Nitish

Alec Radford

@AlecRad

ML developer/researcher at OpenAI

Barret Zoph

@barret_zoph

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

Richard Socher

@RichardSocher

CEO @youdotcom MP @aixventuresHQ Before: Stanford Adj Prof in AI/NLP, Chief Scientist at Salesforce, MetaMind

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

Jack Rae

@jack_w_rae

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

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)

Aidan Clark

@_aidan_clark_

Qualitative Mathematics @OpenAI Ex: @DeepMind Hae sententiae verbaque mihi soli sunt

Chelsea Sierra Voss

@csvoss

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

Smerity

@Smerity

ML x society. Founding Member of Technical Staff at Project Prometheus. Prev @midjourney, @SFResearch, @CommonCrawl. @Harvard '14, @Sydney_Uni '11. 🇦🇺 in SF.

Nat McAleese

@__nmca__

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

Ashish Vaswani

@ashVaswani

will depue

@willdepue

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

Sebastian Ruder

@seb_ruder

Research Scientist @AIatMeta MSL • Ex @Cohere @GoogleDeepMind

Tim Dettmers

@Tim_Dettmers

Creator of bitsandbytes. Professor @CarnegieMellon and Research Scientist @allen_ai . I blog about deep learning and PhD life at http://timdettmers.com.

Eric Wallace

@Eric_Wallace_

research @openai

Rosanne Liu

@savvyRL

Mom. Cofounded & running @ml_collective. Co-host of Deep Learning Classics & Trends. Research at Google DeepMind. DEI/DIA Chair of ICLR & NeurIPS.

Luke Zettlemoyer

@LukeZettlemoyer

Yang Song

@DrYangSong

Research Principal of MSL

Matt Brockman

@badphilosopher

playing in the sand

Chip Huyen

@chipro

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

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

Mark Riedl

@mark_riedl

AI for storytelling, games, explainability, safety, ethics. Professor @GeorgiaTech. Associate Director @MLatGT. Time travel expert. Geek. Dad. he/him

Balaji Lakshminarayanan

@balajiln

Principal Research Scientist at @DeepMind. Opinions my own.

Yann Dubois

@yanndubs

Posttraining @OpenAI | PhD @StanfordAILab

Ted Sanders

@sandersted

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

Tao Xu

@txhf

Learning Machine at OpenAI

Sam Schoenholz

@sschoenholz

@openai previously: @thinkymachines, google brain.

Bryan Catanzaro

@ctnzr

VP, Applied Deep Learning Research @ NVIDIA

Stephen McAleer

@McaleerStephen

AI researcher at Anthropic

christina kim

@christinahkim

researcher @openai

Laurent Dinh

@laurent_dinh

Internet pedestrian. ✨Content creator✨ (ML researcher). Tweets were not peer reviewed. (he/him/his). Bluesky: https://bsky.app/profile/laurentdinh.bsky.social

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

Ari Morcos

@arimorcos

CEO and Co-founder @datologyai working to make it easy for anyone to make the most of their data. Former: RS @AIatMeta (FAIR), RS @DeepMind, PhD @PiN_Harvard.

Yu Bai

@yubai01

Training @OpenAI. Previously @SFResearch, PhD @Stanford.

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.

Kevin Lu

@_kevinlu

Research @thinkymachines

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💺

Brandon McKinzie

@mckbrando

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

Shuchao Bi

@shuchaobi

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

Naomi Saphra

@nsaphra

Waiting on a robot body. All opinions are universal and held by both employers and family. Now a dedicated grok hate account. Accepting ML/NLP PhD students.

heiner

@HeinrichKuttler

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

Julien Chaumond

@julien_c

Co-founder and CTO at @huggingface 🤗. ML/AI for everyone, building products to propel communities fwd. @Stanford + @Polytechnique

Sewon Min

@sewon__min

Assistant professor @Berkeley_EECS @berkeley_ai || Research scientist at @allen_ai || PhD from @uwcse @uwnlp

Ethan Caballero

@ethanCaballero

ML @Mila_Quebec ; previously @GoogleDeepMind

Steven Heidel

@stevenheidel

API @OpenAI | 🏳️‍🌈 he/him

Laurens van der Maaten

@lvdmaaten

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

Jong Wook Kim 💟

@_jongwook_kim

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

Pavel Izmailov

@Pavel_Izmailov

Researcher @AnthropicAI 🤖 Assistant Professor @nyuniversity 🏙️ Previously @OpenAI #StopWar 🇺🇦

Yaroslav Bulatov

@yaroslavvb

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

Reiichiro Nakano

@reiinakano

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

Gretchen Krueger

@GretchenMarina

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

Olivier Grisel

@ogrisel

Engineer at @probabl_ai, scikit-learn developer. More active at: https://sigmoid.social/@ogrisel https://bsky.app/profile/ogrisel.bsky.social

Hossein Mobahi

@TheGradient

Rεsεαrch Sciεητisτ @GoogleDeepMind. I ∈ Optimization ∩ Machine Learning. Here to discuss research 🤓. Like heavy music🤘.Origin=🇮🇷 Citizen=🇺🇸.

Michelle Pokrass

@michpokrass

shipping at openai

Konstantinos Bousmalis

@bousmalis

Research Scientist at DeepMind, working on robotic learning

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

Casey Chu

@caseychu9

Researcher at @openai

Adam Paszke

@apaszke

Author of PyTorch, Research Scientist at Google DeepMind. Currently working on Pallas, Mosaic and dex-lang. MIMUW CS & Math graduate. apaszke@types.pl

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.

Ishaan Gulrajani

@__ishaan

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

Marco Mascorro

@Mascobot

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

Dave

@dece

Georges Harik

@gharik

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

Tim Vieira

@xtimv

machine learning, reinforcement learning, programming languages, handstands (he/him)

shyamal

@shyamalanadkat

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

hunter

@hunterlightman

openai

Pranav Shyam

@recurseparadox

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

Ben Hamner

@benhamner

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

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

Brydon Eastman

@brhydon

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

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.

Tyna Eloundou

@ThankYourNiceAI

nervouscomputer

@nervouscomputer

iced latte in my veins