Jan Leike
@janleike
AI SAFETYAI research @AnthropicAI. Previously OpenAI & DeepMind. Optimizing for a post-AGI future where humanity flourishes. Opinions aren't my employer's.
#67Zico Kolter
@zicokolter
ACADEMICProfessor and Head of Machine Learning Department at @CarnegieMellon. Board member @OpenAI and @Qualcomm. Chief Scientist @GraySwanAI.
#109Joshua Achiam
@jachiam0
AI SAFETYFreedom, flourishing, and abundance. Chief Futurist @openai. Main author of http://spinningup.openai.com
#215Stephanie Chan
@scychan_brains
RESEARCHERStaff Research Scientist at DeepMind. Artificial & biological brains 🤖 🧠 Societal impacts of AI + Science of AI. Views are my own.
#252Prafulla Dhariwal
@prafdhar
RESEARCH ENGINEERTechnical fellow @OpenAI. Co-creator of GPT-4o, GPT-3, DALL-E 2, Jukebox, Glow, PPO. Previously @MIT '17
#254will depue
@willdepue
RESEARCH ENGINEERretired ex @openai (sora 1 & 2, posttraining o3/4o, pretraining moonshots)
#290Leo Gao
@nabla_theta
AI SAFETYworking on AGI alignment. prev: GPT-Neo, the Pile, LM evals, RL overoptimization, scaling SAEs to GPT-4, interp via circuit sparsity. EleutherAI cofounder.
#305Alex Tamkin
@AlexTamkin
RESEARCHERmachine learning, science & society @AnthropicAI | recently: Clio, Anthropic Economic Index, Claude Artifacts | prev: phd @StanfordAILab, @stanfordnlp
#333Zhiqing Sun
@EdwardSun0909
RESEARCH ENGINEERLead Agents @Meta MSL TBD Lab. previously posttraining/agent research @OpenAI. CS PhD @LTIatCMU
#353Dylan HadfieldMenell
@dhadfieldmenell
AI SAFETYAssociate Prof @MITEECS working on value (mis)alignment in AI systems; Safety & Alignment Advisor at http://Character.AI; @dhadfieldmenell@bsky.social; he/him
#354Ananya 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
#376Pavel Izmailov
@Pavel_Izmailov
ACADEMICResearcher @AnthropicAI 🤖 Assistant Professor @nyuniversity 🏙️ Previously @OpenAI #StopWar 🇺🇦
#445Yao Fu
@Francis_YAO_
RESEARCH ENGINEERScaling @xAI. Previously Gemini 3 perception and project Astra @GoogleDeepMind
#507Scott Gray
@scottgray76
RESEARCH ENGINEERGPU Geek at @OpenAI. I have a long standing interest in neuroscience and its application to machine learning. He/Him.
#522Yaroslav Bulatov
@yaroslavvb
RESEARCH ENGINEER@southparkcommons (early OpenAI, Google Brain, Meta) https://yaroslavvb.substack.com/ https://medium.com/@yaroslavvb https://yaroslavvb.blogspot.com/
#558Evan Hubinger
@EvanHub
AI SAFETYAlignment Stress-Testing lead @AnthropicAI. Opinions my own. Previously: MIRI, OpenAI, Google, Yelp, Ripple. (he/him/his)
#638Yo Shavit
@yonashav
AI SAFETYpolicy for v smart things @openai. Past: CS PhD @HarvardSEAS/@SchmidtFutures/@MIT_CSAIL. Tweets my own; on my head be it.
#649Costa Huang
@vwxyzjn
OPEN SOURCEExploiting physical rewards @periodiclabs. Prev: RL @allen_ai @huggingface. Built @cleanrl_lib.
#672Jason Phang
@zhansheng
RESEARCHERFoundations at @OpenAI. PhD @NYUDataScience, @AiEleuther, 🇸🇬. Prev: @Google, @Microsoft
#795Ariel Herbert-Voss
@adversariel
FOUNDERFounder @RunSybil. likes: offsec, LLMs, and dumb memes. prev: research scientist @OpenAI / CS PhD @Harvard / @defcon AI Village
#891Cem Anil
@cem__anil
AI SAFETYMachine learning / AI Safety at @AnthropicAI and University of Toronto / Vector Institute. Prev. @google (Blueshift Team) and @nvidia.
#922Gretchen Krueger
@GretchenMarina
AI SAFETYOver at Bluesky. Researcher affiliated w @BKCHarvard, Volunteer @evitable. Previously @openai @ainowinstitute. Views mine. #justdontbuildagi #talktomenotchatgpt
#978Jacob Jackson
@jbfja
RESEARCH ENGINEER@cursor_ai, created https://same.energy, started @SupermavenAI and @Tabnine, formerly @OpenAI
#1067Irene Solaiman
@IreneSolaiman
POLICYai stuff @huggingface 🤗 founded @evaluatingevals views=mine former: @OpenAI @Harvard aspiring ukulele-singer
#1086Ashvin Nair
@ashvinair
RESEARCH ENGINEERRL foundations @cursor_ai. Prev: o1, o3, Code Interpreter @openai, 9 years learning to poke by poking at UC Berkeley
#1098Rosie Campbell
@RosieCampbell
AI SAFETYForever expanding my nerd/bimbo Pareto frontier. AI welfare 🤝 AI safety. Managing Director @eleosai, Ex-OpenAI, 2024 @rootsofprogress fellow
#1104Daniela Amodei
@DanielaAmodei
FOUNDERPresident @AnthropicAI. Formerly @OpenAI, @Stripe, congressional staffer, global development
#1111Ziming Liu
@ZimingLiu11
ACADEMICAssistant Professor @ Tsinghua CollegeAI (incoming), Postdoc @ Stanford, PhD @ MIT, BS @ PKU. Physics of AI, interpretability, Structuralism, KAN
#1204Marius Hobbhahn
@MariusHobbhahn
AI SAFETYCEO at Apollo Research @apolloaievals prev. ML PhD with Philipp Hennig & AI forecasting @EpochAIResearch
#1276Nitarshan
@nitarshan
AI SAFETYInternational policy @anthropic, PhD @cambridge_cl. Co-creator of @aisecurityinst, AI Safety Summit, UK AI Research Resource, EU AI Code of Practice.
