Randall Munroe @xkcd.com 
Albert Vilella, PhD. @albertvilella.bsky.social Bioinformatics Scientist / Next Generation Sequencing, Single Cell and Spatial Biology, Next Generation Proteomics, Liquid Biopsy, SynBio, AI/ML in biotech // http://albertvilella.substack.com
Ulrich Junker @ulrichjunker.bsky.social Scientist in Artificial Intelligence and the Decision Sciences.
https://uli-research.com/About_Me.html
Linotype Pilgrim @symbo1ics.bsky.social Reviews: "unhinged", "deluded", "incoherent", "sick jerk" | Black Lives Matter | Vidas Indígenas Importam | Trans Lives Matter | typography, politics, profanity, analog electronics, retrocomputing, coffee, food | Mastodon: https://timeloop.cafe/@symbo1ics- J JF Puget @jfpuget.bsky.social Competitive Machine Learning director at NVIDIA, 3x Kaggle Grandmaster CPMP, ENS ULM alumni. Kaggle profile: https://www.kaggle.com/cpmpml
Pascal Van Hentenryck @vanhentenryck.bsky.social AI for Engineering, faculty at Georgia Tech, Director of Tech AI (the AI Hub at GT, @georgiatechai.bsky.social), Director of AI4OPT (The NSF AI Institute For Advances in Optimization, @ai4opt.bsky.social)
The OR Society @theorsociety.bsky.social The OR Society is a professional membership body to support the development of people working in operational research, data and analytics. https://www.theorsociety.com/
#OperationalResearch #ThisIsOR #ORMS
Thibaut Vidal @vidalthi.bsky.social Professor & SCALE-AI Chair at MAGI Polytechnique Montréal
IVADO Labs Scientific Advisor
Sharing content about #ORMS & #Trustworthy #MachineLearning
Open-source codes: http://github.com/vidalt
Paul Rubin @parubin.bsky.social Apostate mathematician, operations research, optimization, Pro Bono Analytics, inarticulate Java & R coder
@laurentperron.bsky.social @laurentperron.bsky.social 
Laura Albert @lauraalbertphd.bsky.social UW-Madison ISyE Professor | 2023 INFORMS President | #PunkRockOR blogger | #BadgerBracketology | Smarter decisions for a better world
Marco Lübbecke @mluebbecke.bsky.social professor of operations research at RWTH Aachen university, I like mathematical optimization in theory and practice; #orms, posts/likes mine
Bo Jensen @mrbojensen.bsky.social Works at Optibus, previous developer of high performance optimization software at CPLEX/IBM., MOSEK and SULUM. Opinions are my own.
Michael Trick @miketrick.bsky.social Dean, Carnegie Mellon in Qatar. Operations Research, Sports Scheduling
Rodney Brooks @rodneyabrooks.bsky.social Primarily Robotics and AI. Distinguishing hype-notism from plausibility one press release at a time. rodneybrooks.com/blog people.csail.mit.edu/brooks
Grady Booch @booch.com scientist, storyteller, philosopher
computingthehumanexperience.com
Tobias Achterberg @achterberg.bsky.social Gurobi developer, former CPLEX and SCIP developer, mixed integer programming
John D. Cook @johndcook.bsky.social Mathematician, data privacy consultant
See also @johndcook.mathstodon.xyz.ap.brid.gy
INFORMS @informs.bsky.social Smarter Decisions For a Better World.
Supporting all professionals who advance and apply science, AI, math, technology, and analytics to transform our world.
www.informs.org
CPAIOR @cpaior.bsky.social The 22nd International Conference on the Integration of Constraint Programming, Artificial Intelligence, and Operations Research November 10 to 13, 2025
Anna Nagurney @annanagurney.bsky.social Eugene M. Isenberg Chair in Integrative Studies and Director of the Virtual Center for Supernetworks, UMass Amherst, plus on the Board of Directors of the Kyiv School of Economics (KSE). My first language is Ukrainian. I like to write books. I love OR.
Stefano Gualandi @famo2spaghi.bsky.social Research group: http://compopt.it
ORCID iD: https://orcid.org/0000-0002-2111-3528
Solver Max @solvermax.com We help you make better optimization models in Excel or Python.
Optimization blog: https://www.solvermax.com/blog
#orms resources: https://www.solvermax.com/resources
Geoffrey De Smet @geoffreydesmet.bsky.social PlanningAI expert, Timefold co-founder, OptaPlanner creator, complex scheduling and routing, Operations Research, Java, Kotlin, open source, international speaker
Erling D. Andersen @primaldual.bsky.social I spend most of my adult life on convex optimization and www.Mosek.com. In my spare time I like riding my racing bike and follow www.ob.dk.
ORCID: https://orcid.org/0000-0001-6351-8761
Jip J. Dekker @dekker.one OPTIMA Research Fellow working on Modelling Decision/Optimization problems, Programming Languages, and AI at Monash University, Melbourne, Australia.
MiniZinc developer, CP and SAT researcher.
I also talk about music, birds, cycling, and cricket.
Robert (Bob) Bosch @baabbbaash.bsky.social I have two wolves inside me—a mathematician and an artist—and I try to feed them equally well.
All of my art is made without AI. I find generative AI repulsive. I have no desire to use it, nor do I wish to collaborate with anyone who uses it.
Tomer Ullman @tomerullman.bsky.social Associate Professor, Department of Psychology, Harvard University. Computation, cognition, development.
Björn Lindström @bjornlindstrom.bsky.social Researching (social) learning and cultural evolution at Karolinska Institute, Sweden
Paul Smaldino @psmaldino.bsky.social Paradigmatically promiscuous scientist. Ankylosaur enthusiast. Modeler of cultural evolution and related topics. Anti-fascist. Professor at UC Merced, external prof at the Santa Fe Institute and CSH-Vienna.
Web: https://smaldino.com/wp/
Melanie Mitchell @melaniemitchell.bsky.social Professor, Santa Fe Institute. Research on AI, cognitive science, and complex systems.
Website: https://melaniemitchell.me
Substack: https://aiguide.substack.com/- T Thomas Dietterich @tdietterich.bsky.social Safe and robust AI/ML, computational sustainability. Former President AAAI and IMLS. Distinguished Professor Emeritus, Oregon State University. https://web.engr.oregonstate.edu/~tgd/
Kristian Kersting @kerstingaiml.bsky.social AI Prof at TU Darmstadt, Founding Co-Director Hessian.AI, DFKI, AAAI/EurAI/AAIA/ELLIS Fellow, AAAI24 Ass. PC CoChair, Fmr. PC CoChair UAI, ECML PKDD, Invest. @Aleph__Alpha, Fmr. AI Column German Newspaper Welt (am Sonntag) 
Kevin Smith @thiskevinsmith.bsky.social Research Scientist @MIT | Computational Cognitive Science + Robotics / AI | www.mit.edu/~k2smith/
Jeff Dean @jeffdean.bsky.social Google Chief Scientist, Gemini Lead. Opinions stated here are my own, not those of Google. Gemini, TensorFlow, MapReduce, Bigtable, Spanner, ML things, ...
Noah Goodman @noahdgoodman.bsky.social Professor of Natural and Artificial Intelligence @Stanford. Safety and alignment @GoogleDeepMind.
Edward Grefenstette @egrefen.bsky.social FR/US/GB AI/ML Person, Director of Research at Google DeepMind, Honorary Professor at UCL DARK, ELLIS Fellow. Ex Oxford CS, Meta AI, Cohere.
Gary Marcus @garymarcus.bsky.social AI and cognitive science, Founder and CEO (Geometric Intelligence, acquired by Uber). 8 books including Guitar Zero, Rebooting AI and Taming Silicon Valley.
Newsletter (100k subscribers): garymarcus.substack.com
Dr. Anna Latour @aldlatour.bsky.social Computer Scientist. Assistant professor interested in Boolean satisfiability, counting, reasoning under uncertainty, formal verification. Feminist. Trekkie. Traveller. Go-to LaTeX expert in our research group.
Siegfried Nijssen @snijssen.bsky.social Professor in Artificial Intelligence at KU Leuven and UCLouvain, Belgium.
Luc De Raedt @lucderaedt.bsky.social Professor of AI, DTAI, KU Leuven; Wallenberg Guestprofessor AASS, Örebro University; Director http://Leuven.AI, AAAI and EurAI Fellow, Former PC Chair IJCAI, ICML, ECAI and ECMLPKDD, ERC AdG 2015 and 2023
Robin Manhaeve @robinmanhaeve.bsky.social A post-doc researcher at DTAI, KU Leuven. I focus on neurosymbolic AI.
@jessabekker.bsky.social @jessabekker.bsky.social 
Vincent Derkinderen @vincentderk.bsky.social Postdoctoral researcher @ KU Leuven
NeuroSymbolic AI & Knowledge Compilation
Sebastijan Dumancic @sdumancic.bsky.social Assistant Professor at TU Delft, working on program synthesis, probabilistic programming, and neuro-symbolic AI.
https://sebdumancic.github.io/
Stefano Teso @looselycorrect.bsky.social Senior assistant prof at University of Trento. I dig Explainable AI, Neuro-Symbolic AI, Interactive ML, Constraints & Circuits.
https://stefanoteso.github.io/ . I "maintain" https://github.com/stefanoteso/awesome-explanatory-supervision .
Paolo Morettin @paolomorettin.bsky.social Game Dev student / Former AI researcher.
https://paolomorettin.github.io/
Constraints Journal @constraintsjournal.bsky.social AI, automated reasoning, combinatorial algorithms, constraint programming, databases, discrete mathematics, operations research, programming languages, satisfiability and computational logic.
https://link.springer.com/journal/10601
Thiago Serra @thserra.bsky.social Assistant professor at University of Iowa, formerly at Bucknell University, mathematical optimizer with an #orms PhD from Carnegie Mellon University, curious about scaling up constraint learning, proud father of two
Philippe Laborie @plaborie.bsky.social Developer @Hexaly - Operations Research - Scheduling
madeofmistake @madeofmistake.bsky.social world renowned webcomic maker and sage
Matthijs @hoopyfrood.dev Software Developer in International Logistics, Gamer, Herder of Cats, reMarkable Doodler, Owns a Towel.
PrologInfo @prologinfo.bsky.social News, info, links, gossip, anything about Prolog, Constraint/Logic programming, Answer Set Programming, and beyond!
A @llaisdy project.
Adrián Arroyo Calle @aarroyoc.bsky.social https://adrianistan.eu
Adrian Trapletti @atraplet.bsky.social PhD, CEO, Uster Metrics. Quant, software engineer, and consultant mostly investment industry. #java #python #rstats.
https://www.ustermetrics.com
Quanta Magazine @quantamagazine.org Illuminating math and science. Supported by the Simons Foundation. 2022 Pulitzer Prize in Explanatory Reporting. www.quantamagazine.org
Stephen Wolfram @stephenwolfram.bsky.social Creating ideas, science, technology, books, companies, ...
Mark J. Nelson @mm-jj-nn.bsky.social Comp. sci. prof. @ American University, Washington DC. AI & games researcher with miscellaneous other interests. https://www.kmjn.org/
Maria Gorinova @mgorinova.bsky.social Shaping the future of programming @tessl.io 🚀 | ex-@TwitterCortex @Birdwatch 💙 | PhD in probabilistic machine learning, loyal servant to a cat, collector of random variables, and lover of well-placed puns.
https://mgorinova.github.io/
Jan-Willem van de Meent @jwvdm.bsky.social Associate Professor (UHD) at the University of Amsterdam. Probabilistic methods, deep learning, and their applications in science in engineering.
Philippe Desjardins-Proulx @lambdaphdp.bsky.social Exploring {Probabilistic Programming w/ Typed λ-Calculi; Lean; Program Synthesis; Self-Improving A.I.; Evolutionary Genetics} @ umontreal. Ph.D. USherbrooke
Sean Pinkney @spinkney.bsky.social I mostly post about probabilistic programming stuff, statistics, and R/Julia/Python (in that order). I'm a volunteer Stan developer and citizen scientist (papers on arxiv). Currently my day job is doing marketing analytics.
Martin Trapp @trappmartin.eurosky.social Assistant Prof in Prob ML @ KTH 🇸🇪
WASP Fellow & ELLIS Member
Ex: Aalto Uni 🇫🇮, TU Graz 🇦🇹, originally 🇩🇪.
—
https://trappmartin.github.io/
—
Reliable ML | UQ | Bayesian DL | tractability & PCs
🔥囧Robert Osazuwa Ness囧🔥 @osazuwa.bsky.social
Probabilistic machine Learning, causal inference, language models. Teach at http://Altdeep.ai & @Northeastern, work at @MSFTResearch.
Osvaldo Martin @aloctavodia.bsky.social Research Fellow at Aalto University. Open source contributor #ArviZ, #Bambi, #Kulprit, #PreliZ, #PyMC, #PyMC-BART.
Support me at https://ko-fi.com/aloctavodia
https://bayes.club/@aloctavodia
Moritz Schauer @mschauer.bsky.social Statistician, Associate Professor (Lektor) at University of Gothenburg and Chalmers; inference and conditional distributions for anything
https://mschauer.github.io
http://orcid.org/0000-0003-3310-7915
[ˈmoː/r/ɪts ˈʃaʊ̯ɐ]
Cameron Freer @cfreer.bsky.social Research Scientist at MIT studying interactions of randomness and computation
Cameron @cameron.stream 🤙
Building machines that learn at @letta.com
https://cameron.stream
Colin Carroll @colcarroll.bsky.social Runner, biker, hiker. Software engineer @DeepMind, and open source enthusiast. Sometimes crafts things out of wood. he/his.
Guy Van den Broeck @guyvdb.bsky.social 🎓 CS Prof at UCLA
🧠 Researching reasoning and learning in artificial intelligence: tactable deep generative models, probabilistic circuits, probabilistic programming, neurosymbolic AI
https://web.cs.ucla.edu/~guyvdb/
xuan (ɕɥɛn / sh-yen) @xuanalogue.bsky.social Assistant professor at NUS. Scaling cooperative intelligence & infrastructure for an increasingly automated future. PhD @ MIT ProbComp / CoCoSci. Pronouns: 祂/伊
ArviZ @arviz.bsky.social Official account for the ArviZ project. We provide #FOSS tools for exploratory analysis of #Bayesian models in #Python and #JuliaLang
www.arviz.org
Aki Vehtari @avehtari.bsky.social Professor in computational Bayesian modeling, Aalto University, Finland. Co-author of Bayesian Data Analysis 3rd ed, Regression and Other Stories, Active Statistics and Bayesian Workflow. #mcmc_stan and #arviz developer.
https://users.aalto.fi/ave/- S Andrew Gelman et al. @statmodeling.bsky.social Automatically tweets new posts from http://statmodeling.stat.columbia.edu
Please respond in the comment section of the blog.
Old posts spool at https://twitter.com/StatRetro
Seth Axen 🪓 @sethaxen.com Empowering scientists with machine learning @mlcolab.org. Sometimes #Bayesian. Usually #FOSS. Often in #JuliaLang.
Expat: 🇺🇸 ➡️ 🇩🇪
💼 On the job market (remote/southwest Germany)
sethaxen.com
Lawrence Murray @lawmurray.bsky.social Machine learning, open source software, C++. https://indii.org
Poorva Garg @poorvagarg.bsky.social Working on Probabilistic Programming Languages
https://web.cs.ucla.edu/~poorvagarg/
Martyn Plummer @martynplummer.bsky.social Statistics. Computing. Cancer Epidemiology. Public health.
Steven Holtzen @sholtzen.bsky.social I like computers.
assistant prof at northeastern https://www.khoury.northeastern.edu/home/sholtzen/
Marvin Schmitt @marvin-schmitt.com ⛵️ Research Scientist @ Midjourney
🇪🇺 Member @ellis.eu
🤖 Generative NNs, Deep Learning, ProbML, Simulation Intelligence
🎓 PhD+MSc Computer Science, MSc Psychology
🏡 https://marvin-schmitt.com
Paul Bürkner @paulbuerkner.com Full Professor of Computational Statistics at TU Dortmund University
Scientist | Statistician | Bayesian | Author of brms | Member of the Stan and BayesFlow development teams
Website: https://paulbuerkner.com
Opinions are my own
BayesFlow @bayesflow.org Amortized Bayesian Workflows in Python.
🎲 Post author sampled from a multinomial distribution, choices
⋅ @marvin-schmitt.com
⋅ @paulbuerkner.com
⋅ @stefanradev.bsky.social
🔗 GitHub github.com/bayesflow-org/bayesflow
💬 Forum discuss.bayesflow.org
Thomas Pinder @thomas-pinder.bsky.social Bayesian statistics, Gaussian processes, and causal inference.
https://thomas-pinder.com
antonio vergari ⚔️ short-circuiting @nolovedeeplearning.bsky.social human being | assoc prof in #ML #AI #Edinburgh | PI of #APRIL | #reliable #probabilistic #models #tractable #generative #neuro #symbolic | heretical empiricist | he/him
👉 https://april-tools.github.io
Vincent Fortuin @vincefort.eurosky.social Prof at TU Nuremberg, PI at Helmholtz AI, Fellow at Zuse School for reliable AI, Branco Weiss Fellow, ELLIS Scholar.
Prev: TUM, Cambridge CBL, St John's College, ETH Zürich, Google Brain, Microsoft Research, Disney Research.
https://fortuin.github.io/
Michael Deistler @deismic.bsky.social Machine Learning tools for neuroscience @mackelab.bsky.social.
sbi - Simulation-based inference @sbi-devs.bsky.social Community-maintained simulation-based inference (SBI) toolkit in PyTorch:
• NPE, NLE & NRE
• amortized and sequential inference
• wide range of diagnostics
Posts written by @deismic.bsky.social & @janboelts.bsky.social.
🔗 https://github.com/sbi-dev/sbi
Tim Reichelt @treichelt.bsky.social postdoc @ uni oxford. machine learning. climate. statistics.
web: treigerm.github.io
Ellie Cheng @ellieyhc.bsky.social PhD student @mit_csail | Programming Systems for AI/ML | don’t ask how many cups of coffee I’ve drank
@noahgoodman.bsky.social @noahgoodman.bsky.social 
Rémi @remilouf.bsky.social CEO & co-founder at .txt. I wander.
Tracey Mills @traceym.bsky.social PhD student @ MIT BCS
Eli Sennesh @elisennesh.bsky.social Abolish the value function!
Maddy Bowers @mlbowers.bsky.social PhD student at MIT studying program synthesis, probabilistic programming, and cognitive science. she/her
Kartik Chandra @kartikchandra.bsky.social I'm a PhD student at MIT CSAIL.
More about me: https://cs.stanford.edu/~kach
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.
Sam Duffield @samduffield.com Stats, ML and open-source