Lilian Weng
@lilianweng
Co-founder of Thinking Machines Lab @thinkymachines; Ex-VP, AI Safety & robotics, applied research @OpenAI; Author of Lil'Log
#27Noam Brown
@polynoamial
RESEARCH ENGINEERResearching reasoning @OpenAI | Co-created Libratus/Pluribus superhuman poker AIs, CICERO Diplomacy AI, and OpenAI o3 / o1 / 🍓 reasoning models
#50Sebastien Bubeck
@SebastienBubeck
RESEARCHERI work on AI at OpenAI. Former VP AI and Distinguished Scientist at Microsoft.
#88Tengyu Ma
@tengyuma
ACADEMICAssistant prof. @ Stanford; Chief AI Scientist @ MongoDB; Former Co-founder/CEO of Voyage AI Working on ML, DL, RL, LLMs, and their theory.
#99Joshua Achiam
@jachiam0
AI SAFETYFreedom, flourishing, and abundance. Chief Futurist @openai. Main author of http://spinningup.openai.com
#107Riley Goodside
@goodside
ENGINEERScreenshots of chatbots since 2022. Formerly: Google DeepMind, Scale.
#125Jerry Tworek
@MillionInt
RESEARCH ENGINEERCEO and co-founder of Core Automation former VP of RL @ OpenAI : reasoning models, o3, o1, GPT4, ChatGPT, Codex, RL for robots cautious AI optimist
#129Jeff Clune
@jeffclune
ACADEMICCo-founder, Recursive. Professor, CS, U. British Columbia. CIFAR AI Chair, Vector Institute. | ML, AI, deep RL, deep learning, AI-Generating Algorithms (AI-GAs)
#166David Dohan
@dmdohan
RESEARCHERreducing perplexity @openai | past: probabilistic programs, proteins, science & reasoning @ google brain 🧠
#214Bob McGrew
@bobmcgrewai
RESEARCH ENGINEERLearning new things. Former Chief Research Officer at OpenAI, early exec at Palantir, early employee at Paypal.
#228Aidan Clark
@_aidan_clark_
RESEARCH ENGINEERQualitative Mathematics @OpenAI Ex: @DeepMind Hae sententiae verbaque mihi soli sunt
#235will depue
@willdepue
RESEARCH ENGINEERretired ex @openai (sora 1 & 2, posttraining o3/4o, pretraining moonshots)
#251Rohan Pandey
@khoomeik
RESEARCH ENGINEERdescending cross-entropy to ascend entropy @PeriodicLabs || prev research @OpenAI @CarnegieMellon '23
#261Andrew Carr 🤸
@andrew_n_carr
RESEARCH ENGINEERco-founder leading science @getcartwheel co-founder advisor @arcade_ai Past: Codex @OpenAI, Brain @GoogleAI, world ranked Tetris player
#281Irwan Bello
@IrwanBello
RESEARCH ENGINEERSupercomputers & Friends, AI & Science. Founding team & Research Lead at @reflection_ai. Past: @OpenAI, Founding team @character_ai, Google Brain
#282David Luan
@jluan
RESEARCH ENGINEERretired!! former cofounder of @adeptailabs, vp engineering @openai and @amazon, and @google LLMs lead. all about type II fun.
#289Hongyu Ren
@ren_hongyu
RESEARCH ENGINEERresearch @meta superintelligence. CS PhD @stanford. prev @openai.
#314Peyman Milanfar
@docmilanfar
RESEARCHERDistinguished Scientist at Google. National Academy of Engineering. Computational Imaging ∩ AI. Posts are personal opinions
#352Zhiqing Sun
@EdwardSun0909
RESEARCH ENGINEERLead Agents @Meta MSL TBD Lab. previously posttraining/agent research @OpenAI. CS PhD @LTIatCMU
#418Chelsea Sierra Voss
@csvoss
RESEARCH ENGINEERengineeress ✨ Member of Technical Staff @openai // board $QCLS // past @pilothq, @sendwaveapp, @khanacademy, CS/math @MIT, 2x IBO gold
#422Yuchen Jin
@Yuchenj_UW
RESEARCH ENGINEERCooking fun AI systems & products @databricks. Prev: co-founder & CTO @ Hyperbolic, OctoAI (acquired by @nvidia) Apache TVM, PhD @ University of Washington.
#427Kevin Roose
@kevinroose
CREATORNYT tech columnist, Hard Fork co-host, high-perplexity language model. Writing a book about AGI.
#428Yu Bai
@yubai01
RESEARCH ENGINEERTraining Accelerations @OpenAI. Previously @SFResearch, PhD @Stanford.
#480Rylan Schaeffer
@RylanSchaeffer
RESEARCHERAI RS @ Meta TBD. On-Leave from Stanford w/ @sanmikoyejo. Prev @ Gemini, Meta, MIT, Harvard, Uber, UCL, UC Davis
#503Scott Gray
@scottgray76
RESEARCH ENGINEERGPU Geek at @OpenAI. I have a long standing interest in neuroscience and its application to machine learning. He/Him.
#530Patrick Hsu
@pdhsu
ACADEMIC@ArcInstitute co-founder, @Stanford professor, @ThriveCapital investor | biology and ML research | 🇨🇦 prev @harvard @broadinstitute, Fast Grants
#531Yaroslav Bulatov
@yaroslavvb
RESEARCH ENGINEER@southparkcommons (early OpenAI, Google Brain, Meta) https://yaroslavvb.substack.com/ https://medium.com/@yaroslavvb https://yaroslavvb.blogspot.com/
#561Shuchao Bi
@shuchaobi
RESEARCH ENGINEERResearch at Meta Superintelligence Labs, RL/post-training/agents; Previously Research at OpenAI on multimodal and RL; Opinions are my own.
#594Ilya Kostrikov
@ikostrikov
RESEARCH ENGINEERPre-Training Researcher @OpenAI, previously: RL/post-training @OpenAI, Postdoc at UC Berkeley @berkeley_ai, Researcher at Google Brain, PhD in CS @CILVRatNYU
#623Laurens van der Maaten
@lvdmaaten
RESEARCH ENGINEERMember of Technical Staff at Anthropic. Ex-Meta. t-SNE. Llama 3. DenseNet. Web-scale weakly supervised vision. CrypTen.
#689Adrien Ecoffet
@AdrienLE
RESEARCH ENGINEERTrying to make AGI go well. Researcher at @openai. Views my own.
#701Costa Huang
@vwxyzjn
OPEN SOURCEExploiting physical rewards @periodiclabs. Prev: RL @allen_ai @huggingface. Built @cleanrl_lib.
#708Jason Phang
@zhansheng
RESEARCHERFoundations at @OpenAI. PhD @NYUDataScience, @AiEleuther, 🇸🇬. Prev: @Google, @Microsoft
#726Brandon McKinzie
@mckbrando
RESEARCHERresearch @OpenAI | prev: multimodal @Apple, physics/cs @UCBerkeley
#822Jimmy Apples 🍎/acc
@apples_jimmy
CREATORWagmi. 2025. As featured in Bloomberg. As quoted by Nobel Prize winner Demis Hassabis. As mentioned on the Lex Fridman Podcast💺
#863Dan Roberts
@danintheory
RESEARCHERScientist @OpenAI. Prev. co-founder @diffeo, acquired by @salesforce // co-authored The Principles of Deep Learning Theory // studied gravity.
