Tim Hwang

Andrej Karpathy

@karpathy

I like to train large deep neural nets. Previously Director of AI @ Tesla, founding team @ OpenAI, PhD @ Stanford.

Ian Goodfellow

@goodfellow_ian

Co-founder of stealth startup. Inventor of GANs. Lead author of http://www.deeplearningbook.org Founding chairman of @pubhealthaction

Chris Olah

@ch402

Reverse engineering neural networks at @AnthropicAI. Previously @distillpub, OpenAI Clarity Team, Google Brain. Personal account.

Sam Bowman

@sleepinyourhat

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

David Duvenaud

@DavidDuvenaud

Machine learning prof @UofT. Former team lead at Anthropic. Working on generative models, inference, & latent structure.

Dwarkesh Patel

@dwarkesh_sp

Host of @dwarkeshpodcast https://www.youtube.com/DwarkeshPatel https://open.spotify.com/show/4JH4tybY1zX6e5hjCwU6gF https://apple.co/3ujLQkZ

Nat Friedman

@natfriedman

http://nat.org

Paul Graham

@paulg

(((ل()(ل() 'yoav))))👾

@yoavgo

Natasha Jaques

@natashajaques

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

Catherine Olsson

@catherineols

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

Smerity

@Smerity

ML x society. Founding Member of Technical Staff at Project Prometheus. Prev @midjourney, @SFResearch, @CommonCrawl. @Harvard '14, @Sydney_Uni '11. 🇦🇺 in SF.

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).

Dumitru Erhan

@doomie

Co-lead of Gemini Omni @GoogleDeepMind. Senior Research Director.

Mustafa Suleyman

@mustafasuleyman

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

Aidan Gomez

@aidangomez

@cohere

Leopold Aschenbrenner

@leopoldasch

http://situational-awareness.ai

Melanie Mitchell

@MelMitchell1

Professor, Santa Fe Institute. Mostly posting on http://bsky.app (at-melaniemitchell). More thoughts at https://aiguide.substack.com.

Richard Ngo

@RichardMCNgo

natural philosopher

Douglas Eck

@douglas_eck

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

David Luan

@jluan

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

Alex Tamkin

@AlexTamkin

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

Deb Raji

@rajiinio

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

Hattie Zhou

@oh_that_hat

Building friendly AI. Give me anonymous feedback: https://www.admonymous.co/hattiezhou

kipply

@kipperrii

"uncanny ability to be mentioned in every slack thread about code that's mysteriously breaking" - claude

Tom Brown

@nottombrown

Co-founder and Chief Compute Officer @AnthropicAI

Helen Toner

@hlntnr

AI, national security, China. Part of the founding team at @CSETGeorgetown (opinions my own). Author of Rising Tide on substack: http://helentoner.substack.com

Dean W. Ball

@deanwball

Leap into the boundless and make it your home

Kristian Lum

@KLdivergence

Research Scientist at Google DeepMind | @FAccTConference OG | Past Twitter META, @hrdag & UPenn, UChicago faculty |

Adam D'Angelo

@adamdangelo

CEO of Quora, working on Poe: @poe_platform

Kevin Roose

@kevinroose

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

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.

Kyle Cranmer

@KyleCranmer

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

Shivon Zilis

@shivon

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

Anjney Midha

@AnjneyMidha

founder @amppublic

Evan Hubinger

@EvanHub

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

Leo Boytsov

@srchvrs

Machine learning scientist and engineer speaking πtorch & C++. Past @LTIatCMU, @awscloud. Opinions sampled from MY OWN 100T param LM.

Isabelle Augenstein

@IAugenstein

Full Professor @CopeNLU @uni_copenhagen. Formerly @ucl_nlp, @SheffieldNLP. Explainable AI, Natural Language Processing, ML.

Chenhao Tan

@ChenhaoTan

Professor @UChicagoCS @UChicago. Directing @ChicagoHAI, also part of @UChicagoCI. Email for Postdoc/PhD opportunities. https://chenhaot.com

heiner

@HeinrichKuttler

ex @xAI, @InflectionAI, @AIatMeta, @DeepMind, @Google, @LMU_Muenchen, PhD math-ph. Opinions my own. (Can be yours for a small fee.)

Ajeya Cotra

@ajeya_cotra

Helping the world prepare for extremely powerful AI. Risk assessment @METR_evals. Writing at Planned Obsolescence (about AI), Good Bones (about whatever).

Daniel Kokotajlo

@DKokotajlo

Jeremy Bernstein

@jxbz

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

Patrick Hsu

@pdhsu

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

Nick Frosst

@nickfrosst

cofounder @cohere - singer @goodkidband

Gabriel Goh

@gabeeegoooh

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

Yo Shavit

@yonashav

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

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.

Markus Wulfmeier

@m_wulfmeier

Chief Scientist #Nomagic - Prev. AI & Robotics @GoogleDeepMind @oxfordrobots @berkeley_ai @ETH @MIT - European @ELLISforEurope

Tamay Besiroglu

@tamaybes

Co-founder/CEO @MechanizeWork