Reverse engineering neural networks at @AnthropicAI. Previously @distillpub, OpenAI Clarity Team, Google Brain. Personal account.
Sam Bowman
@sleepinyourhat
RESEARCHERAI alignment + LLMs at Anthropic. On leave from NYU. Views not employers'. No relation to @s8mb. Into @givingwhatwecan.
Barret Zoph
@barret_zoph
RESEARCHER@openai Past: - CTO & Co-Founder Thinking Machines Lab (@thinkymachines) - VP Research (Post-Training) @openai - Research Scientist at Google Brain
Dwarkesh Patel
@dwarkesh_sp
CREATORHost of @dwarkeshpodcast https://www.youtube.com/DwarkeshPatel https://open.spotify.com/show/4JH4tybY1zX6e5hjCwU6gF https://apple.co/3ujLQkZ
Jascha Sohl-Dickstein
@jaschasd
RESEARCHERMember of the technical staff @ Anthropic. Most (in)famous for inventing diffusion models. AI + physics + neuroscience + dynamics.
Amanda Askell
@AmandaAskell
RESEARCHERPhilosopher & ethicist trying to make AI be good @AnthropicAI. Personal account. All opinions come from my training data.
Joshua Achiam
@jachiam0
RESEARCHERFreedom, flourishing, and abundance. Chief Futurist @openai. Main author of http://spinningup.openai.com
Catherine Olsson
@catherineols
ENGINEERHanging out with Claude, improving its behavior, and building tools to support that @AnthropicAI 😁 prev: @open_phil @googlebrain @openai (@microcovid)
Sholto Douglas
@_sholtodouglas
RESEARCHERScaling RL @AnthropicAI, ex @DeepMind - working towards intelligence too cheap to meter
tylercowen
@tylercowen
CREATORnew book *Talent: How to Identify Energizers, Winners, and Creatives Around the World*, http://marginalrevolution.com, Conversations with Tyler, The Free Press.
Boaz Barak
@boazbaraktcs
RESEARCHERComputer Scientist. See also http://windowsontheory.org . @harvard @openai opinions my own.
David Dohan
@dmdohan
RESEARCHERreducing perplexity @openai | past: probabilistic programs, proteins, science & reasoning @ google brain 🧠
Irwan Bello
@IrwanBello
RESEARCHERSupercomputers & Friends, AI & Science. Founding team & Research Lead at @reflection_ai. Past: @OpenAI, Founding team @character_ai, Google Brain
Joe Carlsmith
@jkcarlsmith
RESEARCHERPhilosophy, futurism, AI. Working on Claude's values @AnthropicAI. Formerly @coeff_giving. Opinions my own.
Karina
@karinanguyen
RESEARCHERbuilding @thoughtfullab, prev. AI research & product @OpenAI, @AnthropicAI, @maisonagi (side proj)
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.
Arvind Narayanan
@random_walker
RESEARCHERPrinceton CS prof and Director @PrincetonCITP. Coauthor of "AI Snake Oil" and "AI as Normal Technology". https://www.normaltech.ai/ Views mine.
kipply
@kipperrii
ENGINEER"uncanny ability to be mentioned in every slack thread about code that's mysteriously breaking" - claude
MMitchell
@mmitchell_ai
RESEARCHERInterdisciplinary researcher focused on shaping AI towards long-term positive goals. ML & Ethics. Similar content in the Skies (this bird has flown).
Geoffrey Irving
@geoffreyirving
RESEARCHERChief Scientist at the UK AI Security Institute (AISI). Previously DeepMind, OpenAI, Google Brain, etc.
Helen Toner
@hlntnr
POLICYAI, 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
RESEARCHERHelping the world prepare for extremely powerful AI. Risk assessment @METR_evals. Writing at Planned Obsolescence (about AI), Good Bones (about whatever).
Ezra Klein
@ezraklein
CREATORColumnist, @NYTOpinion Author, "Why We're Polarized" Host of "The Ezra Klein Show" podcast
Animesh Garg
@animesh_garg
RESEARCHERFoundation Models for Generalizable Autonomy in Robotics. Reinforcement Learning. Faculty in AI Robotics @GeorgiaTech. Prev @nvidia @UCberkeley @stanford
Devon ☀️
@devonzuegel
EXECUTIVEI've gone to look for myself. If I return before I get back, please ask me to wait. Prev @GitHub @NotionHQ @Affirm @StanfordReview. Now building @Esmeralda_Inst
Owain Evans
@OwainEvans_UK
RESEARCHERRuns 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
CREATORNYT tech columnist, Hard Fork co-host, high-perplexity language model. Writing a book about AGI.
Kyle Cranmer
@KyleCranmer
RESEARCHERDirector Data Science Institute @UWMadison @datascience_uw. EiC @MLSTjournal. Physics, stats/ML/AI, open science. same handle @sigmoid.social and bsky
Neel Nanda
@NeelNanda5
RESEARCHERMechanistic Interpretability lead DeepMind. Formerly @AnthropicAI, independent. In this to reduce AI X-risk. Neural networks can be understood, let's go do it!
Katja Grace 🔍
@KatjaGrace
RESEARCHERThinking about whether AI will destroy the world at http://aiimpacts.org. DM or email for media requests. Feedback: http://admonymous.co/googolplex
Dylan HadfieldMenell
@dhadfieldmenell
RESEARCHERAssociate Prof @MITEECS working on value (mis)alignment in AI systems; Safety & Alignment Advisor at http://Character.AI; @dhadfieldmenell@bsky.social; he/him
William MacAskill
@willmacaskill
RESEARCHERConsider donating 10% to effective charities: http://www.givingwhatwecan.org/pledge Or a career for impact: http://80000hours.org My research: http://forethought.org
Dileep George
@dileeplearning
RESEARCHERHead of AI @AsteraInstitute Prev: AGI @DeepMind, cofounder @vicariousai (acqd by Alphabet), cofounder @Numenta. IIT-Bombay, MS&PhD Stanford. http://www.agicomics.net
Chris Anderson
@chr1sa
CREATOR*Occupy the skies* Past in drones, airtaxis and media. Present in AI+Science. Also nerdy autonomous car racing hobby at @DIYRobocars Photo by @chrismichel
Max Roser
@MaxCRoser
RESEARCHERData to understand global problems and research to make progress against them. Founder of @OurWorldInData / Professor at @UniofOxford's @BlavatnikSchool
Patrick Hsu
@pdhsu
RESEARCHER@ArcInstitute co-founder, @BerkeleyBioE professor, @ThriveCapital investor | biology and ML research | 🇨🇦 prev @harvard @broadinstitute, Fast Grants
rishi
@RishiBommasani
RESEARCHERSocietal/economic impacts of AI; AI policy & governance @StanfordHAI Stanford CS PhD w/ @percyliang @jurafsky Cornell CS undergrad w/ @clairecardie
Christopher Potts
@ChrisGPotts
RESEARCHERStanford Professor of Linguistics and, by courtesy, of Computer Science. Member of technical staff @stanfordnlp and @StanfordAILab. Co-founder @ Bigspin AI.
Stephanie Chan
@scychan_brains
RESEARCHERStaff Research Scientist at DeepMind. Artificial & biological brains 🤖 🧠 Societal impacts of AI + Science of AI. Views are my own.
Rob Wiblin
@robertwiblin
CREATORHost of the 80,000 Hours Podcast. Exploring the inviolate sphere of ideas one interview at a time: http://80000hours.org/podcast/
Toby Ord
@tobyordoxford
RESEARCHERSenior Researcher at Oxford University. Author — The Precipice: Existential Risk and the Future of Humanity.
Liv Boeree
@Liv_Boeree
CREATORThat poker girl. Host of the Win-Win podcast. Slaying Moloch & chasing horizons 🚀♣️🌳🦾 Watch my latest thing here 👇
Hattie Zhou
@oh_that_hat
RESEARCHERI want to understand things deeply and explain them well. Building friendly AI @AnthropicAI Give me anonymous feedback: https://www.admonymous.co/hattiezhou
Connor Leahy
@NPCollapse
POLICYUS Director @ControlAI - Leave me anonymous feedback: http://bit.ly/3RZbu7x - I don't know how to save the world, but dammit I'm gonna try
Alex Tamkin
@AlexTamkin
RESEARCHERmachine learning, science & society @AnthropicAI | recently: Clio, Anthropic Economic Index, Claude Artifacts | prev: phd @StanfordAILab, @stanfordnlp
Yo Shavit
@yonashav
POLICYpolicy for v smart things @openai. Past: CS PhD @HarvardSEAS/@SchmidtFutures/@MIT_CSAIL. Tweets my own; on my head be it.
Alexey Guzey
@alexeyguzey
RESEARCHERhttp://guzey.com, http://newscience.org, @openai; in pursuit of a just, beautiful future.
Allan Dafoe
@AllanDafoe
POLICYAGI governance: navigating the transition to beneficial AGI (Google DeepMind)
jasmine collins
@jazco
RESEARCHERresearch scientist @databricks! previously @berkeley_ai phd, @googleai and @metaai. interested in human brains and computer brains 💫
Andy Matuschak
@andy_matuschak
RESEARCHERMore wonder, more insight, more expression, more joy! R&D on tools for thought, with a focus on memory, reading, and attention. Currently working on @pico.
Adam Gleave
@ARGleave
RESEARCHERCEO & co-founder @FARAIResearch non-profit | PhD from @berkeley_ai | Alignment & robustness | on bsky as http://gleave.me
Ian Hogarth
@soundboy
INVESTORinvestor at @pluralplatform, chair UK AI Security Institute, co-founder @songkick
Derek Thompson
@DKThomp
CREATORSign up for my new newsletter! (Link below) Also: Co-author of Abundance, host of Plain English, and contributing writer at The Atlantic.
Benjamin Todd
@ben_j_todd
FOUNDERFounder @80000Hours Writing about AI, careers and doing good 🦑 New book with Penguin: http://80000hours.org/book
Daniel Eth (yes, Eth is my actual last name)
@daniel_271828
RESEARCHERResearching effects of automated AI R&D | pro-America, pro-tech, & pro-AI safety
Rob Miles
@robertskmiles
CREATORExplaining AI Alignment to anyone who'll stand still for long enough, on YouTube and Discord. Music, movies, microcode, and high-speed pizza delivery
Alex Tabarrok
@ATabarrok
CREATORProf of economics at George Mason, co-founder of the online education platform http://MRU.org. Advisor to firms, incl MultiversX, TEAL, Bluechip, 0L Network +
Cate Hall
@catehall
CREATORpreorder You Can Just Do Things, a guide to personal agency, now: https://shorturl.at/kOCpz anon feedback: http://shorturl.at/vxF24 | http://catehall.com
Tamara Winter
@tamarawinter
EXECUTIVEPublisher @stripepress | Board @ifp + @joinFAI | Creator of TACIT, a mini-documentary series following master craftspeople at work
Boz
@boztank
EXECUTIVECTO @Meta. Leading Reality Labs and working on AR, VR, AI, and more. Built v1 of FB News Feed, Messenger, Groups, Mobile Ads. TweetDelete 6mo
José Luis Ricón Fernández de la Puente
@ArtirKel
RESEARCHERHead of Theory at @RetroBio_ , enjoyer of things, blog: http://nintil.com
Dan Wang
@danwwang
CREATORThe secure transport of light; Breakneck; industrial research at the Hoover History Lab
Steven Adler
@sjgadler
RESEARCHERAI safety researcher (ex-OpenAI: danger evals, AGI readiness, etc), writing at https://clear-eyed.ai
uncatherio
@uncatherio
RESEARCHERwholesomeness practitioner; user of words my more "work" account is @catherineols
Keerthana Gopalakrishnan
@keerthanpg
RESEARCHERResearch Lead Gemini Robotics @GoogleDeepmind. Author of "AI for Robotics" book. Opinions my own.
Matt Clifford
@matthewclifford
FOUNDERCo-founder @join_ef; Chair @ARIA_Research; Make Britain Rich Again.
Emma Pierson
@2plus2make5
RESEARCHERAssistant prof @Berkeley_EECS, core faculty @UCJointCPH. Developing ML methods to study health & inequality. https://bsky.app/profile/emmapierson.bsky.social
Shreya Shankar
@sh_reya
RESEARCHERData systems & HCI researcher. On the CS faculty job market. Created http://docetl.org and http://evals.info. PhD @Berkeley_EECS; undergrad @Stanford CS.
Philip E. Tetlock
@PTetlock
RESEARCHERPenn-Integrates-Knowledge (PIK) Professor, Wharton & School of Arts & Sciences. Likes = interesting; Retweets = very interesting; Interesting ≠ endorsement
Ben Kuhn
@benkuhn
ENGINEERCare a lot and try hard • making language models safer @AnthropicAI • prev CTO @WaveSenegal 🐧❤️
Daniela Amodei
@DanielaAmodei
FOUNDERPresident @AnthropicAI. Formerly @OpenAI, @Stripe, congressional staffer, global development
Tristan Harris
@tristanharris
POLICY• Co-founder @HumaneTech_ • Former Google Design Ethicist • Featured in Netflix's @SocialDilemma_ • #TIME100 for AI • Host #YourUndividedAttention podcast
Marius Hobbhahn
@MariusHobbhahn
FOUNDERCEO at Apollo Research @apolloaievals prev. ML PhD with Philipp Hennig & AI forecasting @EpochAIResearch
Eli Lifland
@eli_lifland
RESEARCHERAI forecasting and governance @AI_Futures_. Co-author of AI 2027 and the AI Futures Model. Also @aidigest_, @SamotsvetyF. Prev @oughtinc
jasmine sun
@jasminewsun
CREATORanthropologist of disruption ✰ contributor @theatlantic ✰ newsletter http://jasmi.news
Peter Wildeford🇺🇸🚀
@peterwildeford
POLICYHead of Policy @AIPolicyNetwork. Ohioan. World champion forecaster. Former data scientist. Protecting liberty and prosperity in the age of superintelligence.
Tim Ferriss
@tferriss
CREATORAuthor of 5 #1 NYT/WSJ bestsellers, early-stage investor (http://tim.blog/portfolio), Tim Ferriss Show podcast (1B+ downloads), founder of http://saiseifoundation.org
Matthew Yglesias
@mattyglesias
CREATORSlow Boring, cohosting http://politix.fm and The Argument pod. NYT contributing opinion writer.
Senator Scott Wiener
@Scott_Wiener
POLITICIAN6’7” CA State Senator 🏳️🌈 ✡️ Policy nerd & chronic legislative overachiever 🤓 Running for Congress to protect our democracy 💙 Vote June 2, 2026 🗳️
Julia Galef
@juliagalef
CREATORAuthor of THE SCOUT MINDSET and host of the Rationally Speaking podcast
Saloni
@salonium
CREATORCo-founder & editor @WorksInProgMag. Writer, Scientific Discovery. Podcaster, Hard Drugs. Advisor, @coeff_giving. // Prev @OurWorldInData. 🏳️🌈
Ruxandra Teslo 🧬
@RuxandraTeslo
POLICYClinical Trial Abundance | Fertility | @EmergentVentures | previously: PhD @sangerinstitute | long-form https://www.writingruxandrabio.com/
Dr Anton Howes
@antonhowes
CREATORInvention historian. I write *Age of Invention*, an email newsletter on the history of invention and economic history.
Brendan McCord 🏛️ x 🤖
@Brendan_McCord
POLICYThe academy for philosopher-builders (https://www.cosmos-institute.org). A law unto myself, just like you.
David Manheim
@davidmanheim
RESEARCHERLecturer @TechnionLive, founder @alter_org_il, emeritus @superforecaster, PhD @PardeeRAND Optimistic on AI, pessimistic on humanity managing the risks well.
Saffron Huang
@saffronhuang
RESEARCHERhow shall we live together? societal impacts researcher @AnthropicAI • ex @GoogleDeepMind @AISecurityInst⋅ @collect_intel co-founder • views mine
Silvana Konermann
@SKonermann
RESEARCHERCofounder @arcinstitute and Assistant Professor @Stanford. HHMI Hanna Gray Fellow. CRISPR, RNA and Alzheimer’s via @salkinstitute, @MIT and @eth
Matthew Barnett
@MatthewJBar
RESEARCHERCo-founder of @MechanizeWork Married to @natalia__coelho email: matthew at mechanize dot work
Matjaž Leonardis
@MatjazLeonardis
RESEARCHERInterested in learning and creativity. In both humans and machines. (Tweets about education, relationships, institutions, math and computation).
Joel Lehman
@joelbot3000
RESEARCHERML researcher, co-author Why Greatness Cannot Be Planned. Creative+safe AI, philosophy. SiR @second_natureai; prev OpenAI / Uber AI / Geometric Intelligence
Heidi L. Williams
@heidilwilliams_
RESEARCHERprofessor @dartmouth + science policy @ifp // leveraging research to promote science and progress
Seán Ó hÉigeartaigh
@S_OhEigeartaigh
RESEARCHERDirector of http://ai-far.org at Uni of Cambridge | Researching Big Risks, and impacts of AI & emerging tech. Opinions own
Michael Lai
@Mtclai
POLITICIANAI for state + local government @AnthropicAI | SF elected | community builder
Ashvin Nair
@ashvinair
RESEARCHERRL foundations @cursor_ai. Prev: o1, o3, Code Interpreter @openai, 9 years learning to poke by poking at UC Berkeley
Roy Frostig
@froystig
RESEARCHERresearch scientist at @googledeepmind. co-author of JAX (https://github.com/jax-ml/jax)
