Berk Ustun @berkustun.bsky.social Assistant Prof at UCSD. I work on safety, interpretability, and fairness in machine learning. www.berkustun.com
Ulyana Piterbarg @upiter.bsky.social senior research scientist, Gemini
https://upiterbarg.github.io/
Hailey Joren @haileyjoren.bsky.social PhD Student @ UC San Diego
Researching reliable, interpretable, and human-aligned ML/AI
Gintare Karolina Dziugaite @gkdziugaite.bsky.social Sr Research Scientist at Google DeepMind, Toronto. Member, Mila. Adjunct, McGill CS. PhD Machine Learning & MASt Applied Math (Cambridge), BSc Math (Warwick). gkdz.org 
Amartya Sanyal @amartyasanyal.bsky.social Assistant Professor @Dept. Of Computer Science, University of Copenhagen, Ex Postdoc @MPI-IS, ETHZ, PhD @University of Oxford, B.Tech @CSE,IITK.
Ben Rubinstein @bipr.bsky.social ML & Privacy Prof at the University of Melbourne, Australia. Deputy Dean Research. Prev Microsoft Research, Berkeley EECS PhD. @bipr on the X bird site. He/him.
Claire Vernade @claireve.bsky.social Professor at UT Nuremberg, Germany
I’m 🇫🇷 and I work on RL and lifelong learning. Mostly posting on ML related topics.
Gokul Swamy @gokul.dev PhD student at @cmurobotics.bsky.social working on efficient algorithms for interactive learning (e.g. imitation / RL / RLHF). no model is an island. prefers email. https://gokul.dev/. on the job market!
Kimon Fountoulakis @kfountou.bsky.social Associate Professor at CS UWaterloo
Machine Learning
Lab: opallab.ca
Francesco Tudisco @ftudisco.bsky.social Machine Learning @ University of Edinburgh | AI4Science | optimization | numerics | networks | co-founder @ labs.miniml.ai | ftudisco.gitlab.io
Bryan Chan @chanpyb.bsky.social PhD student at University of Alberta. Interested in reinforcement learning, imitation learning, machine learning theory, and robotics
https://chanb.github.io/
Joey Rudoler @jrudoler.bsky.social wharton stats phd — ml theory, ml for science
prev: comp neuro, data, physics
working with Edgar Dobriban and Konrad Körding
also some sports (esp. philly! go birds)
Sikata Sengupta @sikatasengupta.bsky.social cs phd @upenn advised by Michael Kearns, Aaron Roth, and Duncan Watts| previously @stanford | she/her
https://psamathe50.github.io/sikatasengupta/
Peyman Milanfar @docmilanfar.bsky.social Distinguished Scientist at Google. Computational Imaging, Machine Learning, and Vision. Posts are personal opinions. May change or disappear over time.
http://milanfar.org
Pablo Samuel Castro @pcastr.bsky.social Señor swesearcher @ Google DeepMind, adjunct prof at Université de Montréal and Mila. Musician. From 🇪🇨 living in 🇨🇦.
https://psc-g.github.io/
Marcel Hussing @marcelhussing.bsky.social PhD student at the University of Pennsylvania. Prev, intern at MSR, and Meta FAIR. Interested in reliable and replicable reinforcement learning, robotics and knowledge discovery: https://marcelhussing.github.io/
All posts are my own.
Alon Eden @aloneden.bsky.social EconCS at the Hebrew University of Jeruz. PhD at TAU, Postdoc at Harvard.
https://www.cs.huji.ac.il/~aloneden
Natalie Collina @ncollina.bsky.social CS PhD student at UPenn studying strategic human-AI interaction. Nataliecollina.com
Vasilis Gkatzelis @gkatzelis.bsky.social Associate professor of Computer Science at Drexel University. Interested in mechanism design, game theory, algorithms, fair division.
https://www.cs.drexel.edu/~gkatz/
Jamie Morgenstern @jamiemmt.bsky.social CS professor at UW, research focus in theory of ML, fairness, and econCS
Greg Bodwin @gbodwin.bsky.social Associate professor at UMich. I do theoretical computer science and graph theory.
Maarten Sap @maartensap.bsky.social Working on #NLProc for social good.
Currently at LTI at CMU. 🏳🌈
Huck Bennett @huckbennett.bsky.social Faculty at the University of Colorado. Interested in theoretical computer science, and especially lattices. Also: mountains, running, music.
https://home.cs.colorado.edu/~hbennett/
D. Sivakumar @dsivakumar.bsky.social conversational shopping search at Tonita.co, one-time CS theorist...
promise to post no more than one thread a day - on Tonita, CS / AI, politics, education, exercise, food, beer, whatever I feel like - and no more than 3 per week on any one topic :)
Steven Wu @zstevenwu.bsky.social Computer science professor at Carnegie Mellon. Researcher in machine learning. Algorithmic foundations of responsible AI (e.g., privacy, uncertainty quantification), interactive learning (e.g., imitation/reinforcement learning).
https://zstevenwu.com/
🇺🇦 Alex Polozov @alexpolozov.com Sr. Staff Research Scientist @ Google DeepMind • previously Google X, Microsoft Research, UW • program synthesis, AI for Code and SWE • he/him • alexpolozov.com
Jenn Wortman Vaughan @jennwv.bsky.social Sr. Principal Research Manager at Microsoft Research, NYC // Machine Learning, Responsible AI, Transparency, Intelligibility, Human-AI Interaction // WiML Co-founder // Former NeurIPS & current FAccT Program Co-chair // Brooklyn, NY // http://jennwv.com
Shivam Nadimpalli @shivamnadimpalli.bsky.social CS Theory postdoc at MIT (https://math.mit.edu/~shivamn)
Josh Alman @jalman.bsky.social Theoretical Computer Scientist at Columbia. joshalman.com
Stefano Tessaro @stefanotessaro.bsky.social Professor at the University of Washington, Paul G. Allen School of Computer Science & Engineering @uwcse.bsky.social
Working on cryptography, theoretical computer science, and computer security.
https://homes.cs.washington.edu/~tessaro/
gabe schoenbach @gabey.zip phd student @UChicagoCS. interested in cryptography, algorithms, combinatorics.
gabey.zip
Christopher Manning @chrmanning.bsky.social Stanford Linguistics and Computer Science. Director, Stanford AI Lab. Founder of @stanfordnlp.bsky.social . #NLP https://nlp.stanford.edu/~manning/
Hal Daumé III @haldaume3.bsky.social Human-centered AI #HCAI, NLP & ML. Director TRAILS (Trustworthy AI in Law & Society) and AIM (AI Interdisciplinary Institute at Maryland). Formerly Microsoft Research NYC. Fun: 🧗🧑🍳🧘⛷️🏕️. he/him.
Maxim Raginsky @mraginsky.bsky.social web: http://maxim.ece.illinois.edu
substack: https://realizable.substack.com
Sara Hooker @sarahooker.bsky.social I lead Cohere For AI. Formerly Research
Google Brain. ML Efficiency, LLMs,
@trustworthy_ml.
Jonathan Frankle @jfrankle.com Chief AI Scientist at Databricks. Founding team at MosaicML. MIT/Princeton alum. Lottery ticket enthusiast. Working on data intelligence.
Maksym Andriushchenko @maksym-andr.bsky.social Faculty at the ELLIS Institute Tübingen and Max Planck Institute for Intelligent Systems. Leading the AI Safety and Alignment group. PhD from EPFL supported by Google & OpenPhil PhD fellowships.
More details: https://www.andriushchenko.me/
Vaishnavh Nagarajan @vaishnavh.bsky.social Foundations of AI. I like simple and minimal examples and creative ideas. I also like thinking about the next token 🧮🧸
Google | PhD, CMU |
https://arxiv.org/abs/2504.15266 | https://arxiv.org/abs/2403.06963
vaishnavh.github.io
Thomas Steinke @stein.ke Researcher in computer science, math, machine learning, (differential) privacy, AI, etc. at Anthropic.
Kiwi🇳🇿 in California🇺🇸
http://stein.ke/
Aaron Roth @aaroth.bsky.social Professor at Penn, Amazon Scholar at AWS. Interested in machine learning, uncertainty quantification, game theory, privacy, fairness, and most of the intersections therein
Sasho Nikolov @thesasho.bsky.social Associate professor at U of Toronto. Computer science and math research: (differentially) private data analysis, geometry, discrepancy, optimization.
Jon Ullman @thejonullman.bsky.social Associate Professor of Computer Science at Northeastern University in Boston. Dad. Imposter.
Clément Canonne @ccanonne.github.io Senior Lecturer #USydCompSci at the University of Sydney. Postdocs IBM Research and Stanford; PhD at Columbia. Converts ☕ into puns: sometimes theorems. He/him.
Jess Sorrell @optimistsinc.bsky.social Assistant prof at JHU CS. Interested in theory of ML, privacy, cryptography. All cat pictures my own and do not represent the cats of my employer
Gautam Kamath @gautamkamath.com Assistant Prof of CS at NYU Courant. Co-EiC of TMLR. My group is The Salon. Privacy, robustness, machine learning.
http://www.gautamkamath.com
Yisong Yue @yisongyue.bsky.social AI professor at Caltech. General Chair ICLR 2025.
http://www.yisongyue.com
UW NLP @uwnlp.bsky.social The NLP group at the University of Washington.
Dimitris Papailiopoulos @dimitrisp.bsky.social Researcher @MSFTResearch; Prof @UWMadison (on leave); learning in context; thinking about reasoning; babas of Inez Lily.
https://papail.io
Allen School @uwcse.bsky.social The Paul G. Allen School of Computer Science & Engineering at the University of Washington educates tomorrow's innovators while developing solutions to humanity's greatest challenges.
𝖬𝖺𝗁𝖽𝗂 𝖢𝗁𝖾𝗋𝖺𝗀𝗁𝖼𝗁𝗂 @mahdi.ch Theoretical Computer Science professor @ U. of Michigan-Ann Arbor.
Opinions are mine and may evolve over time.
repost ≠ endorsement.
Policy: I don't interact with anonymous profiles.
Join AAUP.
he/him/his.
Jeremy Kun @jeremykun.com Portland-based mathematician and software engineer. Building a homomorphic encryption compiler at Google.
https://jeremykun.com/linkgraph
https://heir.dev
Daniel Litt @littmath.bsky.social Assistant professor (of mathematics) at the University of Toronto. Algebraic geometry, number theory, forever distracted and confused, etc. He/him.
Tom Gur @tomgur.bsky.social Professor of Computer Science at Cambridge.
Michael Nielsen @michaelnielsen.bsky.social Searching for the numinous
Australian Canadian, currently living in the US
https://michaelnotebook.com
Erica Klarreich @ericaklarreich.bsky.social Mathematics and science journalist. My work has appeared in Quanta, Nature, The Atlantic, New Scientist, Science News and other publications.
Lance Fortnow @lance.fortnow.com Complexity Theorist
Kira Goldner @kiragoldner.bsky.social Assistant Professor at BU CDS
EconCS | Theory of CS | MD+AI+DS4SG | MD4SG co-founder
Previously Columbia, UW, Oberlin. Views are mine alone.
www.kiragoldner.com
Anupam Gupta @anupamg.bsky.social Professor, Computer Science, New York University. Interested in Algorithms. 
Sophie Huiberts @sophie.huiberts.me CNRS researcher in linear programming
Jason Hartline @jasonhartline.bsky.social Professor at Northwestern CS. Economics, by courtesy. Study mechanism design, economics of algorithms, regulation of algorithms, AI and society. My opinions. virtualchair.net, socialcal.org, pubchat.org, https://sites.northwestern.edu/hartline/
Henry Yuen @henryyuen.bsky.social Complexity, in all its forms.
Associate Professor of Computer Science at Columbia University.
http://www.henryyuen.net
Ryan Williams @rrwilliams.bsky.social professor of EECS at MIT. working in theoretical computer science namely algorithm design, complexity theory, circuit complexity, etc.
i'll let you know when P != NP is proved (and when it's not)
Thatchaphol Saranurak @eigx.bsky.social Assistant Professor at the University of Michigan.
I design fast graph algorithms in dynamic/distributed/local settings.
https://sites.google.com/site/thsaranurak/
Suresh Venkatasubramanian @geomblog.bsky.social Director, Center for Tech Responsibility@Brown. FAccT OG. AI Bill of Rights coauthor. Former tech advisor to President Biden @WHOSTP. He/him/his. Posts my own.
Andrea Montanari @andrea-montanari.bsky.social Professor, Stanford University, Statistics and Mathematics. Opinions are my own.
Ola Svensson @algosvensson.bsky.social Theoretical Computer Science @ EPFL
Kasper Green Larsen @kasperglarsen.bsky.social Professor and Head of Algorithms, Data Structures and Foundations of Machine Learning at Computer Science, Aarhus University
Ellen Vitercik @ellen-v.bsky.social MS&E + CS assistant professor at Stanford. I study reliable AI for algorithmic reasoning, optimization, and decision-making.
https://vitercik.github.io/
Andrej Risteski @andrejristeski.bsky.social Machine learning researcher. Professor in ML department at CMU. 
Dylan Foster 🐢 @djfoster.bsky.social Incoming Assistant Professor in EECS and Statistics at UC Berkeley.
Principal Researcher @ Microsoft Research NE/NYC. Previously @ MIT, Cornell.
AI + RL Foundations. RL Theory Lecture Notes: https://arxiv.org/abs/2312.16730
http://dylanfoster.net
Gergely Neu @neu-rips.bsky.social full-time ML theory nerd, part-time AI-non enthusiast
Terence Tao @teorth.bsky.social Mathematician at UCLA. My primary social media account is https://mathstodon.xyz/@tao . I also have a blog at https://terrytao.wordpress.com/ and a home page at https://www.math.ucla.edu/~tao/
Miro Dudik @mdudik.bsky.social Sr Principal Research Manager, Microsoft Research NYC. ICML 2026 PC. Machine Learning, AI Fairness.
Sham Kakade @shamkakade.bsky.social Harvard Professor.
ML and AI.
Co-director of the Kempner Institute.
https://shamulent.github.io
Hossein Mobahi @thegradient.bsky.social Senior Research Scientist at Google DeepMind. I ∈ Optimization ∩ Machine Learning. Fan of IronMaiden🤘.Here to discuss research 🤓
Andrew Ilyas @aifi.bsky.social Machine Learning | Stein Fellow @ Stanford Stats (current) | Assistant Prof @ CMU (incoming) | PhD @ MIT (prev)
https://andrewilyas.com
Quanquan Gu @quanquangu.bsky.social Professor @UCLA, Research Scientist @ByteDance | Recent work: SPIN, SPPO, DPLM 1/2, GPM, MARS | Opinions are my own
Preetum Nakkiran @preetumnakkiran.bsky.social ML Research @ Apple.
Understanding deep learning (generalization, calibration, diffusion, etc).
preetum.nakkiran.org
Jason Lee @jasondeanlee.bsky.social Associate Professor at Princeton
Machine Learning Researcher
Zachary Lipton @zacharylipton.bsky.social Cofounder & CTO @ Abridge, Raj Reddy Associate Prof of ML @ CMU, occasional writer, relapsing 🎷, creator of d2l.ai & approximatelycorrect.com
Surya Ganguli @suryaganguli.bsky.social Professor of Applied Physics at Stanford | Venture Partner a16z | Research in AI, Neuroscience, Physics
Francis Bach @bachfrancis.bsky.social Researcher in machine learning
John Preskill @preskill.bsky.social Caltech theoretical physicist
Ian Goodfellow @ian-goodfellow.bsky.social Research Scientist at DeepMind. Opinions my own. Inventor of GANs. Lead author of http://www.deeplearningbook.org . Founding chairman of www.publichealthactionnetwork.org
Noam Brown @polynoamial.bsky.social Researching reasoning at OpenAI | Co-created Libratus/Pluribus superhuman poker AIs, CICERO Diplomacy AI, and OpenAI o-series / 🍓
Shubhendu Trivedi @shubhendu.bsky.social https://shubhendu-trivedi.org
Quentin Berthet @ AISTATS @qberthet.bsky.social Machine learning
Google DeepMind
Paris
Zico Kolter @zicokolter.bsky.social Professor and Head of Machine Learning Department at Carnegie Mellon. Board member OpenAI. Chief Technical Advisor Gray Swan AI. Chief Expert Bosch Research.
Dan Roy @roydanroy.bsky.social Research Director, Founding Faculty, Canada CIFAR AI Chair @VectorInst.
Full Prof @UofT - Statistics and Computer Sci. (x-appt) danroy.org
I study assumption-free prediction and decision making under uncertainty, with inference emerging from optimality.
Sanjeev Arora @profsanjeevarora.bsky.social Director, Princeton Language and Intelligence. Professor of CS.
Andrew Gordon Wilson @andrewgwils.bsky.social Machine Learning Professor
https://cims.nyu.edu/~andrewgw
Alex Dimakis @alexdimakis.bsky.social UC Berkeley Professor working on AI. Co-Director: National AI Institute on the Foundations of Machine Learning (IFML). http://BespokeLabs.ai cofounder
Yasaman Bahri @yasamanbb.bsky.social Research Scientist @ Google DeepMind. AI + physics. Prev Ph.D. @ UC Berkeley.
https://sites.google.com/view/yasamanbahri/home/
Robert Nowak @rdnowak.bsky.social Director of the Center for the Advancement of Progress
Martin Jaggi @mjaggi.bsky.social Prof at EPFL
AI • Climbing
Yoshua Bengio @yoshuabengio.bsky.social Working towards the safe development of AI for the benefit of all at Université de Montréal, LawZero and Mila.
A.M. Turing Award Recipient and most-cited AI researcher.
https://lawzero.org/en
https://yoshuabengio.org/profile/