Zvi Mowshowitz

Noam Brown

@polynoamial

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

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.

Christian Szegedy

@ChrSzegedy

#deeplearning, #ai research scientist. Opinions are mine.

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.

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

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

Aleksander Madry

@aleks_madry

OpenAI and MIT faculty (on leave)

Jason Kwon

@jasonkwon

CSO @openai

Zico Kolter

@zicokolter

Professor and Head of Machine Learning Department at @CarnegieMellon. Board member @OpenAI and @Qualcomm. Chief Scientist @GraySwanAI.

Eliezer Yudkowsky ⏹️

@ESYudkowsky

The original AI alignment person. Understanding the reasons it's difficult since 2003. This is my serious low-volume account. Follow @allTheYud for the rest.

Catherine Olsson

@catherineols

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

Sholto Douglas

@_sholtodouglas

Scaling RL @AnthropicAI, ex @DeepMind - working towards intelligence too cheap to meter

Matthew Johnson

@SingularMattrix

Researcher at Google Brain. I work on JAX (https://github.com/google/jax).

Dan Hendrycks

@hendrycks

• Center for AI Safety Director • xAI and Scale AI advisor • GELU/MMLU/MATH/HLE • PhD in AI • Analyzing AI models, companies, policies, and geopolitics

near

@nearcyan

this too has passed

Boaz Barak

@boazbaraktcs

Computer Scientist. See also http://windowsontheory.org . @harvard @openai opinions my own.

Leopold Aschenbrenner

@leopoldasch

http://situational-awareness.ai

Lulu Cheng Meservey

@lulumeservey

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

Irwan Bello

@IrwanBello

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

Joe Carlsmith

@jkcarlsmith

Philosophy, futurism, AI. Working on Claude's values @AnthropicAI. Formerly @coeff_giving. Opinions my own.

vitalik.eth

@VitalikButerin

I choose balance. First-level balance. mi pinxe lo crino tcati https://slatestarcodex.com/2018/09/12/in-the-balance/

Riley Goodside

@goodside

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

Nat McAleese

@__nmca__

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

Richard Ngo

@RichardMCNgo

natural philosopher

Taco Cohen

@TacoCohen

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

Emmett Shear

@eshear

CEO of Softmax: Applied developmental cybernetics research

Erik Brynjolfsson

@erikbryn

Director @DigEconLab Co-founder, @Workhelix @StanfordHAI @SIEPR @Stanford https://www.amazon.com/Second-Machine-Age-Prosperity-Technologies/dp/0393350649

Leo Gao

@nabla_theta

working on AGI alignment. prev: GPT-Neo, the Pile, LM evals, RL overoptimization, scaling SAEs to GPT-4, interp via circuit sparsity. EleutherAI cofounder.

Yisong Yue

@yisongyue

Machine Learning @Caltech (@YueLabCaltech). AI for invention at @AsariAILabs.

kipply

@kipperrii

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

Dean W. Ball

@deanwball

Leap into the boundless and make it your home

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.

Robin Hanson

@robinhanson

Let’s skip witty banter & talk deep Qs. Books: http://ageofem.com http://elephantinthebrain.com Chief Scientist @_futarchy Advisor @MetaDAOProject @butterygg

Gabriel Synnaeve

@syhw

Nerd & Dad. RL & CodeGen research since before it was cool.

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).

Chip Huyen

@chipro

@aisysbooks @goodailist AI Engineering: https://amazon.com/dp/1098166302 Designing MLSys: http://amazon.com/dp/1098107969 Reading @chipslib

Tejal Patwardhan

@tejalpatwardhan

research @openai // pain is the moat

Tim Salimans

@TimSalimans

AI Research Scientist

Daniel Kokotajlo

@DKokotajlo

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.

Nick

@nickcammarata

neural network biologist, meditation, jhana brother

Patrick McKenzie

@patio11

I work for the Internet and am an advisor to @stripe. These are my personal opinions unless otherwise noted.

Kevin Roose

@kevinroose

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

Matt Levine

@matt_levine

lunch valuation analyst

Tom Brown

@nottombrown

Co-founder @AnthropicAI. Compute wrangler. Author of GPT-3. Cautiously optimistic.

Dustin Moskovitz

@moskov

Max Schwarzer

@max_a_schwarzer

Doing RL @AnthropicAI. Formerly VP of Research, Head of Post-Training @OpenAI. PhD with Aaron Courville and Marc Bellmare at Mila.

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

Dylan HadfieldMenell

@dhadfieldmenell

Associate Prof @MITEECS working on value (mis)alignment in AI systems; Safety & Alignment Advisor at http://Character.AI; @dhadfieldmenell@bsky.social; he/him

Stephen McAleer

@McaleerStephen

AI researcher at Anthropic

Johannes Heidecke

@JoHeidecke

Safety Systems @ OpenAI

Pliny the Liberator 🐉󠅫󠄼󠄿󠅆󠄵󠄐󠅀󠄼󠄹󠄾󠅉󠅭

@elder_plinius

⊰•-•⦑ latent space steward ❦ prompt incanter 𓃹 hacker of matrices ⊞ breaker of markov chains ☣︎ ai danger researcher ⚔︎ bt6 ⚕︎ architect-healer ⦒•-•⊱

Kai

@kaicathyc

Occasionally here. Currently research @OpenAI.

William MacAskill

@willmacaskill

Consider donating 10% to effective charities: http://www.givingwhatwecan.org/pledge Or a career for impact: http://80000hours.org My research: http://forethought.org

Max Roser

@MaxCRoser

Data to understand global problems and research to make progress against them. Founder of @OurWorldInData / Professor at @UniofOxford's @BlavatnikSchool

Sherwin Wu

@sherwinwu

@OpenAI

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/

Liv Boeree

@Liv_Boeree

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

Connor Leahy

@NPCollapse

US 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

Preetum Nakkiran

@PreetumNakkiran

Mirendil

Alec Stapp

@AlecStapp

Co-founder @IFP, an innovation policy think tank

Luke Muehlhauser

@lukeprog

Coefficient Giving, AI Governance and Policy

Jason Crawford

@jasoncrawford

I write and speak about the history & philosophy of progress. Founder, @rootsofprogress. Host of the Progress Conference. Author, The Techno-Humanist Manifesto.

James Campbell

@jam3scampbell

post training @OpenAI

heiner

@HeinrichKuttler

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

Daniel

@growing_daniel

I’m asking you to do something well

Hannah Fry

@FryRsquared

All math and no trousers.

David Chalmers

@davidchalmers42

philosopher@NYU. consciousness, reality+, life, the universe, and everything.

Dan Roberts

@danintheory

Scientist @OpenAI. Prev. co-founder @diffeo, acquired by @salesforce // co-authored The Principles of Deep Learning Theory // studied gravity.

Yo Shavit

@yonashav

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

Teortaxes▶️ (DeepSeek 推特🐋铁粉 2023 – ∞)

@teortaxesTex

We're in a race. It's not USA vs China but humans and AGIs vs ape power centralization. @deepseek_ai stan #1, 2023–Deep Time «C’est la guerre.» ®1

Allan Dafoe

@AllanDafoe

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

Rivers Have Wings

@RiversHaveWings

AI/generative artist. Writes her own code. Absolute power is a door into dreaming.

Kory Mathewson

@korymath

@GoogleDeepMind generative AI models + agents | get great tech into the hands of great creative people

anton 🇺🇸

@atroyn

http://troynikov.io | founder @trychroma

Andy Matuschak

@andy_matuschak

More 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.

Angela Jiang

@jiangelaa

AI-maxxing @worktrace_ai 🩷 | Prev. Public Policy & Product @OpenAI, CS PhD @CarnegieMellon

Sam McCandlish

@samsamoa

Building AI as a human ally @AnthropicAI

Kevin Liu

@kliu128

Interested in ai, systems, progress, living a good life

Tim Hwang

@timhwang

high politics, secret exploration, distant warfare

Derek Thompson

@DKThomp

Sign up for my new newsletter! (Link below) Also: Co-author of Abundance, host of Plain English, and contributing writer at The Atlantic.

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

Benjamin Todd

@ben_j_todd

Founder @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

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

Jeffrey Ladish

@JeffLadish

Applying the security mindset to everything @PalisadeAI

Nate Soares ⏹️

@So8res

Trying to make AI not kill everyone

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

Alex Tabarrok

@ATabarrok

Prof of economics at George Mason, co-founder of the online education platform http://MRU.org. Advisor to firms, incl MultiversX, TEAL, Bluechip, 0L Network +

Ivan Zhao

@ivanhzhao

CEO @NotionHQ. Tools for thought.

Ross

@rpoo

Cate Hall

@catehall

preorder You Can Just Do Things, a guide to personal agency, now: https://shorturl.at/kOCpz anon feedback: http://shorturl.at/vxF24 | http://catehall.com

Michelle Pokrass

@michpokrass

shipping at openai

Tristan Hume

@trishume

Performance optimization lead @AnthropicAI. Profiling, distributed systems, dev tools, interpretability. tristan@thume.ca

Cas (Stephen Casper)

@StephenLCasper

AI safeguards & gov. research. PhD student @MIT_CSAIL (mnr. Public Policy), and Fellow at @BKCHarvard. Fmr. @AISecurityInst. https://stephencasper.com/

finbarr

@finbarrtimbers

modeling language at @allen_ai

Ben Mann

@8enmann

Make AI safe again

Steven Adler

@sjgadler

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

uncatherio

@uncatherio

wholesomeness practitioner; user of words my more "work" account is @catherineols

Casey Chu

@caseychu9

Researcher at @openai

Oliver Habryka

@ohabryka

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

Miles Wang

@MilesKWang

Researcher @OpenAI

David Schnurr

@_dschnurr

engineer @openai

Trenton Bricken

@TrentonBricken

Trying to make AI go well @AnthropicAI

Tristan Harris

@tristanharris

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

Marius Hobbhahn

@MariusHobbhahn

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

Irene Chen

@irenetrampoline

ML for healthcare and equity. Assistant Professor @UCBerkeley and @UCSF. Prev @Harvard, @MIT, @MSFTResearch

Nathan Labenz

@labenz

AI Scout, building text-2-video @Waymark, host of The Cognitive Revolution podcast

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

jasmine sun

@jasminewsun

anthropologist of disruption ✰ contributor @theatlantic ✰ newsletter http://jasmi.news

Lama Ahmad لمى احمد

@_lamaahmad

@OpenAI. views my own.

Michaël Trazzi

@MichaelTrazzi

http://michaeltrazzi.com

Peter Wildeford🇺🇸🚀

@peterwildeford

Head of Policy @AIPolicyNetwork. Ohioan. World champion forecaster. Former data scientist. Protecting liberty and prosperity in the age of superintelligence.

Samuel Hammond 🦉

@hamandcheese

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

Samuel Albanie 🇬🇧

@SamuelAlbanie

frontier evals lead for gemini @GoogleDeepMind

Nate Silver

@NateSilver538

Silver Bulletin, not the only thing I'm doing but the main thing and the best thing! https://natesilver.substack.com/

Matthew Yglesias

@mattyglesias

Slow Boring, cohosting http://politix.fm and The Argument pod. NYT contributing opinion writer.

Crémieux

@cremieuxrecueil

I write about genetics, 'metrics, and demographics. Read my long-form writing at http://www.cremieux.xyz.

Aella

@Aella_Girl

whorelord, survey artist, sample size queen, way too earnest. http://knowingless.com

Ross Douthat

@DouthatNYT

NYT columnist, author of Believe, https://www.zondervan.com/p/believe, host of Interesting Times, https://www.youtube.com/@InterestingTimesNYT

Casey Newton

@CaseyNewton

Writing @platformer. Co-hosting Hard Fork @nytimes. Posting good tweets to Instagram stories @crumbler. casey@platformer.news | http://mastodon.social/@caseynewton

Diana S. Fleischman

@sentientist

Evolutionary Psychologist. Mama. Married to @gmiller. I left academia so I can say whatever I like here now.

Byrne Hobart

@ByrneHobart

The John Henry of excessive use of the em-dash. Tweets are map, not territory. Co-author: Boom (Stripe Press): https://a.co/d/f7m2OG8 https://anomalyfund.vc/

Flo Crivello

@Altimor

Founder @getlindy. "Striving to remember the obvious over grasping the esoteric."

Stefan Schubert

@StefanFSchubert

I run The Update newsletter. Book: http://academic.oup.com/book/56384

Eli Dourado

@elidourado

Philanthrocapitalism at @AsteraInstitute. 🚀 tfp/acc

Sam Whitmore

@sjwhitmore

eng at @cursor_ai. not a cat (or a man) in real life. I like to run a lot! @newcomputer @kensho @harvard @StuyNY

Carina Hong

@CarinaLHong

@axiommathai : careers@axiommath.ai

Andy Masley

@AndyMasley

When the going gets weird the weird turn pro.

Reiner Pope

@reinerpope

CEO and founder, @MatXComputing, developing high throughput chips tailored for LLMs

Alex Bores

@AlexBores

NY Assemblymember, computer engineer, dad, husband. Running for Congress in NY-12 to rebuild democracy and deliver results. Big AI's #1 target.

David Manheim

@davidmanheim

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

Karan Singhal

@thekaransinghal

Health AI, AGI benefits, safety @OpenAI

Jerry Wei

@JerryWeiAI

Aligning AIs at @AnthropicAI ⏰ Past: @GoogleDeepMind, @Stanford, @Google Brain

theseriousadult

@gallabytes

father, ML enjoyer @anthropicai. previously @midjourney v2-7

Ruiqi Zhong @NeurIPS 25

@ZhongRuiqi

Member of Technical Staff at Thinking Machines. Human+AI collaboration. Scalable Oversight. Explainability. Prev @AnthropicAI PhD UC Berkeley'25; Columbia'19

Jeremy Nixon - Automating AI Research

@JvNixon

Founder of Infinity @infinity_ai_. Created the AGI Houses @agihousesf. Prev. Research at Google Brain & Math @Harvard.

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

reah miyara

@reah_ai

building rl systems & model evals ex @openai, @googledeepmind, @ibmwatsonx, @nasajpl

Jas Sekhon

@Jas_S_Sekhon

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

NatSecKatrina

@natseckatrina

Head of National Security Partnerships, OpenAI for Government. Formerly DOD, NSC, DOJ, and IC. Total Swiftie.

Jason Wolfe

@w01fe

alignment and the model spec @OpenAI (opinions are my own)

Ashvin Nair

@ashvinair

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

filipe

@filipeabperes

seeking scientific speedups @OpenAI

girish sastry

@girishsastry

AI & other things. I used to work at OpenAI on Policy Research.

Steven Kaas

@stevenkaas

Roy Frostig

@froystig

research scientist at @googledeepmind. co-author of JAX (https://github.com/jax-ml/jax)

Lorenz Kuhn

@_lorenzkuhn

Reasoning Research @OpenAI | o1-preview through o3

nervouscomputer

@nervouscomputer

iced latte in my veins

Daniel Ziegler

@d_m_ziegler

Alignment Stress-Testing @ Anthropic

Vinay S Rao

@vinaysrao

AI stuff at Project Prometheus, previously Nvidia, Meta, Character AI, Google Brain, Baidu.