Tamay Besiroglu

Noam Brown

@polynoamial

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

Christian Szegedy

@ChrSzegedy

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

Sam Bowman

@sleepinyourhat

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

Nat Friedman

@natfriedman

http://nat.org

Alexandr Wang

@alexandr_wang

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

Dwarkesh Patel

@dwarkesh_sp

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

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.

Jack Rae

@jack_w_rae

Distinguished Scientist @ Meta LLMs (e.g. Gopher, Chinchilla, Gemini, Muse) Compression & RL ☯️ Past: Google, OpenAI, Quora

Logan Kilpatrick

@OfficialLoganK

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

Jason Kwon

@jasonkwon

CSO @openai

Bob McGrew

@bobmcgrewai

Learning new things. Former Chief Research Officer at OpenAI, early exec at Palantir, early employee at Paypal.

Sholto Douglas

@_sholtodouglas

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

Jacob Andreas

@jacobandreas

Teaching computers to read. Assoc. prof @MITEECS / @MIT_CSAIL / @NLP_MIT (he/him). http://lingo.csail.mit.edu http://web.mit.edu/jda/www

Susan Zhang

@suchenzang

@ Google Deepmind. Past: @MetaAI, @OpenAI, @unitygames, @losalamosnatlab, @Princeton etc. Always hungry for intelligence.

rohan anil

@_arohan_

member of technical staff & co-founder of @coreautoai - and continuing to aspire to understand deep learning.

Boaz Barak

@boazbaraktcs

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

Leopold Aschenbrenner

@leopoldasch

http://situational-awareness.ai

Chelsea Sierra Voss

@csvoss

engineeress ✨ Member of Technical Staff @openai // serious play // past @pilothq, @sendwaveapp, @khanacademy, CS/math @MIT, 2x IBO gold

Joe Carlsmith

@jkcarlsmith

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

Riley Goodside

@goodside

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

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.

Erik Brynjolfsson

@erikbryn

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

Ethan Perez

@EthanJPerez

Large language model safety

Dylan Patel

@dylan522p

SemiAnalysis Boutique AI Infrastructure Research and Consulting DMs are open for consulting, quotes, or to talk shop, Opinions my own

augustus odena

@gstsdn

Something new. Previously: AI research at TBD Labs / Meta; cofounder at @AdeptAILabs; Invented Scratchpad / Chain-of-Thought; Google Brain

Dean W. Ball

@deanwball

Leap into the boundless and make it your home

Buck Shlegeris

@bshlgrs

CEO@Redwood Research (@redwood_ai), working on technical research to reduce catastrophic risk from AI misalignment. bshlegeris@gmail.com

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.

swyx 🇸🇬

@swyx

achieve ambition with intentionality, intensity, integrity & insanity. affiliations: - @dxtipshq - @cognition - @temporalio - @aidotengineer - @latentspacepod

Geoffrey Irving

@geoffreyirving

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

Chris J. Maddison

@cjmaddison

ML faculty @UofT

Kelsey Piper

@KelseyTuoc

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

Gabriel Synnaeve

@syhw

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

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

Aidan McLaughlin

@aidan_mclau

research scientist @openai

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.

Michael Truell

@mntruell

@cursor_ai CEO

Kevin Roose

@kevinroose

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

Dylan Field

@zoink

eliminate the gap between imagination and reality

Rohan Pandey

@khoomeik

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

Theo Weber

@theophaneweber

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

Alexander Berger

@albrgr

Enjoys a good applied micro paper. CEO of @coeff_giving. Views my own, tweets self-destruct every once in a while.

Stephen Roller

@stephenroller

MoTS @thinkymachines. previously pre-training @googledeepmind, @character_ai, and @aiatmeta.

Neel Nanda

@NeelNanda5

Mechanistic Interpretability lead DeepMind. Formerly @AnthropicAI, independent. In this to reduce AI X-risk. Neural networks can be understood, let's go do it!

Ted Sanders

@sandersted

Research at OpenAI. Be kind to others, and yourself.

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

Gabriel Goh

@gabeeegoooh

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

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.

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

Mostafa Dehghani

@m__dehghani

/google_deepmind/gemini/.

Dileep George

@dileeplearning

Head of AI @AsteraInstitute Prev: AGI @DeepMind, cofounder @vicariousai (acqd by Alphabet), cofounder @Numenta. IIT-Bombay, MS&PhD Stanford. http://www.agicomics.net

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.

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/

Josh Woodward

@joshwoodward

VP, @Google @GoogleLabs @GeminiApp @GoogleAIStudio

Sharif Shameem

@sharifshameem

playing with models @openai

Zhiqing Sun

@EdwardSun0909

Agents @Meta MSL TBD Lab. previously posttraining research @OpenAI train LLMs to do things: deep research, chatgpt agent, etc. CS PhD @LTIatCMU

Adam.GPT

@TheRealAdamG

Forward Deployed GTM at @OpenAI. Senior token slinger. A fan of NY sports, memes, tech & nice people. NJ. My opinions are my own.

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💺

Alec Stapp

@AlecStapp

Co-founder @IFP, an innovation policy think tank

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.

Brandon McKinzie

@mckbrando

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

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

Daniel

@growing_daniel

I’m asking you to do something well

Ethan Caballero

@ethanCaballero

ML @Mila_Quebec ; previously @GoogleDeepMind

Yo Shavit

@yonashav

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

Andrew Davison

@AjdDavison

From SLAM to Spatial AI; Professor of Robot Vision, Imperial College London; Director of the Dyson Robotics Lab; Co-Founder of Slamcore. FREng, FRS.

Peter Chen

@peterxichen

Building general purpose robotics at Amazon FAR. Previously Covariant CEO and Co-Founder, @OpenAI, @UCBerkeley PhD.

Allan Dafoe

@AllanDafoe

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

Laurens van der Maaten

@lvdmaaten

Member of Technical Staff at Anthropic. Ex-Meta. t-SNE. Llama 3. DenseNet. Web-scale weakly supervised vision. CrypTen.

Songlin Yang

@SonglinYang4

pretraining @thinkymachines. Prev. PhD @MIT_CSAIL. she/her/hers

anton 🇺🇸

@atroyn

http://troynikov.io | founder @trychroma

Adrien Ecoffet

@AdrienLE

Trying to make AGI go well. Researcher at @openai. Views my own.

Mihaela Rosca

@MihaelaCRosca

Gemini pre-training. Machine learning PhD from UCL. Views are my own. She/her.

Armand Joulin

@armandjoulin

distinguished scientist, @googledeepmind. ex director of emea at @metaai. led a few open projects: llama, fasttext, dino, and now gemma.

Angela Jiang

@jiangelaa

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

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

Trevor Cai

@trevorycai

i like big computers

Benjamin Todd

@ben_j_todd

Founder @80000Hours Writing about AI, careers and doing good 🦑 New book with Penguin: http://80000hours.org/book

yobibyte

@y0b1byte

the only yobibyte @ NVIDIA

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

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).

Robert Long

@rgblong

executive director of @eleosai AI consciousness and AI welfare

Brendan O'Donoghue

@bodonoghue85

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

Devendra Chaplot

@dchaplot

Building superintelligence @xai

Justine Moore

@venturetwins

Partner @a16z AI 🤖 and twin to @omooretweets | Investor in @elevenlabs, @bfl_ml, @hedra_labs, @krea_ai, @heyglif, @ShizukuAILabs, @wabi, @WaveFormsAI

Daniel Ek

@eldsjal

Father, Principal @ PM - Trying to build things that matter | Founder of Spotify and Neko Health

Elizabeth Barnes

@BethMayBarnes

alth0u🧶

@alth0u

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

finbarr

@finbarrtimbers

modeling language at @allen_ai

Ben Mann

@8enmann

Make AI safe again

Daniel Litt

@littmath

Assistant professor (of mathematics) at the University of Toronto. "Tireless math ronin." Algebraic geometry, number theory, etc. He/him.

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

Sasha Luccioni, PhD 🦋🌎✨🤗

@SashaMTL

Climate & AI Lead of @HuggingFace | Member of ClimateChangeAI | @TEDTalks speaker . (She/her/Dr/🦋)

David Schnurr

@_dschnurr

engineer @openai

Marco Mascorro

@Mascobot

Researching LLMs | Roboticist | Prev: Partner @a16z (inv: @cursor_ai, @thinkymachines, @bfl_ml, @WaveFormsAI, @deeptuneai, etc), cofounder @Fellow_AI

Ross Taylor

@rosstaylor90

Co-founder and CEO @GenReasoning. Previously lots of other things like: reasoning lead Meta AI, Llama 3/2, Galactica, Papers with Code.

Georges Harik

@gharik

humans& co-founder, 7th employee google, co-created adwords online, co-created adsense targeting, worked on ai, gmail, calendar, bought android.

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

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

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

Toby Shevlane

@tshevl

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

Machel Reid

@machelreid

research scientist @googledeepmind ♊️ post-training/thinking/rl

Samuel Albanie 🇬🇧

@SamuelAlbanie

frontier evals lead for gemini @GoogleDeepMind

Crémieux

@cremieuxrecueil

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

Packy McCormick

@packyM

Not Boring

Will Manidis

@WillManidis

and I saw the holy city, the new jerusalem, coming down out of heaven

Chubby♨️

@kimmonismus

Dream realized! Turned my love for AI into a career - sharing daily. Get my newsletter (225k+ subs): 🔗 https://linktr.ee/kimmonismus //📧 kim@getsuperintel.com

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🌹

Jay Hack

@mathemagic1an

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

David Shapiro (L/0)

@DaveShapi

Liberate humanity from drudgery.

bayes

@bayeslord

100% organic human tokens

Charlie Marsh

@charliermarsh

Building @astral_sh: Ruff, uv, and other high-performance Python tools. Prev: Staff engineer @SpringDiscovery, @KhanAcademy, BSE @PrincetonCS.

Saloni

@salonium

Co-founder & editor @WorksInProgMag. Writer, Scientific Discovery. Podcaster, Hard Drugs. Advisor, @coeff_giving. // Prev @OurWorldInData. 🏳️‍🌈

Mike Knoop

@mikeknoop

co-founder @ndea and @zapier @arcprize

Sonya Huang 🐥

@sonyatweetybird

Partner @Sequoia

Carina Hong

@CarinaLHong

@axiommathai : careers@axiommath.ai

Emery Wells

@emerywells

Founder of a unicorn, @Frame_io (acquired by Adobe). Video Pro. Apple Design Award winner.

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.

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

Matthew Barnett

@MatthewJBar

Co-founder of @MechanizeWork Married to @natalia__coelho email: matthew at mechanize dot work

Abhi Venigalla

@ml_hardware

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

theseriousadult

@gallabytes

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

Jacob Trefethen

@JacobTref

OpenAI Foundation science!

Rylan Schaeffer

@RylanSchaeffer

AI RS @ Meta TBD. On-Leave from Stanford w/ @sanmikoyejo. Prev @ Gemini, Meta, MIT, Harvard, Uber, UCL, UC Davis

Kevin Kwok

@antimatter15

About myself in fewer than 160 chars.

Jeffrey Wang

@jeffreygwang

Researcher @OpenAI, working on pretraining & reasoning. Previously (and perhaps again) CS/Math/English @Harvard.

Mostafa Rohaninejad

@MostafaRohani

RL Researcher @ OpenAI

Hugh Zhang

@hughbzhang

Neil Chowdhury

@ChowdhuryNeil

@TransluceAI, previously @OpenAI

Ashvin Nair

@ashvinair

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

Steven Kaas

@stevenkaas

Rohan Nuttall

@rohancalum

@openai

Roy Frostig

@froystig

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