Expertise index

Find the people who know the subject

Search public expertise, recent signals and peer connections—not follower popularity alone.

976 matching experts 4,280 tracked across all sources

Showing 1–48 of 976. Trust means peer connections inside the directory; expertise labels come from public profile evidence.

Margaret Mitchell

Researcher at Hugging Face working on ML and ethics

@mmitchell.bsky.social

Why they matter Researcher at Hugging Face working on ML and ethics with public evidence across AI research and Responsible AI.

Researcher trying to shape AI towards positive outcomes. ML & Ethics +birds. Generally trying to do the right thing. TIME 100 | TED speaker | Senate testimony provider…

1050 peer trust 0 signals / 30d active 28d ago

Melanie Mitchell

Professor at the Santa Fe Institute, AI and cognitive science

@melaniemitchell.bsky.social

Why they matter Professor at the Santa Fe Institute, AI and cognitive science with public evidence across AI research.

Professor, Santa Fe Institute. Research on AI, cognitive science, and complex systems. Website: https://melaniemitchell.me Substack: https://aiguide.substack.com/

Latest measured signal Security incident disclosure — July 2026 huggingface.co · 16d ago
981 peer trust 2 signals / 30d active 2d ago

Mark Riedl

Professor of AI at Georgia Tech, storytelling and safety

@markriedl.bsky.social

Why they matter Professor of AI at Georgia Tech, storytelling and safety with public evidence across AI research and AI business.

AI for storytelling, games, explainability, safety, ethics. Professor at Georgia Tech. Director of ML Center at GT. Time travel expert. Geek. Dad. he/him

Latest measured signal GPT-6 Astra beat Portal, and it only cost $571.18 theverge.com · 5h ago
877 peer trust 23 signals / 30d active 5h ago

Naomi Saphra

NLP and interpretability researcher

@nsaphra.bsky.social

Why they matter NLP and interpretability researcher with public evidence across AI research and Agents & robotics.

Waiting on a robot body. All opinions are universal and held by both employers and family. ML/NLP professor. nsaphra.net

Latest measured signal Silicon Valley Is Turning Into Its Own Worst Fear buzzfeednews.com · 4h ago
820 peer trust 5 signals / 30d active 4h ago

Maria Antoniak

Assistant professor of CS, NLP and cultural analytics

@mariaa.bsky.social

Why they matter Assistant professor of CS, NLP and cultural analytics with public evidence across AI research and Culture, work & education.

NLP, cultural analytics. Assistant Professor of CS at University of Colorado Boulder. Books, bikes, games, art. https://maria-antoniak.github.io

810 peer trust 9 signals / 30d active 11h ago

Nathan Lambert

Post-training researcher at Ai2, writes Interconnects

@natolambert.bsky.social

Why they matter Post-training researcher at Ai2, writes Interconnects with public evidence across Agents & robotics and AI research.

A LLN - large language Nathan - (RL, RLHF, society, robotics), athlete, yogi, chef Writes http://interconnects.ai At Ai2 via HuggingFace, Berkeley, and normal places

Latest measured signal Open Models Dashboard dashboard.interconnects.ai · 13d ago
793 peer trust 6 signals / 30d active 12d ago

Arvind Narayanan

Princeton computer science professor, AI Snake Oil

@randomwalker.bsky.social

Why they matter Princeton computer science professor, AI Snake Oil with public evidence across AI research and Compute & infrastructure.

Princeton computer science prof. I write about the societal impact of AI, tech ethics, & social media platforms. https://www.cs.princeton.edu/~arvindn/ BOOK: AI Snake …

784 peer trust 0 signals / 30d active 12d ago

Eugene Vinitsky

Reinforcement learning and autonomy researcher

@eugenevinitsky.bsky.social

Why they matter Reinforcement learning and autonomy researcher with public evidence across Agents & robotics and AI research.

Anti-cynic. Towards a weirder future. Reinforcement Learning, Autonomous Vehicles, transportation systems, the works. Asst. Prof at NYU https://emerge-lab.github.io ht…

733 peer trust 9 signals / 30d active 8h ago

Abeba Birhane

Assistant Professor of AI, founder of the AI Accountability Lab

@abeba.blacksky.app

Why they matter Assistant Professor of AI, founder of the AI Accountability Lab with public evidence across AI research and AI business.

Founder & PI @aial.ie. Assistant Professor of AI, School of Computer Science & Statistics, @tcddublin.bsky.social AI accountability, AI audits & evaluation, critical d…

722 peer trust 15 signals / 30d active 13h ago

Jeremy Howard

Founding CEO of Answer.AI and fast.ai

@howard.fm

Why they matter Founding CEO of Answer.AI and fast.ai with public evidence across AI business and AI research.

https://Answer.AI & https://fast.ai founding CEO; previous: hon professor @ UQ; leader of masks4all; founding CEO Enlitic; founding president Kaggle; various other stuff…

710 peer trust 0 signals / 30d active 217d ago

Ted Underwood

Machine learning and literary history

@tedunderwood.com

Why they matter Machine learning and literary history with public evidence across AI research.

Uses machine learning to study literary imagination, and vice-versa. Likely to share news about AI & computational social science / Sozialwissenschaft / 社会科学 Informati…

Latest measured signal AI Referee Paper Leaderboard d3jhl7jsny6f2h.cloudfront.net · 12h ago
648 peer trust 33 signals / 30d active 1h ago

Thomas Dietterich

Safe and robust AI/ML, former AAAI president

@tdietterich.bsky.social

Why they matter Safe and robust AI/ML, former AAAI president with public evidence across AI research.

Safe and robust AI/ML, computational sustainability. Former President AAAI and IMLS. Distinguished Professor Emeritus, Oregon State University. https://web.engr.oregon…

641 peer trust 0 signals / 30d active 14h ago

Anna Rogers

Associate professor of NLP, IT University of Copenhagen

@annarogers.bsky.social

Why they matter Associate professor of NLP, IT University of Copenhagen with public evidence across Models & releases and AI research.

Associate professor at IT University of Copenhagen: NLP, language models, interpretability, AI & society. Co-editor-in-chief of ACL Rolling Review. #NLProc #NLP

637 peer trust 0 signals / 30d active 2d ago

danah boyd

Technology and society researcher, founder of Data and Society

@zephoria.bsky.social

Why they matter Technology and society researcher, founder of Data and Society with public evidence across AI research and AI business.

STS researcher who likes to look at things sideways. Founded Data & Society. Topics: Census | Youth | Data | Society Professor of Communication, Cornell https://made-n…

632 peer trust 0 signals / 30d active 1d ago

Michael Bronstein

DeepMind Professor of AI at the University of Oxford

@mmbronstein.bsky.social

Why they matter DeepMind Professor of AI at the University of Oxford with public evidence across AI research and AI business.

DeepMind Professor of AI @Oxford Scientific Director @Aithyra Chief Scientist @ProximaBio ML Lead @ProjectCETI geometric deep learning, graph neural networks, generati…

Latest measured signal AITHYRA PhD Call 2026 phd.aithyra.at · 5d ago
620 peer trust 1 signals / 30d active 5d ago

Jasmijn Bastings

Senior Research Scientist in NLP at Google DeepMind

@jasmijn.bastings.me

Why they matter Senior Research Scientist in NLP at Google DeepMind with public evidence across AI research and Responsible AI.

I'm a Senior Research Scientist at Google DeepMind. I work on NLP & bias, fairness, and interpretability, and I'm especially interested in the interplay of gender, lan…

576 peer trust 0 signals / 30d active 25d ago

Ethan Mollick

Professor at Wharton studying AI, work and education

@emollick.bsky.social

Why they matter Professor at Wharton studying AI, work and education with public evidence across Culture, work & education and AI research.

Professor at Wharton, studying AI and its implications for education, entrepreneurship, and work. Author of Co-Intelligence. Book: https://a.co/d/bC2kSj1 Substack: htt…

Latest measured signal AI Referee Paper Leaderboard d3jhl7jsny6f2h.cloudfront.net · 12h ago
575 peer trust 20 signals / 30d active 4h ago

Gary Marcus

AI and cognitive science researcher and critic

@garymarcus.bsky.social

Why they matter AI and cognitive science researcher and critic with public evidence across AI business and AI research.

AI and cognitive science, Founder and CEO (Geometric Intelligence, acquired by Uber). 8 books including Guitar Zero, Rebooting AI and Taming Silicon Valley. Newsletter…

Latest measured signal A Definition of AGI agidefinition.ai · 7h ago
565 peer trust 10 signals / 30d active 6d ago

Michael Osborne

Professor of Machine Learning at the University of Oxford

@maosbot.bsky.social

Why they matter Professor of Machine Learning at the University of Oxford with public evidence across AI research and Agents & robotics.

Mother, wife, Australian, Professor of Machine Learning in Oxford. Long Covid, trans rights, music, reggae, AI must be good for humans, https://www.robots.ox.ac.uk/~mo…

559 peer trust 2 signals / 30d active 15h ago

Simon Willison

Independent AI researcher, creator of Datasette and LLM

@simonwillison.net

Why they matter Independent AI researcher, creator of Datasette and LLM with public evidence across AI research and Culture, work & education.

Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonw…

Latest measured signal TIL: Using Blender with coding agents on macOS simonwillison.net · 11h ago
552 peer trust 30 signals / 30d active 9h ago

Emma Strubell

Assistant professor at CMU LTI, machine learning and NLP

@strubell.bsky.social

Why they matter Assistant professor at CMU LTI, machine learning and NLP with public evidence across AI research and Models & releases.

assistant professor, @ltiatcmu.bsky.social. machine learning: LLMs and climate. 🏳️‍🌈🏳️‍⚧️ they/them/dad (2 dogs). pro-AI, anti-capitalist, anti-fascist. Website: strub…

541 peer trust 0 signals / 30d active 122d ago

Jeff Dean

Chief Scientist at Google

@jeffdean.bsky.social

Why they matter Chief Scientist at Google with public evidence across AI research.

Google Chief Scientist, Gemini Lead. Opinions stated here are my own, not those of Google. Gemini, TensorFlow, MapReduce, Bigtable, Spanner, ML things, ...

522 peer trust 0 signals / 30d active 48d ago

Marc Lanctot

Research Scientist at Google DeepMind, multiagent RL

@sharky6000.bsky.social

Why they matter Research Scientist at Google DeepMind, multiagent RL with public evidence across Agents & robotics and AI research.

Research Scientist at Google DeepMind, interested in multiagent reinforcement learning, game theory, games, and search/planning. Lover of Linux 🐧, coffee ☕, and retro …

518 peer trust 5 signals / 30d active 4h ago

Vicki Boykis

Machine learning engineer, recommender systems and infra

@vickiboykis.com

Why they matter Machine learning engineer, recommender systems and infra with public evidence across AI research and AI business.

Founding list[float] engineer. Recsys. Personalization. Infra. Systems. Normcore code. Nutella. Vectors. Words. Vibes. Bad puns (soon). https://vickiboykis.com/what_ar…

492 peer trust 0 signals / 30d active 1d ago

Casey Fiesler

Information science professor, technology ethics

@cfiesler.bsky.social

Why they matter Information science professor, technology ethics with public evidence across AI research and Responsible AI.

information science professor (tech ethics + internet stuff) kind of a content creator (elsewhere also @professorcasey) though not influencing anyone to do anything ex…

Latest measured signal AI & Society Schedule & Readings: Spring 2026 docs.google.com · 17d ago
490 peer trust 1 signals / 30d active 7d ago

Jessica Hullman

Professor at Northwestern CS, AI and visualization

@jessicahullman.bsky.social

Why they matter Professor at Northwestern CS, AI and visualization with public evidence across AI research.

Ginni Rometty Prof @NorthwesternCS | Fellow @NU_IPR | AI, people, uncertainty, beliefs, decisions, metascience | Blog @statmodeling

Latest measured signal programmablemutter.com programmablemutter.com · 10d ago
484 peer trust 2 signals / 30d active 5d ago

Xuan

Assistant professor at NUS, cooperative AI

@xuanalogue.bsky.social

Why they matter Assistant professor at NUS, cooperative AI with public evidence across AI research and Compute & infrastructure.

Assistant professor at NUS. Scaling cooperative intelligence & infrastructure for an increasingly automated future. PhD @ MIT ProbComp / CoCoSci. Pronouns: 祂/伊

459 peer trust 0 signals / 30d active 5d ago

Martin Wattenberg

Human-AI interaction and ML interpretability, Harvard

@wattenberg.bsky.social

Why they matter Human-AI interaction and ML interpretability, Harvard with public evidence across AI research and Culture, work & education.

Human/AI interaction. ML interpretability. Visualization as design, science, art. Professor at Harvard, and part-time at Google DeepMind.

443 peer trust 0 signals / 30d active 25d ago