Chelsea Sierra Voss

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

Chris Olah

@ch402

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

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.

Mark Chen

@markchen90

Chief Research Officer at @OpenAI. Coach for the USA IOI Team.

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.

Jakub Pachocki

@merettm

OpenAI

Barret Zoph

@barret_zoph

@openai Past: - CTO & Co-Founder Thinking Machines Lab (@thinkymachines) - VP Research (Post-Training) @openai - Research Scientist at Google Brain

Jason Wei

@_jasonwei

ai researcher @meta superintelligence labs, past: openai, google 🧠

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

Sander Dieleman

@sedielem

Research Scientist at Google DeepMind (WaveNet, Imagen, Veo). I tweet about deep learning (research + software), music, generative models (personal account).

Shane Gu

@shaneguML

Gemini/Veo Thinking, Senior Staff AE @GoogleDeepMind. 🇯🇵-born 🇨🇳🇨🇦. ex: Gemini 1.5-3, GPT-4 @OpenAI, Google Robotics (JP: @shanegJP). Personal opinions.

Jerry Tworek

@MillionInt

CEO and co-founder of Core Automation former VP of RL @ OpenAI : reasoning models, o3, o1, GPT4, ChatGPT, Codex, RL for robots cautious AI optimist

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.

Luke Metz

@Luke_Metz

OpenAI Previously: Thinking Machines, Google Brain

Jack Rae

@jack_w_rae

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

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.

Igor Babuschkin

@ibab

Prev co-founder @xAI, Research & Engineering

Szymon Sidor

@sidorszymon

Building AGI one line of code at the time.

Bob McGrew

@bobmcgrewai

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

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).

tylercowen

@tylercowen

new book *Talent: How to Identify Energizers, Winners, and Creatives Around the World*, http://marginalrevolution.com, Conversations with Tyler, The Free Press.

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

Joanne Jang

@joannejang

trying to automate myself @coreautoai // prev: model behavior & labs @openai

Greg Yang

@TheGregYang

xai cofounder. fighting lyme

David Dohan

@dmdohan

reducing perplexity @openai | past: probabilistic programs, proteins, science & reasoning @ google brain 🧠

Irwan Bello

@IrwanBello

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

Tengyu Ma

@tengyuma

Assistant professor at Stanford; Co-founder of Voyage AI (http://voyageai.com) ; Working on ML, DL, RL, LLMs, and their theory.

sarah guo

@saranormous

startup investor/helper, founder @conviction. accelerating AI adoption, interested in progress. tech podcast: @nopriorspod

Amjad Masad

@amasad

ceo @replit. civilizationist

Richard Ngo

@RichardMCNgo

natural philosopher

Emmett Shear

@eshear

CEO of Softmax: Applied developmental cybernetics research

Jacob Steinhardt

@JacobSteinhardt

Associate Professor of Statistics and EECS, UC Berkeley // Co-founder and CEO, @TransluceAI

Karina

@karinanguyen

building @thoughtfullab, prev. AI research & product @OpenAI, @AnthropicAI, @maisonagi (side proj)

Peter Welinder

@npew

VP and GM @OpenAI

typedfemale

@typedfemale

a really exciting new account "advanced pytorch user" - @cHHillee alt: @typedalt

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.

David Luan

@jluan

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

Aditya Ramesh

@model_mechanic

VP Robotics @OpenAI

will depue

@willdepue

retired ex @openai (sora 1 & 2, posttraining o3/4o, pretraining moonshots)

Ethan Perez

@EthanJPerez

Large language model safety

kipply

@kipperrii

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

rapha

@rapha_gl

making models programmable @ openai

Eric Wallace

@Eric_Wallace_

research @openai

Boris Power

@BorisMPower

Head of Applied Research @OpenAI

Dean W. Ball

@deanwball

Leap into the boundless and make it your home

Yang Song

@DrYangSong

Research Principal of MSL

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.

Mo Bavarian

@mobav0

Scaling up RL at OpenAI 🍓 Optimization and long context research before. Math PhD, MIT.

swyx 🇸🇬

@swyx

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

Matt Brockman

@badphilosopher

playing in the sand

Hyung Won Chung

@hwchung27

AI Research Scientist @Meta Superintelligence Labs. Past: @OpenAI / @Google Brain / PhD @MIT

Aidan McLaughlin

@aidan_mclau

research scientist @openai

Tejal Patwardhan

@tejalpatwardhan

research @openai // pain is the moat

Scott Gray

@scottgray76

GPU Geek at @OpenAI. I have a long standing interest in neuroscience and its application to machine learning. He/Him.

Hongyu Ren

@ren_hongyu

research @meta superintelligence. CS PhD @stanford. prev @openai.

Isa Fulford

@isafulf

research @openai

Arvind Neelakantan

@arvind_io

Research Scientist, @GoogleDeepMind Past: @AIatMeta , @OpenAI, @Google Brain PhD @UMassAmherst

Nick

@nickcammarata

neural network biologist, meditation, jhana brother

Kevin Roose

@kevinroose

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

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.

Tom Brown

@nottombrown

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

Ryan Lowe 🥞

@ryan_t_lowe

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

Ananya Kumar

@ananyaku

Researcher at Meta TBD Labs. Previously core contributor to o1, o3, gpt5, at OpenAI. PhD at Stanford University AI Lab with Percy Liang and Tengyu Ma

Rowan Zellers

@rown

multimodal @thinkymachines. I also like to climb rocks and throw pottery. http://rowanzellers.com (he/him)

Alexander Berger

@albrgr

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

Christine McLeavey

@mcleavey

@openai audio team: gpt-4o, jukebox & musenet

Eric

@ericmitchellai

chatgpt posttraining @openai. building personal agi. I like ai and music and some other stuff

Ted Sanders

@sandersted

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

Tao Xu

@txhf

Learning Machine at OpenAI

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

Sam Schoenholz

@sschoenholz

@openai previously: @thinkymachines, google brain.

gabriel

@gabriel1

research at @OpenAI, previously at midjourney, swedish high school dropout

Stephen McAleer

@McaleerStephen

AI researcher at Anthropic

andy jones

@andy_l_jones

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

christina kim

@christinahkim

researcher @openai

Gabriel Goh

@gabeeegoooh

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

Johannes Heidecke

@JoHeidecke

Safety Systems @ OpenAI

Kai

@kaicathyc

Occasionally here. Currently research @OpenAI.

Ilya Kostrikov

@ikostrikov

Pre-Training Researcher @OpenAI, previously: RL/post-training @OpenAI, Postdoc at UC Berkeley @berkeley_ai, Researcher at Google Brain, PhD in CS @CILVRatNYU

Rui Shu

@_smileyball

I draw smileyball http://instagram.com/smiley._.ball Writing organic artisanal handcrafted code @OpenAI Previously doing the same @Stanford

Sherwin Wu

@sherwinwu

@OpenAI

Jiahui Yu

@jhyuxm

Lead Multimodal @Meta Superintelligence Lab. Previously led Perception @OpenAI; co-led Gemini Multimodal @GoogleDeepMind.

Nick Turley

@nickaturley

vp & head of @chatgptapp

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💺

Ariel Herbert-Voss

@adversariel

Founder @RunSybil. likes: offsec, LLMs, and dumb memes. prev: research scientist @OpenAI / CS PhD @Harvard / @defcon AI Village

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

Clive Chan

@itsclivetime

perplexity per picojoule @openai / formerly a car @tesla dojo

James Campbell

@jam3scampbell

post training @OpenAI

Shuchao Bi

@shuchaobi

Research at Meta Superintelligence Labs, RL/post-training/agents; Previously Research at OpenAI on multimodal and RL; Opinions are my own.

Evan Morikawa

@E0M

🤖 @Generalistai. Prev: led eng at @openai. Launched & scaled ChatGPT, GPT-4, DALL·E, APIs. Dir Eng @Nylas, Co-Founder @Proximate, @OlinCollege alum.

Gautam Kamath

@thegautamkamath

Assistant Prof of CS @UWaterloo, Faculty @VectorInst, Canada @CIFAR_News AI Chair. Joining @NYU_Courant Fall 2026. Co-EiC @TmlrOrg. I lead @TheSalonML.

Joscha Bach

@Plinz

heiner

@HeinrichKuttler

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

Ahmed El-Kishky

@ahelkky

Researcher at OpenAI

Alex Graveley

@alexgraveley

Co-creator Perplexity Computer, GitHub Copilot, Dropbox Paper. 2x CEO. Thruhiker. Survivor 🎗️

Ethan Caballero

@ethanCaballero

ML @Mila_Quebec ; previously @GoogleDeepMind

Dan Roberts

@danintheory

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

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

Alexey Guzey

@alexeyguzey

http://guzey.com, http://newscience.org, @openai; in pursuit of a just, beautiful future.

Steven Heidel

@stevenheidel

API @OpenAI | 🏳️‍🌈 he/him

Denis Yarats

@denisyarats

Cofounder & CTO @perplexity_ai

Srinivas Narayanan

@snsf

CTO of B2B Applications, OpenAI

Yash Patil

@ypatil125

Co-Founder, CEO @appliedcompute prev: @OpenAI, @Stanford

Jong Wook Kim 💟

@_jongwook_kim

Member of Technical Staff @OpenAI; previously at @nyuMARL, @SpotifyResearch, @pandoramusic, @kakaocorpglobal, and @NCSOFT

Kory Mathewson

@korymath

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

Yaroslav Bulatov

@yaroslavvb

@southparkcommons (early OpenAI, Google Brain, Meta) https://yaroslavvb.substack.com/ https://medium.com/@yaroslavvb https://yaroslavvb.blogspot.com/

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.

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

Reiichiro Nakano

@reiinakano

i like building awesome things with awesome people 🇵🇭 🇯🇵

Rosie Campbell

@RosieCampbell

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

Lachy Groom

@lachygroom

it's pronounced locky. lachygroom@gmail.com. π.com

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).

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

Robert Long

@rgblong

executive director of @eleosai AI consciousness and AI welfare

Ross

@rpoo

Michelle Pokrass

@michpokrass

shipping at openai

Tamara Winter

@tamarawinter

Publisher @stripepress | Board @ifp + @joinFAI | Creator of TACIT, a mini-documentary series following master craftspeople at work

Elizabeth Barnes

@BethMayBarnes

Tristan Hume

@trishume

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

Nadia Asparouhova

@nayafia

cloudcat // new book about ideas that don’t spread: https://darkforest.metalabel.com/antimemetics

José Luis Ricón Fernández de la Puente

@ArtirKel

Head of Theory at @RetroBio_ , enjoyer of things, blog: http://nintil.com

alth0u🧶

@alth0u

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

Ruoming Pang

@ruomingpang

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

Gill Verdon

@GillVerd

Founder & CEO @extropic

Keerthana Gopalakrishnan

@keerthanpg

Research Lead Gemini Robotics @GoogleDeepmind. Author of "AI for Robotics" book. Opinions my own.

Matt Clifford

@matthewclifford

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

Casey Chu

@caseychu9

Researcher at @openai

Oliver Habryka

@ohabryka

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

Erik Torenberg

@eriktorenberg

General Partner @a16z. Positive-sum. Striving for a thousand year heart.

raulpuri.eth

@TheRealRPuri

AI @ hrooeu sjmrtPectPs | past: OpenAI - ChatGPT Multimodal, Her, 4o, GPT4V, 4, 3.5, Codex | NVIDIA - megatron, language | 🐻

Miles Wang

@MilesKWang

Researcher @OpenAI

Irene Solaiman

@IreneSolaiman

ai stuff @huggingface 🤗 founded @evaluatingevals views=mine former: @OpenAI @Harvard aspiring ukulele-singer

Sam Shleifer

@sam_shleifer

Founding Team Thinking Machines. Previously @c.ai. I like zsh aliases, audiobooks, and running. This does not reflect the opinions of my future self.

Ben Kuhn

@benkuhn

Care a lot and try hard • making language models safer @AnthropicAI • prev CTO @WaveSenegal 🐧❤️

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.

Jacob Jackson

@jbfja

@cursor_ai, created https://same.energy, started @SupermavenAI and @Tabnine, formerly @OpenAI

David Schnurr

@_dschnurr

engineer @openai

will brown

@willccbb

reward hacking @primeintellect

Ishaan Gulrajani

@__ishaan

Hi! I’m a machine learning researcher @openai. Previously @stanford @facebook @google @mila_quebec

fraser

@Fraser

vc at @sparkcapital past: head of product at @openai; co-founder/ceo of an AI startup that was acquired by Airbnb

Marco Mascorro

@Mascobot

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

Dave

@dece

rachel lim

@_rlys

eng, aesthete, bookreader. building things @openai

Sarah Catanzaro

@sarahcat21

“All methods are sacred if they are internally necessary” (GP @amplifypartners, prev @canvasvc; Head of Data @Mattermark; @palantirtech; @c4ads)

Trenton Bricken

@TrentonBricken

Trying to make AI go well @AnthropicAI

Tifa Chen

@tifafafafa

i recruit with hotpot @ openai

shyamal

@shyamalanadkat

applied AI. prev @openai @dukeu. explorer in the age of research 🇮🇳

Marius Hobbhahn

@MariusHobbhahn

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

Yilun Du

@du_yilun

Assistant Professor at Harvard @KempnerInst + CS. PhD @MIT_CSAIL, BS MIT. Generative Models, Compositionality, Embodied Agents, Robot Learning.

hunter

@hunterlightman

openai

Lama Ahmad لمى احمد

@_lamaahmad

@OpenAI. views my own.

Pranav Shyam

@recurseparadox

research scientist at google deepmind. ಕನ್ನಡಿಗ. past: generative models @openai

Peter Wildeford🇺🇸🚀

@peterwildeford

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

Stephanie Zhan

@stephzhan

GP @Sequoia, investing in AI, from company formation. 1st partner to @linear @mach_industries @middeskhq @reflection_ai @ricursiveai @skildai @tavus

Ben Hamner

@benhamner

Sumble co-founder and CTO. Learning high-quality, structured data about the world. Formerly @kaggle

Peter J. Liu

@peterjliu

Building @getcompoundai (hiring: http://twentylabs.ai/careers). Was Research Scientist @ Google Brain / DeepMind, language model research. 🇨🇦🇺🇸

Brydon Eastman

@brhydon

🇨🇦 Mathematician (heavy on the ish) @thinkymachines Prev. MTS @OpenAI; PhD @WaterlooMath Certified wife guy, featured twice in Lego Magazine © ☕//🤔➡️💻

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

Jarred Sumner

@jarredsumner

building @bunjavascript at @anthropicai. formerly: @stripe (twice) @thielfellowship. high school dropout. npm i -g bun

Jordan Singer

@jsngr

ceo @mainframe building @async • prev. @figma @diagram (acq) @square

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🌹

Mason

@webdevMason

Prove me wrong

ben hylak

@benhylak

we are hiring. cto @raindrop_ai, prev @apple design, @spacex eng

Flo Crivello

@Altimor

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

Jordi Hays

@jordihays

Host @TBPN

andrew gao

@itsandrewgao

@cognition @stanford; prev @sequoia @LangChain @pika_labs; Z Fellow 🇺🇸; views my own

Trapit Bansal

@TrapitBansal

AI Research @Meta TBD Lab | Previously @OpenAI co-creator of OpenAI o1 (thinking in LLM)

Trevor Blackwell

@tlbtlbtlb

Robotics. Simulation. @ycombinator

Lulie

@reasonisfun

Epistemology applied to everything. 💫 Host of Reason Is Fun podcast w/ @DavidDeutschOxf 🎙️ Taking critical rationalism into life – how to improve both.

Maddie Simens

@maddiesimens

human in the loop @OpenAI

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

evan conrad

@evanjconrad

ceo @sfcompute

william

@wgussml

cofounder @ Project Prometheus, prev cofounder @generalagents, OpenAI, helped build copilot & MineRL, creator of ell

Michelle Fradin

@michelle_fradin

making helpful machines @OpenAI, investing in friends, previously @Sequoia, @Lawrencetheband fan

Vedant Misra

@vedantmisra

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

Atty Eleti

@athyuttamre

voice @openai

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

Li JING

@jingli9111

scaling world models @amilabs, previously @openai

John Hallman

@johnohallman

Post-training @OpenAI, previously pre-training/bio

Hadi Salman

@hadisalmanX

Research Scientist @OpenAI Previously: PhD @MIT @MSFTResearch @UberATG @SCSatCMU @AUB_Lebanon

Thomas Dimson

@turtlesoupy

Technical Staff @OpenAI. Former CEO @illdotinc (acq. OpenAI). Authored “the algorithm” @Instagram. 🇨🇦. Purple monkey dishwasher.

Rohan Sahai

@rohanjamin

working on chatgpt. write and play music for @ sally mango.

fouad

@fouadmatin

@openai codex, cyber, research, security

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

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.

Ryan Greene

@rabrg

ex @OpenAI

Jeffrey Wang

@jeffreygwang

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

James Dyett

@dyett

GTM at @openai

Simón

@simonpfish

beep boop

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.

Jason Phang

@zhansheng

Foundations at @OpenAI. PhD @NYUDataScience, @AiEleuther, 🇸🇬. Prev: @Google, @Microsoft

nataliestaud

@nataliestaud

model behavior @OpenAI

reah miyara

@reah_ai

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

Mostafa Rohaninejad

@MostafaRohani

RL Researcher @ OpenAI

Rhythm Garg

@rhythmrg

co-founder, cto @appliedcompute, prev research @OpenAI

Giambattista 'Gb' Parascandolo

@giambattista92

research fellow at @OpenAI for reasoning prev also @DeepMind, Google X, @MPI_IS, @ETH

Jonathan Lachman

@jonlachman

founding head of operations @thinkymachines // prev: head of special projects @openai, obama @whitehouse national security budget director

Josh McGrath

@j_mcgraph

search post training @ openai

Aliisa

@aliisarosenthal

former head of sales @openai, current investor @acrewcapital. fine-tuning two small models with @hodgessam.

ilge

@ilge

Researcher @OpenAI | there is as yet insufficient data for a meaningful answer.

Jason Wolfe

@w01fe

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

Hugh Zhang

@hughbzhang

Nitish

@StrongDuality

Michele Wang

@michelelwang

research @openai

Allison Tam

@allisontam_

research @OpenAI - prev @DeepMind

Neil Chowdhury

@ChowdhuryNeil

@TransluceAI, previously @OpenAI

Sandhini

@SandhiniAgarwal

AI Policy @OpenAI

Ashvin Nair

@ashvinair

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

Felipe Such

@felipesuch

@OpenAI

Wenda Zhou

@zhouwenda

OpenAI

filipe

@filipeabperes

seeking scientific speedups @OpenAI

Suvansh Sanjeev

@SuvanshSanjeev

Research @OpenAI. ex-🤖 @berkeley_ai, @CMU_Robotics. Teamwork makes the dream work, and Dreamworks makes Shrek.

Ashley Pilipiszyn

@AviatorAshley

space industrialist, founder/ceo @besxarfoundry 🚀 🏗️

Tyna Eloundou

@ThankYourNiceAI

Rohan Nuttall

@rohancalum

@openai

julia villagra

@juliacvillagra

@coreautoai ex-Chief People Officer OpenAI | ex-HRT Head of People founder, Tertulia | board member, ICA SF | Mom

Shantanu Jain

@hauntsaninja

@OpenAI. CPython core dev, making Python typing better https://hauntsaninja.github.io awesome in every mausam.

Lorenz Kuhn

@_lorenzkuhn

Reasoning Research @OpenAI | o1-preview through o3

Diane Yoon

@dorkydi

nervouscomputer

@nervouscomputer

iced latte in my veins

Daniel Ziegler

@d_m_ziegler

Alignment Stress-Testing @ Anthropic