#119Matthew Johnson
@SingularMattrix
OPEN SOURCEResearcher at Google Brain. I work on JAX (https://github.com/google/jax).
#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
#142Ferenc Huszár
@fhuszar
RESEARCHERFounder & Supreme Leader of Technical Staff at Reasonable. Professor on leave from @Cambridge_CL. Alum of @Twitter, Magic Pony, @Balderton
#147Brandon Amos
@brandondamos
RESEARCHER🧙 RL @Reflection_AI past: @MetaAi @GoogleDeepmind @SCSatCMU @Cornell_Tech
#171Omar Khattab
@lateinteraction
ACADEMICAsst professor @MIT CSAIL @nlp_mit. Research includes http://ColBERT.ai, http://DSPy.ai (@DSPyOSS), RLMs, and GEPA. Prev: CS PhD @StanfordNLP. Research @Databricks.
#189Eric Zelikman
@ericzelikman
FOUNDERcofounder & ceo @humansand - building ai for humans // was lgtm-ing @xAI, phd-ing @stanford
#203Dimitris Papailiopoulos
@DimitrisPapail
RESEARCHERResearcher @MSFTResearch, AI Frontiers | Prof @UWMadison (on leave) | babas of Inez Lily.
#208Azalia Mirhoseini
@Azaliamirh
FOUNDERFounder @RicursiveAI, Asst. Prof. of CS at Stanford. Prev: DeepMind, Anthropic, Brain. Co-Creator of MoEs, AlphaChip, Test Time Scaling Laws.
#210dr. jack morris
@jxmnop
RESEARCHERresearch // language models, information theory, science of AI // formerly @cornell
#236rishi
@RishiBommasani
POLICYEconomic impacts of AI; AI policy & governance @StanfordHAI Previous: Stanford CS PhD w/ @percyliang @jurafsky, Cornell CS
#251Rohan Pandey
@khoomeik
RESEARCH ENGINEERdescending cross-entropy to ascend entropy @PeriodicLabs || prev research @OpenAI @CarnegieMellon '23
#265Songlin Yang
@SonglinYang4
RESEARCH ENGINEERpretraining @thinkymachines. Prev. PhD @MIT_CSAIL. she/her/hers
#268Andrew Lampinen
@AndrewLampinen
RESEARCHERInterested in cognition and artificial intelligence. MTS at @AnthropicAI. Previously @DeepMind, cognitive science @StanfordPsych. Tweets are mine.
#317Pang Wei Koh
@PangWeiKoh
ACADEMICAssistant professor at @uwcse and research scientist at @allen_ai. Formerly @StanfordAILab @GoogleAI @Coursera. 🇸🇬
#345Balaji Lakshminarayanan
@balajiln
RESEARCHERPrincipal Research Scientist at @DeepMind. Opinions my own.
#353Niloofar
@niloofar_mire
RESEARCHERTechnical staff @humansand, incoming asst. prof @LTIatCMU @CMU_EPP, ex RS in @AIatMeta, postdoc @uwcse, Ph.D. @ucsd_cse, former @MSFTResearch -Privacy, ML, NLP
#362Quanquan Gu
@QuanquanGu
ACADEMICProfessor @UCLA, Pretraining and Scaling at ByteDance Seed | Recent work: Seed2.0, SeedFold | Opinions are my own
#372Ananya Kumar
@ananyaku
RESEARCH ENGINEERResearcher 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
#393Pavel Izmailov
@Pavel_Izmailov
ACADEMICResearcher @AnthropicAI 🤖 Assistant Professor @nyuniversity 🏙️ Previously @OpenAI #StopWar 🇺🇦
#398Rafael Rafailov @ NeurIPS
@rm_rafailov
RESEARCHERI work on RL at @thinkymachines. Previously at @StanfordAILab @GoogleDeepMind @UCBerkeley
#477Kyle Cranmer
@KyleCranmer
ACADEMICDirector Data Science Institute @UWMadison @datascience_uw. EiC @MLSTjournal. Physics, stats/ML/AI, open science. same handle @sigmoid.social and bsky
#480Rylan Schaeffer
@RylanSchaeffer
RESEARCHERAI RS @ Meta TBD. On-Leave from Stanford w/ @sanmikoyejo. Prev @ Gemini, Meta, MIT, Harvard, Uber, UCL, UC Davis
#504Erin Grant
@ermgrant
ACADEMICAssistant Professor / Faculty Fellow @NYUDataScience studying cognition in mind & brain with neural nets, Bayes, other tools | http://bsky.app/profile/eringrant.me
#506Kenneth Stanley
@kenneth0stanley
RESEARCHERSVP of Open-Endedness @LilaSciences. Prev: Maven CEO, Lead@OpenAI, Uber AI, prof@UCF. NEAT,HyperNEAT,novelty search, POET. Book:Why Greatness Cannot Be Planned
#523Sang Michael Xie
@sangmichaelxie
RESEARCHERself-improving @OpenAI. Prev: PhD @StanfordAILab, @GoogleAI Brain/DeepMind, @Meta GenAI
#585Ross Taylor
@rosstaylor90
RESEARCH ENGINEERCo-founder and CEO @GenReasoning. Previously lots of other things like: reasoning lead Meta AI, Llama 3/2, Galactica, Papers with Code.
#633Georges Harik
@gharik
FOUNDERhumans& co-founder, 7th employee google, co-created adwords online, co-created adsense targeting, worked on ai, gmail, calendar, bought android.
#641Sharon Li
@SharonYixuanLi
ACADEMICAssociate Professor @WisconsinCS. Making AI reliable for the open world. Program Chairing #ICML2026
#698David Hall
@dlwh
RESEARCH ENGINEERMember of Technical Staff @ Open Athena. Creator of Levanter and Marin. Previously Research Engineering @StanfordCRFM, co-founder at Semantic Machines ⟶ MSFT.
#701Costa Huang
@vwxyzjn
OPEN SOURCEExploiting physical rewards @periodiclabs. Prev: RL @allen_ai @huggingface. Built @cleanrl_lib.
#707Sara Beery
@sarameghanbeery
ACADEMICResearch on AI and biodiversity 🌍 Asst Prof at @MIT_CSAIL, #AIforConservation slack and @cv4ecology founder
#723Sarah Catanzaro
@sarahcat21
INVESTOR“All methods are sacred if they are internally necessary” (GP @amplifypartners, prev @canvasvc; Head of Data @Mattermark; @palantirtech; @c4ads)
#750Sayash Kapoor
@sayashk
RESEARCHERI tweet about AI agents, AI evals, AI for science. AI as Normal Technology: http://bit.ly/ai-nt Book: http://bit.ly/ai-so
#782Daniel Han
@danielhanchen
OPEN SOURCEBuilding @UnslothAI. Faster RL / training. LLMs bug hunter. OSS package http://github.com/unslothai/unsloth. YC S24. Prev ML at NVIDIA. Hyperlearn used by NASA.
#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💺
