BIO
@xAI
hardmaru
@hardmaru
Co-Founder and CEO @SakanaAILabs 🎏
Zachary Lipton
@zacharylipton
Professor: CMU/@acmi_lab, Cofounder: @AbridgeHQ, Creator: @d2l_ai & http://approximatelycorrect.com, Relapsing 🎷
Jim Fan
@DrJimFan
NVIDIA Director of Robotics & Distinguished Scientist. Co-Lead of GEAR lab. Solving Physical AGI, one motor at a time. Stanford Ph.D. OpenAI's 1st intern.
Graham Neubig
@gneubig
Associate professor @LTIatCMU. Co-founder/chief scientist @OpenHandsDev. I mostly work on modeling language.
Logan Kilpatrick
@OfficialLoganK
Member of technical staff, working on Gemini, @GoogleAIStudio, the Gemini API, & Kaggle. My views!
Barret Zoph
@barret_zoph
@openai Past: - CTO & Co-Founder Thinking Machines Lab (@thinkymachines) - VP Research (Post-Training) @openai - Research Scientist at Google Brain
Christian Szegedy
@ChrSzegedy
#deeplearning, #ai research scientist. Opinions are mine.
Diyi Yang
@Diyi_Yang
Assistant Professor @Stanford CS @StanfordNLP @StanfordAILab Part time @humansand LLMs for Humans
Igor Babuschkin
@ibab
CEO & Co-Founder @river_ai_inc. Previously @xAI, Research & Engineering
Riley Goodside
@goodside
Screenshots of chatbots since 2022. Formerly: Google DeepMind, Scale.
Denny Zhou
@denny_zhou
Build LLM to reason
Rishabh Agarwal
@agarwl_
Reinforcement Learner @periodiclabs, Adjunct Prof at McGill. Ex Meta, DeepMind, Brain, @iitbombay. NeurIPS Best Paper, On-Policy Distillation
Greg Durrett
@gregd_nlp
Associate professor at NYU (Courant CS + Center for Data Science) | advisor for @bespokelabsai | large language models and NLP | he/him
Amjad Masad
@amasad
ceo @replit. civilizationist
Ashish Vaswani
@ashVaswani
Greg Yang
@TheGregYang
xai cofounder. fighting lyme
Eric Zelikman
@ericzelikman
cofounder & ceo @humansand - building ai for humans // was lgtm-ing @xAI, phd-ing @stanford
David Dohan
@dmdohan
reducing perplexity @openai | past: probabilistic programs, proteins, science & reasoning @ google brain 🧠
Andrew Lampinen
@AndrewLampinen
Interested in cognition and artificial intelligence. MTS at @AnthropicAI. Previously @DeepMind, cognitive science @StanfordPsych. Tweets are mine.
Niloofar ✈️ icml
@niloofar_mire
Technical staff @humansand, incoming asst. prof @LTIatCMU @CMU_EPP, ex RS in @AIatMeta, postdoc @uwcse, Ph.D. @ucsd_cse, former @MSFTResearch -Privacy, ML, NLP
Sameer Singh @ ACL 2026
@sameer_
Cofounder @SpiffyAI (aka Envive AI) and Prof at @UCIrvine, works on reliable LLMs, explanations for AI+ML, safety for NLP, and debugging/evaluation.
Mohit Iyyer
@MohitIyyer
assoc. prof at @umdcs, i work on nlp/llms
Siva Reddy
@sivareddyg
Assistant Professor @Mila_Quebec @McGillU @ServiceNowRSRCH; Postdoc @StanfordNLP; PhD @EdinburghNLP; Natural Language Processor #NLProc
Shunyu Yao
@ShunyuYao12
Language agents
Omer Levy
@omerlevy_
AI Researcher at Google DeepMind
Daniel Fried
@dan_fried
Assistant prof. @LTIatCMU @SCSatCMU. Working on NLP: LLM agents, language-to-code, applied pragmatics, grounding.
Vered Shwartz
@VeredShwartz
Assistant Professor @UBC_CS & @VectorInst working on Natural Language Processing. Book: https://lostinautomatictranslation.com/. 🦋: @veredshwartz.bsky.social
Wenhu Chen
@WenhuChen
Meta MSL. I led PoT, MMMU, MMLU-Pro, ClawBench, MAmmoTH, General-Reasoner, VL-Rethinker, VLM2Vec. I contributed to Gemini-2.5 and Muse Spark series.
Quanquan Gu
@QuanquanGu
Professor @UCLA, Ex-ByteDance Seed | Recent work: Seed2.0, SeedFold, SeedProteo | Opinions are my own
Weijia Shi
@WeijiaShi2
@uwnlp @aclmentorship | Prev @allen_ai @MetaAI @CS_UCLA
Alex Graveley
@alexgraveley
Co-creator Perplexity Computer, GitHub Copilot, Dropbox Paper. 2x CEO. Thruhiker. Survivor 🎗️
Stephen McAleer
@McaleerStephen
AI researcher at Anthropic
Mo Bavarian
@mobav0
Scaling up RL at OpenAI 🍓 Optimization and long context research before. Math PhD, MIT.
Prithviraj (Raj) Ammanabrolu
@rajammanabrolu
Reinforcement Learning and Language. Assistant Prof @UCSanDiego. Research Scientist @Nvidia.
Sebastian Gehrmann
@sebgehr
Head of Responsible AI, CTO office @Bloomberg. Formerly LLMs @ Google Brain / PhD @ Harvard. views my own
Yuhuai (Tony) Wu
@Yuhu_ai_
know thyself. co-founder @xai.
Sarah Wiegreffe ✈️ ICML
@sarahwiegreffe
Research in NLP & trustworthy ML (mostly interpretability). Trying to make LMs more transparent, reliable, & safe. Assistant prof @umdcs @clipumd Views my own.
Zhiqing Sun
@EdwardSun0909
Lead agent research @Meta MSL TBD Lab. previously posttraining/agent research @OpenAI. CS PhD @LTIatCMU
James Campbell
@jam3scampbell
post training @OpenAI
Jimmy Ba
@jimmybajimmyba
100x | pumping MPI up co-founder @xai | @uoft
Rafael Rafailov @ NeurIPS
@rm_rafailov
I work on RL at @thinkymachines. Previously at @StanfordAILab @GoogleDeepMind @UCBerkeley
Cas (Stephen Casper)
@StephenLCasper
Computer scientist working on AI safeguards and gov research. Assistant professor @Kennedy_School @Harvard. https://stephencasper.com/
Sherjil Ozair
@sherjilozair
prometheus | founder @GeneralAgentsCo | previously autopilot @tesla, deep learning @googledeepmind, phd http://mila.quebec, cs @iitdelhi
Leo Boytsov
@srchvrs
Machine learning scientist and engineer speaking πtorch & C++. Past @LTIatCMU, @awscloud. Opinions sampled from MY OWN 100T param LM.
Yao Fu
@Francis_YAO_
Prev. Grok 4.5 pretraining scaling @xAI; Gemini 3 perception and project Astra @GoogleDeepMind
niki parmar
@nikiparmar09
Working @Anthropic. Views expressed here are my own.
Gabriel Ilharco
@gabriel_ilharco
AI Research Scientist
Guodong Zhang
@Guodzh
Maybe the real AGI was the friends we made along the way.
Swaroop Mishra
@Swarooprm7
Research Scientist at @GoogleDeepmind, Opinions mine
Harrison Chase
@hwchase17
@LangChain Always hiring: https://www.langchain.com/careers