BIO
research @openai
Chelsea Finn
@chelseabfinn
Asst Prof of CS & EE @Stanford Co-founder of Physical Intelligence @physical_int PhD from @Berkeley_EECS, EECS BS from @MIT
Zachary Lipton
@zacharylipton
Professor: CMU/@acmi_lab, Cofounder: @AbridgeHQ, Creator: @d2l_ai & http://approximatelycorrect.com, Relapsing 🎷
Eric Jang
@ericjang11
Sebastien Bubeck
@SebastienBubeck
I work on AI at OpenAI. Former VP AI and Distinguished Scientist at Microsoft.
Dan Roy
@roydanroy
@Google DeepMind. On leave, Canada CIFAR AI Chair and Former Research Director, @VectorInst. Professor, @UofT (Statistics/CS). Views are my own.
Zico Kolter
@zicokolter
Professor and Head of Machine Learning Department at @CarnegieMellon. Board member @OpenAI and @Qualcomm. Chief Scientist @GraySwanAI.
Tengyu Ma
@tengyuma
Assistant prof. @ Stanford; Chief AI Scientist @ MongoDB; Former Co-founder/CEO of Voyage AI Working on ML, DL, RL, LLMs, and their theory.
Aleksander Madry
@aleks_madry
OpenAI and MIT faculty (on leave)
Greg Yang
@TheGregYang
xai cofounder. fighting lyme
Eric Wallace
@Eric_Wallace_
Catherine Olsson
@catherineols
Hanging out with Claude, improving its behavior, and building tools to support that @AnthropicAI 😁 prev: @open_phil @googlebrain @openai (@microcovid)
Jacob Steinhardt
@JacobSteinhardt
Associate Professor of Statistics and EECS, UC Berkeley // Co-founder and CEO, @TransluceAI
David Dohan
@dmdohan
reducing perplexity @openai | past: probabilistic programs, proteins, science & reasoning @ google brain 🧠
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.
Tatsunori Hashimoto
@tatsu_hashimoto
Assistant Prof at Stanford CS, member of @stanfordnlp and statsml groups; Formerly at Microsoft / postdoc at Stanford CS / Stats.
rishi
@RishiBommasani
Economic impacts of AI; AI policy & governance @StanfordHAI Previous: Stanford CS PhD w/ @percyliang @jurafsky, Cornell CS
Prafulla Dhariwal
@prafdhar
Technical fellow @OpenAI. Co-creator of GPT-4o, GPT-3, DALL-E 2, Jukebox, Glow, PPO. Previously @MIT '17
Pang Wei Koh
@PangWeiKoh
Assistant professor at @uwcse and research scientist at @allen_ai. Formerly @StanfordAILab @GoogleAI @Coursera. 🇸🇬
Yann Dubois
@yanndubs
Posttraining @OpenAI | PhD @StanfordAILab
rapha
@rapha_gl
making models programmable @ openai
Ananya Kumar
@ananyaku
Research lead at Meta TBD Labs. Previously research lead and core contributor to o1, o3, gpt5, at OpenAI. PhD at Stanford with Percy Liang and Tengyu Ma
Mo Bavarian
@mobav0
Scaling up RL at OpenAI 🍓 Optimization and long context research before. Math PhD, MIT.
Ludwig Schmidt
@lschmidt3
Assistant professor at @Stanford and member of the technical staff at @AnthropicAI.
Yu Bai
@yubai01
Training Accelerations @OpenAI. Previously @SFResearch, PhD @Stanford.
Keller Jordan
@kellerjordan0
CIFAR-10 fanatic Pretraining @OpenAI OpCo LLC.
Ruiqi Zhong
@ZhongRuiqi
Member of Technical Staff at Thinking Machines. Human+AI collaboration. Scalable Oversight. Explainability. Prev @AnthropicAI PhD UC Berkeley'25; Columbia'19
Nelson Liu
@nelsonfliu
@OpenAI, tweets auto-deleted periodically.
Sang Michael Xie
@sangmichaelxie
self-improving @OpenAI. Prev: PhD @StanfordAILab, @GoogleAI Brain/DeepMind, @Meta GenAI
Jiaming Song
@baaadas
I need a vacation
Honglak Lee
@honglaklee
Co-Head (Executive VP and Chief Scientist) of LG AI Research; Professor of CSE, U. Michigan, Ann Arbor; Ex-Google Brain; Sloan Research Fellow
Leo Boytsov
@srchvrs
Machine learning scientist and engineer speaking πtorch & C++. Past @LTIatCMU, @awscloud. Opinions sampled from MY OWN 100T param LM.
Michael Chang
@mmmbchang
Amplify human creativity with Sora @openai Prev: Gemini and Project Astra @GoogleDeepMind, @LangChainAI, @MetaAI, @SchmidhuberAI PhD @berkeley_ai BS @MIT
Hossein Mobahi
@TheGradient
Rεsεαrch Sciεητisτ @GoogleDeepMind. I ∈ Optimization ∩ Machine Learning. Here to discuss research 🤓. Like heavy music🤘.Origin=🇮🇷 Citizen=🇺🇸.
Irene Chen
@irenetrampoline
ML for healthcare and equity. Assistant Professor @UCBerkeley and @UCSF. Prev @Harvard, @MIT, @MSFTResearch
Jessy Lin
@realJessyLin
ai x humans | prev PhD @Berkeley_AI
Tianyu Gao
@gaotianyu1350
@Meta MSL TBD lab and incoming assistant prof. @UCSanDiego. Prev @OpenAI @Princeton @Tsinghua_Uni
Jack Parker-Holder
@jparkerholder
Research Director scaling world models @GoogleDeepMind, Honorary Associate Professor @UCL_DARK. Dad (🧒👶🐶), CFC fan, BJJ. Views are my own :)
Josh Tobin
@josh_tobin_
automating scientific discovery @recursive_si
Costa Huang
@vwxyzjn
Exploiting physical rewards @periodiclabs. Creator of @cleanrl_lib. Prev: RL @allen_ai @huggingface.
Jeremy Cohen
@deepcohen
Research fellow at Flatiron Institute, working on understanding optimization in deep learning. Previously: PhD in machine learning at Carnegie Mellon.
Sarah Catanzaro
@sarahcat21
“All methods are sacred if they are internally necessary” (GP @amplifypartners, prev @canvasvc; Head of Data @Mattermark; @palantirtech; @c4ads)
Mengzhou Xia
@xiamengzhou
Research @OpenAI, PhD @princeton_nlp.
Zhijing Jin
@ZhijingJin
Prof @UofTCompSci. Director @JinesisLab. Founder @EuroSafeAI. Scientist@MPI_IS w/ @bschoelkopf. @CausalNLP, NLP4SocialGood @NLP4SG. Mentor&mentee @ACLMentorship
Kevin Zakka
@kevin_zakka
phding @Berkeley_AI
Andrej Risteski
@risteski_a
Machine learning researcher. Associate Professor, ML department at CMU (@mldcmu).
Cem Anil
@cem__anil
Machine learning / AI Safety at @AnthropicAI and University of Toronto / Vector Institute. Prev. @google (Blueshift Team) and @nvidia.
Judy Shen
@judyhshen
Societal Impacts Researcher @anthropic prev: @Stanford CS PhD 🇨🇦
Soheil Feizi
@FeiziSoheil
Founder, http://RELAI.ai | CS Prof, UMD | MIT/Stanford Alum | Presidential Award Recipient | AI/ML
Dylan Foster 🐢
@canondetortugas
Foundations of RL/AI @MSFTResearch. Previously @MIT @Cornell_CS RL Theory Lecture Notes: https://arxiv.org/abs/2312.16730
Rose
@rose_e_wang
@openai prev: Stanford CS PhD @stanfordnlp, Ai2, MIT 2020, Google Brain, Google Brain Robotics