAI. Previously @SFResearch, PhD @Stanford.

Jenn Wortman Vaughan

@jennwvaughan

Sr. Principal Research Manager, Microsoft Research, NYC. Machine learning transparency, intelligibility, fairness, evaluation.

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💺

Joshua Kushner

@JoshuaKushner

🤓

Brandon McKinzie

@mckbrando

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

James Campbell

@jam3scampbell

post training @OpenAI

Evan Morikawa

@E0M

🤖 @Generalistai. Prev: led eng at @openai. Launched & scaled ChatGPT, GPT-4, DALL·E, APIs. Dir Eng @Nylas, Co-Founder @Proximate, @OlinCollege alum.

Steven Heidel

@stevenheidel

API @OpenAI | 🏳️‍🌈 he/him

Allan Dafoe

@AllanDafoe

AGI governance: navigating the transition to beneficial AGI (Google DeepMind)

Srinivas Narayanan

@snsf

CTO of B2B Applications, OpenAI

Yash Patil

@ypatil125

Co-Founder, CEO @appliedcompute prev: @OpenAI, @Stanford

Ryan Petersen

@typesfast

Founder and CEO of Flexport: Global logistics, simplified.

Demi Guo

@demi_guo_

Co-founder & CEO @pika_labs | AI Self @semi_guo_

Sam McCandlish

@samsamoa

Building AI as a human ally @AnthropicAI

Reiichiro Nakano

@reiinakano

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

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.

Hilary Mason

@hmason

Co-Founder of @PlayHiddenDoor. Formerly Founder of @FastForwardLabs (acquired by @Cloudera). I ♥ data and cheeseburgers. She/her.

Anirudh Goyal

@anirudhg9119

Thinking about thinking. Spent time at @Berkeley_EECS, @MPI_IS, @GoogleDeepMind Gemini ♊.

Mike Schroepfer

@schrep

founder @Gigascale, Sr Fellow/fmr CTO @Meta, founder @AdditionalVent. Let’s go build!

Olivier Grisel

@ogrisel

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

Peter Lee

@peteratmsr

President, Microsoft Research

Brendan O'Donoghue

@bodonoghue85

Director of Research at @GoogleDeepMind, working on generative models, deep learning, RL. PhD from @stanford. Gemini Diffusion lead.

Pierre-Yves Oudeyer

@pyoudeyer

Research director in AI and CogSci @inria, Head of @flowersInria lab, prev. @MSFTResearch @SonyCSLParis https://www.linkedin.com/in/pierreyvesoudeyer/

Hanna Hajishirzi

@HannaHajishirzi

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

Boz

@boztank

CTO @Meta. Leading Reality Labs and working on AR, VR, AI, and more. Built v1 of FB News Feed, Messenger, Groups, Mobile Ads. TweetDelete 6mo

alth0u🧶

@alth0u

general partner at a16z art is a line through your thoughts erstwhile child

Scott Wu

@ScottWu46

Building @cognition

Ruoming Pang

@ruomingpang

Danielle Belgrave

@DaniCMBelg

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

Gill Verdon

@GillVerd

Founder & CEO @extropic

Katja Hofmann

@katjahofmann

At Microsoft Research. Lead of https://aka.ms/game-intelligence - we drive innovation in machine learning with applications in games. https://iclr.cc Board.

Irene Solaiman

@IreneSolaiman

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

Toby Pohlen

@TobyPhln

Sleeping. Previously founding team @xAI, engineer @GoogleDeepMind. @RWTH alumnus.

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.

David Hall

@dlwh

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

Dave

@dece

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 🇵🇪🇲🇽

Arash Vahdat

@ArashVahdat

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

shyamal

@shyamalanadkat

applied AI. prev @openai @dukeu. explorer. 🇮🇳

Steven Levy

@StevenLevy

Editor at Large @WIRED. Signal: stevenlevy.72

Eli Lifland

@eli_lifland

AI forecasting and governance @AI_Futures_. Co-author of AI 2027 and the AI Futures Model. Also @aidigest_, @SamotsvetyF. Prev @oughtinc

Terah Lyons

@terahlyons

Ben Hamner

@benhamner

Sumble co-founder and CTO. Learning high-quality, structured data about the world. Formerly @kaggle

ashton kutcher

@aplusk

I build things, stories, companies, collaborations of thoughts, dreams, & believe in a future where we all have a right to pursue happiness. +1 (319) 519-0576

JD Vance

@JDVance

Christian, husband, dad. Vice President of the United States.

Tim Ferriss

@tferriss

Author of 5 #1 NYT/WSJ bestsellers, early-stage investor (http://tim.blog/portfolio), Tim Ferriss Show podcast (1B+ downloads), founder of http://saiseifoundation.org

Mark Rober

@MarkRober

Former NASA and Apple engineer. Current YouTuber and friend of science. CrunchLabs founder- http://crunchlabs.com

Tim Sweeney

@TimSweeneyEpic

Epic Games founder and CEO

Patrick OShaughnessy

@patrick_oshag

building @psumvc @colossusmag hosting @investlikebest

Brad Gerstner

@altcap

Founder - Altimeter, Invest America | Trump Accounts, Center for Heart Attack Prevention. One precious life. Views here personal. @investamerica24 @bg2pod

scott belsky

@scottbelsky

helping the creative world make ideas happen. partner @a24 / founder A24Labs; founder @Behance, bod @atlassian & MoMA, author, seed investor, product obsessive.

nxthompson

@nxthompson

CEO @theatlantic. Going out of business soon, since 1857. Author of “The Running Ground," father of three, American record holder in the 50k.

Jay Hack

@mathemagic1an

Head of AI @clickup. Tweets about AI, computing and knowledge work. Previously founder @codegen / ML @palantir / CS @stanford. Not a pseudonym.

Sonya Huang 🐥

@sonyatweetybird

Partner @Sequoia

Alex Kendall

@alexgkendall

CEO at @wayve_ai teaching cars how to drive with machine learning 🇳🇿

Brendan McCord 🏛️ x 🤖

@Brendan_McCord

The academy for philosopher-builders (https://www.cosmos-institute.org). A law unto myself, just like you.

Rajat Monga

@rajatmonga

Inference @ Microsoft, Past: Founder TensorFlow, Inference IO

Abhi Venigalla

@ml_hardware

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

Thomas Dimson

@turtlesoupy

Technical Staff @OpenAI. Former CEO @illdotinc (acq. OpenAI). Authored “the algorithm” @Instagram. 🇨🇦. Purple monkey dishwasher.

🇺🇦 Alex Polozov

@Skiminok

Member of Technical Staff @reflection_ai • previously @GoogleDeepMind, @Theteamatx, @MSFTResearch, @uwcse • program synthesis, AI for Code & SWE

Simón

@simonpfish

beep boop

Karl Cobbe

@karlcobbe

Deep RL research @openai

Aliisa

@aliisarosenthal

former head of sales @openai, current investor @acrewcapital. fine-tuning two small models with @hodgessam.

Hugh Zhang

@hughbzhang

Andre Saraiva

@andresnds

o1-preview, o1-mini, o1, o3-mini,o4-mini, o3... Reasoning Researcher at OpenAI. Ex-DeepMind.

Ashvin Nair

@ashvinair

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

Felipe Such

@felipesuch

@OpenAI

Ashley Pilipiszyn

@AviatorAshley

space industrialist, founder/ceo @besxarfoundry 🚀 🏗️

julia villagra

@juliacvillagra

@coreautoai ex-Chief People Officer OpenAI | ex-HRT Head of People founder, Tertulia | board member, ICA SF | Mom