bioRxivpreprint @biorxivpreprint.bsky.social 
Eric Wastl @was.tl Created http://adventofcode.com, http://compute-cost.com, http://anoik.is, http://was.tl/projects/; Principal Architect at https://acvauctions.com
Ida Momennejad @neuroai.bsky.social Principal Researcher @ Microsoft Research.
AI, RL, cog neuro, philosophy.
www.momen-nejad.org
Prithviraj "Raj" Ammanabrolu @rajammanabrolu.bsky.social AI, RL, NLP, Games Asst Prof at UCSD
Research Scientist at Nvidia
Lab: http://pearls.ucsd.edu
Personal: prithvirajva.com
Max Kleiman-Weiner @maxkw.bsky.social professor at university of washington and scientist at Google DeepMind. computational cognitive scientist. working on social and artificial intelligence and alignment.
http://faculty.washington.edu/maxkw/
Julian Togelius @togelius.bsky.social AI and Games Researcher at NYU. Head of AI at Nof1.
Sam Gershman @gershbrain.bsky.social Professor, Department of Psychology and Center for Brain Science, Harvard University
https://gershmanlab.com/
Robin Ranjit Singh Chauhan @robinchauhan.bsky.social Host TalkRL Podcast, Aspiring RL researcher
AgFunder VC Head of Eng, Ex-MSFT, Waterloo computer engineering
Sunshine Coast BC Canada
Peter Henderson @peterhenderson.bsky.social Assistant Professor, leading the Polaris Lab @ Princeton (https://www.polarislab.org/); Researching: RL, Strategic Decision-Making+Exploration; Law
Miguel Vasco @miguelvasco.bsky.social Postdoc at @kthuniversity.bsky.social.
Past: @gaipslab.bsky.social; Sony AI.
Interested in all things RL and Multimodal.
miguelvasco.com
Lucas Alegre @lnalegre.bsky.social Professor at INF - @ufrgs.br | Ph.D. in Computer Science. I am interested in multi-policy reinforcement learning (RL) algorithms.
Personal page: https://lucasalegre.github.io
Mark Riedl @markriedl.bsky.social AI for storytelling, games, explainability, safety, ethics. Professor at Georgia Tech. Director of ML Center at GT. Time travel expert. Geek. Dad. he/him
Eli Sennesh @elisennesh.bsky.social Abolish the value function!
Laura Ana Bustamante, PhD @lauraabusta.bsky.social 👩🏻🔬 Postdoc @U Medical Center Groningen. Formerly: postdoc @WashU St. Louis & Neuro PhD @Princeton, researching cognitive control & decision making, neurodivergent in computational psychiatry, she/her, Latina 🇨🇺. Views my own. Stand Up for Science!
Sai Prasanna @saiprasanna.in See(k)ing the surreal
Causal World Models for Curious Robots @ University of Tübingen/Max Planck Institute for Intelligent Systems 🇩🇪
#reinforcementlearning #robotics #causality #meditation #vegan
Karim Farid @kifarid.bsky.social PhD. Student @ELLIS.eu @UniFreiburg with Thomas Brox and Cordelia Schmid
Understanding intelligence and cultivating its societal benefits
https://kifarid.github.io
Taylor W. Killian @twkillian.bsky.social Principal Scientist @LilaSciences. Focused on decision making under uncertainty, guided by practical problems in healthcare, reasoning, and biology.
Gaspard Lambrechts @gsprd.be Postdoctoral researcher working on RL in POMDP at McGill and Mila - gsprd.be
Chris Paxton @cpaxton.bsky.social Writing about robots https://itcanthink.substack.com/
RoboPapers podcast https://robopapers.substack.com/
All opinions my own
Kale-ab Tessera @kale-ab.bsky.social ML PhD Student @ Uni. of Edinburgh, working on Multi-Agent Problems. | Organiser @deeplearningindaba.bsky.social @rl-agents-rg.bsky.social | 🇪🇹🇿🇦
kaleabtessera.com
Michiel van de Panne @mvandepanne.bsky.social UBC Computer Science; physics-based models of human movement; deep reinforcement learning; animation; robotics
Mike Johanson @mikebjohanson.johanson.ca Rogue game theorist and reinforcement learning scientist in 🇨🇦. Formerly: co-founder Artificial.Agency, RS DeepMind, PhD UAlberta, Poker AI. Gaming 🎮🎲, curling 🥌, knitting 🧶, geocaching 🗺️. (he/him).
Vincent Mai @vincentmai.bsky.social ML research scientist @LawZero
Claas Voelcker @cvoelcker.bsky.social For professional, see https://cvoelcker.de
If I seem very angry, check if I have been watered in the last 24 hours.
Now 🇺🇸 flavoured, previously available in 🇨🇦 and 🇩🇪
Ivana Dusparic @ivanad.bsky.social Professor @ Trinity College Dublin. Computer Science, AI, Reinforcement Learning, Intelligent Mobility
Paul Masset @paulmasset.bsky.social Assistant Professor, McGill University | Associate Academic Member, Mila - Quebec AI Institute | Neuroscience and AI, learning and inference, dopamine and cognition
https://massetlab.org/
Phillip Isola @phillipisola.bsky.social Associate Professor in EECS at MIT. Neural nets, generative models, representation learning, computer vision, robotics, cog sci, AI.
https://web.mit.edu/phillipi/
Daniel Fried @daniel-fried.bsky.social Assistant prof at LTI CMU. Working on NLP: language interfaces, applied pragmatics, language-to-code, grounding. https://dpfried.github.io/
@michaelddennis.bsky.social @michaelddennis.bsky.social RS DeepMind. Works on Unsupervised Environment Design, Problem Specification, Game/Decision Theory, RL, AIS. prev CHAI_Berkeley
Rupali Bhati @rupalibhati.bsky.social PhD student at Northeastern University | MARL | Ex Mila | rupalibhati.github.io
Manfred Diaz @manfreddiaz.bsky.social Ph.D. Candidate at Mila and the University of Montreal, interested in AI/ML connections with economics, game theory, and social choice theory.
https://manfreddiaz.github.io
@shimon8282.bsky.social @shimon8282.bsky.social Professor of Computer Science at Oxford. Senior Staff Research Scientist at Waymo.
Dongyan Lin @dongyanl1n.bsky.social Postdoc at Meta FAIR, Comp Neuro PhD @McGill / Mila. Looking at the representation in brains and machines 🔬 https://dongyanl1n.github.io/
Vahid Behzadan @behzadan.bsky.social Professionally curious about the science of making bad decisions; AI safety and security researcher; Assistant Professor of CS and Data Science & Director of the Secure and Assured Intelligent Learning (SAIL) lab @ University of New Haven.
Serena Booth @reniebird.bsky.social CS Prof at Brown University, PI of the GIRAFFE lab, former AI Policy Advisor in the US Senate, co-chair of the ACM Tech Policy Subcommittee on AI and Algorithms.
PhD at MIT CSAIL '23, Harvard '16, former Google APM. Dog mom to Ducki.
Jakob Foerster @jfoerst.bsky.social Jakob 
Mattie Fellows @mattieml.bsky.social Reinforcement Learning Postdoc at FLAIR, University of Oxford @universityofoxford.bsky.social
All opinions are my own.
Victoria Dean (she/they) @vdean.bsky.social Teaching Faculty @ Princeton University | CMU, MIT alum | reinforcement learning, AI ethics, equity and justice, baking | ADHD 💖💜💙
Harshit Sikchi @harshitsikchi.bsky.social Research @OpenAI. I study Reinforcement Learning. PhD from UT Austin. Previously FAIR Paris, Meta US, NVIDIA, CMU, and IIT Kharagpur.
Website: https://hari-sikchi.github.io/
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.
Tim G. J. Rudner @timrudner.bsky.social Assistant Professor, University of Toronto.
Junior Research Fellow, Trinity College, Cambridge.
AI Fellow, Georgetown University.
Probabilistic Machine Learning, AI Safety & AI Governance.
Prev: Oxford, Yale, UC Berkeley, NYU.
https://timrudner.com
Tom Ringstrom @noreward4u.bsky.social Reward-Free Model-based Maximalist. High-dimensional Empowerment. Self-Preserving Autonomous Agents. Theories of intelligence grounded in compositional control.
Tom Dupuis @tomdupuis.bsky.social autonomating software manufacturing @ The Open Engine Company
https://theopenengine.com/
previously: voice agents, deep RL, representation learning, robotics
Raymond Chua @raymondrchua.bsky.social NeuroAI PhD Candidate at McGill / Mila.
Loves: 🧠 🏕️ 🏔️ 🏊🏻♂️ 🚴🏻♂️ 🏃🏻♂️ 🎨📚☕
https://raymondchua.github.io
Aditya Makkar @adityamakkar.bsky.social In search of mathematics and ML content.
PhD@NYU
Daniel Jiang @danielrjiang.bsky.social Research Scientist Meta, Adjunct Professor at University of Pittsburgh. Interested in reinforcement learning, approximate DP, adaptive experimentation, Bayesian optimization, & operations research. http://danielrjiang.github.io
📍Chicago, IL
Mandana Samiei @mandanas.bsky.social PhD candidate at McGill and Mila - Quebec AI Institute w/ Blake Richards and Doina Precup.
Interested in Reinforcement Learning, Continual Learning and Human Cognition.
Based in Montreal. 🇨🇦
Roy Fox @royf.org Assistant Professor of Computer Science, UC Irvine
Website: royf.org
vmoens @vmoens.bsky.social Member of technical staff @periodiclabs
Open-source/open science advocate
Maintainer of torchrl / tensordict / leanrl
Former MD - Neuroscience PhD
https://github.com/vmoens
Sasha Abramowitz @sash-4.bsky.social Research engineer at InstaDeep working on multi-agent RL
Chris Amato @cjdamato.bsky.social Associate Professor at Northeastern University and father of 3. Interests include artificial intelligence, reinforcement learning, and robotics (he/him).
Aditya Mohan @amsks96.bsky.social PhD Student working on Generlization and State abstractions in #RL and #AutoRL
Previousy: Amazon Science
amsks.github.io
Jan Peters @jan-peters.bsky.social #RobotLearning Professor (#MachineLearning #Robotics) at @ias-tudarmstadt.bsky.social of
@tuda.bsky.social @dfki.bsky.social @hessianai.bsky.social 
Brad Knox @bradknox.bsky.social Research Associate Professor in CS at UT Austin. I research how humans can specify aligned reward functions.
Finbarr @finbarr.bsky.social building the future
research at midjourney, deepmind. slinging ai hot takes 🥞at artfintel.com
Babak Heydari @babak-heydari.bsky.social Professor at Northeastern University CoE and Network Science Institute | Building models and doing Interdisciplinary Research (AI/Network Science/Sociotechnical Systems)
Mohamad H. Danesh @modanesh.bsky.social CS PhD @mcgill.ca and @mila-quebec.bsky.social, working on 🍒 and 🤖 stuff
ex- @LetsUnifyAI, @NUSComputing, @EngineeringOSU
https://modanesh.github.io/
📍 Montreal, Canada
Dylan Cope @dylancope.bsky.social Researching multi-agent RL, emergent communication, and evolutionary computation.
Postdoc at FLAIR Oxford. PhD from Safe and Trusted AI CDT @ KCL/Imperial. Previously visiting researcher at CHAI U.C. Berkeley.
dylancope.com
he/him
London 🇬🇧
Ahana (she/her) @ahana.bsky.social Reinforcement Learning PhD student, UPF Barcelona.
Uncertain in the face of optimism.
ahanadeb.com
Ulyana Piterbarg @upiter.bsky.social senior research scientist, Gemini
https://upiterbarg.github.io/
Willem Röpke @willemropke.bsky.social PhD student | Interested in all things decision-making and learning
Ed Clark @clarkai.bsky.social PhD student studying AI for tactical decision making in complex ocean environments @uniofbath.bsky.social
Distinctly amateur cyclist, triathlete, sailor, climber
https://scholar.google.com/citations?user=WE-zZMoAAAAJ&hl=en
Daniil Tiapkin @dtiapkin.bsky.social PhD student at École polytechnique and Université Paris-Saclay 🇫🇷
Reinforcement Learning enjoyer, sometimes even with human feedback
Ex. student-researcher at Google DeepMind Paris
🌐 https://d-tiapkin.github.io/
Yuda Song @yus167.bsky.social PhD at Machine Learning Department, Carnegie Mellon University | Interactive Decision Making | https://yudasong.github.io
Vincent Francois-Lavet @vinfl.bsky.social Assistant Professor in machine learning @VUAmsterdam
Abstract representations+reinforcement learning.
Rupesh Srivastava @rupspace.bsky.social AI Researcher. (Co)developed Highway Networks, Upside-Down RL, Bayesian Flow Networks, EvoTorch
📜 Learning is compression
https://rupeshks.cc/
Akanksha Saran @RSS2026 ✈️ @akanksha-saran.bsky.social AI. RL. Robots+Humans. Building general purpose agents.
Research Scientist at Adobe Research.
https://asaran.github.io/
Daniel Brown @daniel-brown.bsky.social CS assistant prof @Utah. Researches human-robot interaction, human-in-the-loop ML, AI safety and alignment. https://users.cs.utah.edu/~dsbrown/
Markus Wulfmeier @mwulfmeier.bsky.social Large-Scale Robot Decision Making @GoogleDeepMind European @ELLISforEurope - imitation interaction transfer - priors: @oxfordrobots @berkeley_ai @ETH @MIT
Aviv Tamar @aviv-tamar.bsky.social AI and robotics researcher at Technion
avivt.github.io/avivt/
Florent Delgrange @florentdelgrange.bsky.social Reinforcement Learner
delgrange.me
Cong Lu @cong-ml.bsky.social Research Scientist @ Google DeepMind, in open-ended learning, and AI for Scientific Discovery.
Cassidy Laidlaw @cassidylaidlaw.bsky.social PhD student at UC Berkeley studying RL and AI safety.
https://cassidylaidlaw.com
Miguel Suau @miguelsuau.bsky.social Machine Teacher. Research Scientist at Phaidra. PhD from TU Delft. Previously JP Morgan, Huawei, Unity.
https://www.suau.io/
Georg Ostrovski @gostrovski.bsky.social Research Engineer @ Google DeepMind
Sebastian Risi @risi.bsky.social Neuroevolution, Collective Intelligence, Self-organization
Cathy Wu @cathywu.bsky.social AI & Transportation | MIT Associate Professor
Interests: AI for good, sociotechnical systems, machine learning, optimization, reinforcement learning, public policy, gov tech, open science.
Science is messy and beautiful.
http://www.wucathy.com
Jesse Farebrother @brosa.ca Ph.D. Student studying AI & decision making at Mila / McGill University. Currently at FAIR @ Meta. Previously Google DeepMind & Google Brain.
https://brosa.ca
Marlos C. Machado @marloscmachado.bsky.social Assistant Professor at the University of Alberta. Amii Fellow, Canada CIFAR AI chair. ML researcher. All things reinforcement learning. Photo by Ampersand Grey.
📍 Edmonton, Canada 🇨🇦
🔗 https://mcmachado.github.io/
🗓️ Joined November, 2024
Raphaël Avalos @raphael.avalos.fr Fine-tuning LLMs @Cohere | PhD Candidate on RL @VUB
@ericeaton.bsky.social @ericeaton.bsky.social Faculty at the University of Pennsylvania. Lifelong machine learning and AI for robotics and precision medicine: continual learning, transfer & multi-task learning, deep RL, multimodal ML, and human-AI collaboration. seas.upenn.edu/~eeaton
Jaime Fernández Fisac @jfisac.bsky.social Assistant Professor @ Princeton ECE
Safe Human-Centered Robotics and AI
Alizée Pace @alizeepace.bsky.social Gemini Post-Training @ Google DeepMind
Previously: ETH Zurich, Cambridge, CERN
alizeepace.com
Csaba Szepesvari @skiandsolve.bsky.social ⛷️ ML Theorist carving equations and mountain trails | 🚴♂️ Biker, Climber, Adventurer | 🧠 Reinforcement Learning: Always seeking higher peaks, steeper walls and better policies.
https://ualberta.ca/~szepesva
Audrey Durand @audurand.bsky.social Associate professor @ Université Laval - IID - Mila
Interested in reinforcement learning, bandits, partial monitoring, active learning, ... anything that learns by getting its own data from the environment!
Chris Lu @chris-lu.bsky.social Research @ OpenAI, Prev PhD at Oxford University
André Biedenkapp @abiedenkapp.bsky.social Subgroup Lead at the University of Freiburg researching generalizability of RL and Automated RL
karpathy @karpathy.bsky.social AI @ OpenAI, Tesla, Stanford
Dr. Fei-Fei Li @drfeifei.bsky.social Prof (CS @Stanford), Co-Director @StanfordHAI, Cofounder/CEO @theworldlabs, CoFounder @ai4allorg #AI #computervision #robotics #AI-healthcare
Durk Kingma @dpkingma.bsky.social Research scientist at Anthropic. Prev. Google Brain/DeepMind, founding team OpenAI. Computer scientist; inventor of the VAE, Adam optimizer, and other methods. ML PhD. Website: dpkingma.com
Yarin @yaringal.bsky.social Associate Professor of Machine Learning, University of Oxford;
OATML Group Leader;
Director of Research at the UK government's AI Safety Institute (formerly UK Taskforce on Frontier AI)
@flyyufelix.bsky.social @flyyufelix.bsky.social 
Last Week Tonight with John Oliver @lastweektonight.com The official Bluesky account of Last Week Tonight with John Oliver. youtube.com/lastweektonight
PHD Comics @phdcomics.com Comics by Jorge Cham: Oliver's Great Big Universe, Elinor Wonders Why, ScienceStuff and PHD Comics
Ferenc Huszár @inference.vc Secular Bayesian.
Professor of Machine Learning at Cambridge Computer Lab
Talent aficionado at http://airetreat.org
Alum of Twitter, Magic Pony and Balderton Capital