Allan Dafoe

Jack Clark

@jackclarkSF

@AnthropicAI, ONEAI OECD, co-chair @indexingai, writer @ http://importai.net Past: @openai, @business @theregister. Neural nets, distributed systems, weird futures

John Schulman

@johnschulman2

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

Jan Leike

@janleike

Alignment team lead @AnthropicAI. Previously OpenAI & DeepMind. Optimizing for a post-AGI future where humanity flourishes. Opinions aren't my employer's.

Mira Murati

@miramurati

Now building @thinkymachines. Previously CTO @OpenAI

Sam Bowman

@sleepinyourhat

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

Percy Liang

@percyliang

professor of computer science @Stanford @stanfordnlp, co-founder of @togethercompute, creator of http://marin.community, co-founder of @simile_ai, pianist

Dwarkesh Patel

@dwarkesh_sp

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

Roger Grosse

@RogerGrosse

Zoubin Ghahramani

@ZoubinGhahrama1

VP Research, Google DeepMind, ex-head of Google Brain. Professor at University of Cambridge. Machine Learning Researcher. ex-Chief Scientist & VP of AI, Uber.

Jascha Sohl-Dickstein

@jaschasd

Member of the technical staff @ Anthropic. Most (in)famous for inventing diffusion models. AI + physics + neuroscience + dynamics.

Amanda Askell

@AmandaAskell

Philosopher & ethicist trying to make AI be good @AnthropicAI. Personal account. All opinions come from my training data.

Joshua Achiam

@jachiam0

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

David Duvenaud

@DavidDuvenaud

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

Shane Legg

@ShaneLegg

Chief AGI Scientist & Co-Founder, Google DeepMind Work website: http://www.deepmind.com Personal blog: http://www.vetta.org

Yee Whye Teh

@yeewhye

Find me @yeewhye@sigmoid.social Professor at @OxCSML, @oxfordstats and Research Director at @GoogleDeepMind. All opinions are my own.

Logan Kilpatrick

@OfficialLoganK

Member of technical staff, working on @GoogleAIStudio, the Gemini API, & Kaggle. My views!

Jason Kwon

@jasonkwon

CSO @openai

Eric Horvitz

@erichorvitz

Chief Scientific Officer, Microsoft

Tim Rocktäschel

@_rockt

Professor of AI @AI_UCL, PI @UCL_DARK, Fellow @ELLISforEurope. Ex @GoogleDeepMind @AIatMeta @CompSciOxford

Catherine Olsson

@catherineols

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

Natasha Jaques

@natashajaques

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

Leopold Aschenbrenner

@leopoldasch

http://situational-awareness.ai

Max Jaderberg

@maxjaderberg

President @IsomorphicLabs: solving disease with AI. Prev: Deepmind, Vision Factory (acq. Google), Oxford VGG.

Riley Goodside

@goodside

Screenshots from the jagged frontier. Formerly: Google DeepMind, Scale.

Nat McAleese

@__nmca__

Research @AnthropicAI. Previously @OpenAI, @DeepMind. Views my own.

Been Kim

@_beenkim

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

Taco Cohen

@TacoCohen

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

David Luan

@jluan

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

Ethan Perez

@EthanJPerez

Large language model safety

Dean W. Ball

@deanwball

Leap into the boundless and make it your home

Anca Dragan

@ancadianadragan

post training co-lead at Google DeepMind, focusing on safety, alignment, post training capabilities • associate professor at UC Berkeley EECS

Victoria Krakovna

@vkrakovna

Research scientist in AI alignment at Google DeepMind. Co-founder of Future of Life Institute @FLI_org. Views are my own and do not represent GDM or FLI.

Geoffrey Irving

@geoffreyirving

Chief Scientist at the UK AI Security Institute (AISI). Previously DeepMind, OpenAI, Google Brain, etc.

Kelsey Piper

@KelseyTuoc

We're not doomed, we just have a big to-do list.

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

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).

Owain Evans

@OwainEvans_UK

Runs an AI Safety research group in Berkeley (Truthful AI) + Affiliate at UC Berkeley. Past: Oxford Uni, TruthfulQA, Reversal Curse. Prefer email to DM.

Kevin Roose

@kevinroose

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

Theo Weber

@theophaneweber

Research scientist @ DeepMind; currently working on thinking/reasoning in Gemini.

Ryan Lowe 🥞

@ryan_t_lowe

full-stack alignment 🥞 @meaningaligned prev: InstructGPT @OpenAI

⿻ Andrew Trask

@iamtrask

i teach AI on X building AI with attribution-based control @openminedorg, @GoogleDeepMind, @OxfordUni, @UN, @GovAI_, and @CFR_org

Katja Grace 🔍

@KatjaGrace

Thinking about whether AI will destroy the world at http://aiimpacts.org. DM or email for media requests. Feedback: http://admonymous.co/googolplex

Feryal

@FeryalMP

Staff Research Scientist @DeepMind, Self-improvement in Gemini ♊️

Stephen McAleer

@McaleerStephen

AI researcher at Anthropic

andy jones

@andy_l_jones

engineering & research at anthropic. i don't check twitter DMs. email me!

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.

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.

@emilymbender.bsky.social

@emilymbender

Prof, Linguistics, UW // Faculty Director, CLMS // she/her // @emilymbender@dair-community.social & bsky // rep by @ianbonaparte

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.

Rob Wiblin

@robertwiblin

Host of the 80,000 Hours Podcast. Exploring the inviolate sphere of ideas one interview at a time: http://80000hours.org/podcast/

Toby Ord

@tobyordoxford

Senior Researcher at Oxford University. Author — The Precipice: Existential Risk and the Future of Humanity.

Liv Boeree

@Liv_Boeree

That poker girl. Host of the Win-Win podcast. Slaying Moloch & chasing horizons 🚀♣️🌳🦾 Watch my latest thing here 👇

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💺

Murray Shanahan

@mpshanahan

Professor at Imperial College London and Principal Scientist at Google DeepMind. Tweeting in a personal capacity. To send me a message please use email

Luke Muehlhauser

@lukeprog

Coefficient Giving, AI Governance and Policy

James Campbell

@jam3scampbell

post training @OpenAI

Alex Tamkin

@AlexTamkin

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

Ethan Caballero

@ethanCaballero

ML @Mila_Quebec ; previously @GoogleDeepMind

Peyman Milanfar

@docmilanfar

Distinguished Scientist at Google. National Academy of Engineering. Computational Imaging ∩ AI. Posts are personal opinions

Yo Shavit

@yonashav

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

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

Tamay Besiroglu

@tamaybes

Co-founder/CEO @MechanizeWork

Brian Christian

@brianchristian

Researcher at the University of Oxford & UC Berkeley. Author of The Alignment Problem, Algorithms to Live By (w. Tom Griffiths), and The Most Human Human.

David Abel

@dabelcs

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

Roberta Raileanu

@robertarail

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

Adam Gleave

@ARGleave

CEO & co-founder @FARAIResearch non-profit | PhD from @berkeley_ai | Alignment & robustness | on bsky as http://gleave.me

Sam McCandlish

@samsamoa

Building AI as a human ally @AnthropicAI

Ian Hogarth

@soundboy

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

Tim Hwang

@timhwang

high politics, secret exploration, distant warfare

Rosie Campbell

@RosieCampbell

Forever expanding my nerd/bimbo Pareto frontier. AI welfare 🤝 AI safety. Managing Director @eleosai, Ex-OpenAI, 2024 @rootsofprogress fellow

Gretchen Krueger

@GretchenMarina

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

Aman Sanger

@amanrsanger

@cursor_ai founder

Daniel Eth (yes, Eth is my actual last name)

@daniel_271828

Researching effects of automated AI R&D | pro-America, pro-tech, & pro-AI safety

Jeffrey Ladish

@JeffLadish

Applying the security mindset to everything @PalisadeAI

Summer Yue

@summeryue0

Safety and alignment at Meta Superintelligence. Prev: VP of Research at Scale AI, research at Google DeepMind / Brain (Gemini, LaMDA, RL / TFAgents, AlphaChip).

Rob Miles

@robertskmiles

Explaining AI Alignment to anyone who'll stand still for long enough, on YouTube and Discord. Music, movies, microcode, and high-speed pizza delivery

tom white

@dribnet

creations with code and networks

Elizabeth Barnes

@BethMayBarnes

Steven Adler

@sjgadler

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

Michela Paganini

@WonderMicky

Staff Research Scientist @DeepMind | LLMs, Evals & Model Understanding | Previously: @facebookAI | @Yale Physics PhD | @CERN | @BerkeleyLab | @UCBerkeley

William Isaac

@wsisaac

Principal Scientist @DeepMind | Previously @OSFellows & @hrdag. RT != endorsements. Opinions Mine. Pronouns: he/him| @williamis.bsky.social

Matt Clifford

@matthewclifford

Co-founder @join_ef; Chair @ARIA_Research; Make Britain Rich Again.

Oliver Habryka

@ohabryka

Building https://LessWrong.com and https://Lighthaven.space.

Miles Wang

@MilesKWang

Researcher @OpenAI

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.

Aleksandra Faust

@AleksandraFaust

Foundation Models & AI Agents for the Real World | AI Innovation from Inception to Societal Impact | @genesismolai • @GoogleDeepMind • @Waymo • @SandiaLabs

Tristan Harris

@tristanharris

• Co-founder @HumaneTech_ • Former Google Design Ethicist • Featured in Netflix's @SocialDilemma_ • #TIME100 for AI • Host #YourUndividedAttention podcast

Danny Hernandez

@Hernandez_Danny

Measuring and forecasting AI progress @AnthropicAI.

Marius Hobbhahn

@MariusHobbhahn

CEO at Apollo Research @apolloaievals prev. ML PhD with Philipp Hennig & AI forecasting @EpochAIResearch

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

Lama Ahmad لمى احمد

@_lamaahmad

@OpenAI. views my own.

Michaël Trazzi

@MichaelTrazzi

http://michaeltrazzi.com

Terah Lyons

@terahlyons

Samuel Hammond 🦉

@hamandcheese

Chief economist + AI Policy Director, @joinFAI. Nonresident fellow @NiskanenCenter. Pluralist. 'The world is second best, at best.' | samuel@thefai.org

Toby Shevlane

@tshevl

@_Mantic_AI cofounder & CEO, on a mission to solve forecasting. Prev: research scientist @GoogleDeepMind, PhD at @UniofOxford.

Samuel Albanie 🇬🇧

@SamuelAlbanie

frontier evals lead for gemini @GoogleDeepMind

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🌹

Brendan McCord 🏛️ x 🤖

@Brendan_McCord

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

Andy Masley

@AndyMasley

When the going gets weird the weird turn pro.

Vedant Misra

@vedantmisra

ASI @DeepMind | @OpenAI (Reasoning / Algorithms Lead) | @HubSpot (ML Labs) | Founder/CEO Kemvi (acq HubSpot) | Physics @Columbia | Husband and Dad

David Manheim

@davidmanheim

Lecturer @TechnionLive, founder @alter_org_il, emeritus @superforecaster, PhD @PardeeRAND Optimistic on AI, pessimistic on humanity managing the risks well.

Saffron Huang

@saffronhuang

how shall we live together? societal impacts researcher @AnthropicAI • ex @GoogleDeepMind @AISecurityInst⋅ @collect_intel co-founder • views mine

Jasmine Wang

@j_asminewang

Seán Ó hÉigeartaigh

@S_OhEigeartaigh

Director of http://ai-far.org at Uni of Cambridge | Researching Big Risks, and impacts of AI & emerging tech. Opinions own

Sarah Shoker

@SarahShoker

Senior Research Scholar in AI at the Berkeley Risk and Security Lab at UCB. Formerly the Lead of the Geopolitics Team at OpenAI.

Jas Sekhon

@Jas_S_Sekhon

Chief Strategy Officer at @GoogleDeepMind. Fmr Chief Scientist at Bridgewater and Professor at @UCBerkeley, @Yale, and @Harvard.

Hugh Zhang

@hughbzhang

Adam Brown

@A_G_I_Joe

Scientist at @GoogleDeepMind, leading Blueshift team doing science and reasoning at Gemini. Previously physics @Stanford.