Rachel Maddow @maddow.bsky.social Mondays at 9pmET on MS NOW
MaddowBlog.com
Robert Simpson @orbitingfrog.bsky.social Astrophyscist, Product Lead, xGoogler. Father to humans and animals
Peter K. G. Williams @pkgw.bsky.social Technical Lead of the IAU Minor Planet Center, at the Center for Astrophysics | Harvard & Smithsonian. He/him. https://newton.cx/~peter/
Minas Karamanis @minaskar.bsky.social Astrophysicist and proud cat dad. He/him
Blog: https://ergosphere.blog
Views are my own.
@mayorsoffice.nyc.gov @mayorsoffice.nyc.gov 
Mayor Zohran Kwame Mamdani @mayor.nyc.gov Fighting every day to deliver a city that working New Yorkers can actually afford. Mayor of New York City.
Adam Pearce @1wheel.bsky.social https://roadtolarissa.com/
Andy Casey @astrowizicist.bsky.social I'm an astrophysicist. I fit bad models to worse data.
Naomi Saphra @nsaphra.bsky.social Waiting on a robot body. All opinions are universal and held by both employers and family. ML/NLP professor.
nsaphra.net
the Mountain Goats @themountaingoats.bsky.social How could she breathe in that house so crowded with Norma Desmond?
Crosstalk @thecrosstalkpod.bsky.social A crossword construction podcast hosted by Daniel Grinberg
Python Software Foundation @python.org The nonprofit organization behind the Python programming language. For help with Python code: http://python.org/about/help/
On Mastodon: @ThePSF@fosstodon.org
Chris Fonnesbeck @fonnesbeck.bsky.social Quantitative hack, PyMC Labs
Simons Foundation @simonsfoundation.org Advancing the frontiers of basic science through grantmaking, research and public engagement. Sign up for our newsletter: simonsfoundation.org/newsletter
Sam Bowman @sleepinyourhat.bsky.social AI safety at Anthropic, on leave from a faculty job at NYU.
Views not employers'.
I think you should join Giving What We Can.
cims.nyu.edu/~sbowman
Ethan Mollick @emollick.bsky.social Professor at Wharton, studying AI and its implications for education, entrepreneurship, and work. Author of Co-Intelligence.
Book: https://a.co/d/bC2kSj1
Substack: https://www.oneusefulthing.org/
Web: https://mgmt.wharton.upenn.edu/profile/emollick
Philip Mocz @philipmocz.bsky.social Computational physicist/software engineer at Flatiron Institute. Previously LLNL, Princeton, Harvard ('12 AB, '17 PhD). Views are my own. https://pmocz.github.io
Eric Agol @ericagol.bsky.social Astrophysicist, exoplanet enthusiast.
Jed Brown @jedbrown.org Prof developing fast algorithms, reliable software, and healthy communities for computational science. Opinions my own. https://hachyderm.io/@jedbrown
https://PhyPID.org | aspiring killjoy | refuse epistemicide | he/they
Ben Collins @bencollins.bsky.social Senior Vice President of Woke 5
Julia Lepetit @julialepetit.bsky.social Illustrator. Host on Drawfee and Secret Sleepover Society.
@pilarcossio.bsky.social @pilarcossio.bsky.social 
Sonya @sonyahanson.bsky.social Research Scientist at the Flatiron Institute | biological temperature sensors ๐ก๏ธ cryo-EM ๐ฌcomputational biophysics ๐ฉ๐ผโ๐ป
Baptiste Klein @astroklein.bsky.social Postdoc on Exoplanets and Stellar activity at Oxford
Johanna Vos @johannavos.bsky.social Astrophysicist studying Exometeorology | Associate Professor & Royal Society University Research Fellow at Trinity College Dublin | Visiting Scientist at American Museum of Natural History | she/her | https://johannavos.github.io/
Brad Lander @bradlander.bsky.social Dad Lander. Former Councilmember Lander. Former Comptroller Lander. Running for Congress because we need to fight, not fold. ๐ฅ
https://linktr.ee/bradlander- J Jessie Dotson @jessiedotson.bsky.social
Maya Wiley @maya4rights.bsky.social Prez & CEO @civilrightsorg. Cat Mom. Former @msnbc. Ran 4 Mayor of NYC; IG @Maya4CivilRights Views & typos are mine. She/Her
Dr. Caprice Phillips @capricephillips.bsky.social NHFP Sagan Fellow@UCSC ๐๐|RCSA Fellow| Chancellors Postdoctoral Fellow| brown dwarfs & exoplanets| Black In Astro VP|plan(e)t mom ๐ชด/๐ช|she/her/hers
Website: https://capricephillips.space
Black In Astro @blackinastro.bsky.social Celebrating and amplifying the Black experience in space-related fields. EST. 2020
โ๏ธ blackinastro@gmail.com
Website: blackinastro.com
https://www.blackinastro.com/black-space-week-2026
Zohran Kwame Mamdani @zohrankmamdani.bsky.social Mayor of New York City
Stephen Kane @exocytherean.bsky.social Planetary Astrophysicist at the University of California, Riverside. I like Venus. A lot. Exoplanets are also kinda cool.
Knud Jahnke @knudjahnke.bsky.social Astronomer, Euclid Consortium functionary; likes black holes, galaxies, and sustainable research.
Karthik Ram @karthik.io Accelerating science https://bsky.app/profile/valency.io
Leave me anonymous feedback! โ https://www.admonymous.co/karthik
Matt T @powersoffour.bsky.social I'm an academic in Information Sciences, background in computational astrophysics. I tend to post about academic stuff, open source, politics, tabletop roleplaying games, MS-DOS and occasionally the 1975 Joe Don Baker movie "Mitchell."
derek guy @dieworkwear.bsky.social Menswear writer. Editor at Put This On. Words at The New York Times, The Washington Post, The Financial Times, Esquire, and Mr. Porter.
If you have a style question, search:
https://dieworkwear.com/ | https://putthison.com/start-here/
Soumith Chintala @soumithchintala.bsky.social Cofounded and lead PyTorch at Meta. Also dabble in robotics at NYU.
AI is delicious when it is accessible and open-source.
http://soumith.ch
Adam Paszke @apaszke.bsky.social Author of PyTorch, Research Scientist at Google DeepMind. Currently working on Pallas, Mosaic and dex-lang. MIMUW CS & Math graduate.
Timnit Gebru @timnitgebru.blacksky.app Personal Account
Founder: The Distributed AI Research Institute @dairinstitute.bsky.social.
Author: The View from Somewhere, a memoir & manifesto arguing for a technological future that serves our communities (to be published by One Signal / Atria
Matt Nixon @nixonmatthew.bsky.social 51 Pegasi b Fellow at Arizona State University and jazz enthusiast
Cara Giovanetti @idontevencara.bsky.social I study dark matter, cosmology, and particle physics for a living at UC Berkeley and Lawrence Berkeley National Lab. On the weekends I write explainers about surprising places physics shows up in the natural world.
caragiovanetti.com
Katie Breivik @katiebreivik.bsky.social astronomer who likes to write code
enthusiastic about binary stars
voracious consumer of television good and bad
Belinda Nicholson @austronomer.bsky.social Astronomer by day, and also sometimes by night. Lover of sci comm, Aussie rules football (playing and umpiring), excellent coffee, and cats. She/her
@steinly0.bsky.social @steinly0.bsky.social Astro Physicist. Scientific Director @arXiv
Planets, Stars, Black Holes & Stuff. Whole Universes, If Needed.
Dynamics of Cats; To Say Nothing of The Dog.
Samuel Ainsworth @skainswo.bsky.social prev: @BrownUniversity, @uwcse/@uw_wail phd, ex-@cruise, RS @waymo. 0.1x engineer, 10x friend.
spondyloarthritis, cars ruin cities, open source
Kyle Cranmer @kylecranmer.bsky.social Director Data Science Institute @UWMadison, Professor of Physics,
EiC @MLSTjournal. Physics, stats/ML/AI, open science.
Johann Brehmer @johannbrehmer.bsky.social Machine learner & physicist. At CuspAI, I teach machines to discover materials for carbon capture. Previously Qualcomm AI Research, NYU, Heidelberg U.
Geoffrey Ryan @thegeoffryan.bsky.social Canadian astrophysicist back on the north side of the border. Learning how to be a radio astronomer. Research scientist at the Perimeter Institute. Does math on trains. (He/him/his)
Sven Kreiss @svenkreiss.bsky.social Computer Vision Engineer at Meta. OpenPifPaf. Previously at Sidewalk Labs (Alphabet). PhD in Higgs discovery.
www.svenkreiss.com
@jacobaustin123.bsky.social @jacobaustin123.bsky.social Researcher at Google DeepMind. I make LLMs go fast. I also play piano and climb sometimes. Opinions my own
Alex Rubinsteyn @alexr.bsky.social personalized cancer immunotherapy = genomics + immunology + machine learning + oncology
(pirl.unc.edu)
Julia Kodysh @juliakodysh.bsky.social 
@charlottecornfield.bsky.social @charlottecornfield.bsky.social Hurts Like Hell out now on Merge Records and Next Door Records (can)
Kevin Roose @kevinroose.com NYT tech columnist, Hard Fork co-host, best at 0.8x speed
Brigitta Sipลcz @bsipocz.bsky.social Open-source scientific software developer and maintainer, astronomer. Works at Caltech/IPAC; SSI and BSSw Fellow.
Weekend warrior skier and lover of mountains.
Casey Newton @caseynewton.bsky.social Email salesman at Platformer.news and co-host at Hard Fork.
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, ...
Dr. Doctor @actualdrdoctor.bsky.social Climate Scientist ๐ | Astrophysicist ๐ญ | Memes ๐ซก | Coffee โ๏ธ | Travel โ๏ธ | PDX -> Chi
Theo Rashid @theorashid.bsky.social modelling in London
theorashid.github.io
Craig Citro @craigcitro.bsky.social i like math and puns
Siddharth Mishra-Sharma @smsharma.bsky.social Researcher at Anthropic. Based in SF. Likes cats. smsharma.github.io.
Chris Olah @colah.bsky.social Reverse engineering neural networks at Anthropic. Previously Distill, OpenAI, Google Brain.Personal account.
Nell Byler @lstargal.bsky.social astronomer in the remote sensing domain. big fan of eating, gaming, pole dancing, pugs.
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
Vicki @vickiboykis.com Founding list[float] engineer. Recsys. Personalization. Infra. Systems. Normcore code. Nutella. Vectors. Words. Vibes. Bad puns (soon).
https://vickiboykis.com/what_are_embeddings/
Margaret Mitchell @mmitchell.bsky.social 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 | Navigating public life as a recluse.
Former: Google, Microsoft; Current: Hugging Face
Andrew Gordon Wilson @andrewgwils.bsky.social Machine Learning Professor
https://cims.nyu.edu/~andrewgw
Stephanie Douglas @stephtdouglas.bsky.social Astronomer, Assistant Prof of Physics. She/her. (All opinions mine & don't represent employer; likes/RPs not endorsements; etc)
Geert Barentsen @geert.io Hyperspectral Earth Observation @ Planet Labs, San Francisco ๐๐๐ฐ๏ธ | ex-NASA ๐๐ช
Steve Crawford @astrocrawford.bsky.social Astronomer wandering through time and space.
Likely to post about #Earth and #Space science especially #astronomy, Open Source Software, Open Science, and space. And hiking with our dog. Opinions are my own.
He/him.
Doug Caldwell @dacmess.bsky.social Astronomer at the SETI Institute <> Exoplanets <> Data-Instrument interfaces <> dogs, cats, horses <> slow trail runner <> banjo?? <> he/him/his
Flatiron Institute @flatironinstitute.org Advancing scientific research through computational methods and software tools. Centers: #FlatironCCA, #FlatironCCB, #FlatironCCM, #FlatironCCN and #FlatironCCQ
Christopher Suter @cgs.bsky.social I like math, physics, computers (sometimes), baking, restaurants. Mostly trying to make two tiny amazing humans into full size amazing humans.
Google DeepMind.
Charles Margossian @charlesm993.bsky.social Prof at the University of British Columbia. Research in statistics, ML, and AI for science. Views are my own. https://charlesm93.github.io./
MyST Markdown @mystmd.org Markdown with superpowers for writing scientific ๐จโ๐ฌ and technical ๐papers. #OpenSource & maintained by Project #Jupyter.
Stephan Hoyer @handle.invalid Building AI climate models at Google. I also contribute to the scientific Python ecosystem, including Xarray, NumPy and JAX.
Opinions are my own, not my employer's.
Roy Frostig @froystig.bsky.social research scientist at google deepmind.
co-author of JAX (https://github.com/jax-ml/jax).
https://cs.stanford.edu/~rfrostig
Data Umbrella @dataumbrella.org โ community
โ data science & open source
โ videos: https://youtube.com/@dataumbrella
โ events: https://meetup.com/data-umbrella
โ news: dataumbrella.substack.com/
Joshua Adelman @synapticarbors.bsky.social former biophysicist turned computational scientist/scientific software engineer in the steel city
Neil Lawrence @lawrennd.bsky.social Professor of Machine Learning, University of Cambridge, academic lead of ai@cam, Accelerate Science, author of The Atomic Human, proceedings editor for PMLR.
Matthew Feickert @matthewfeickert.com Research scientist at UW-Madison data science institute working on #LHC #physics and data science with the ATLAS experiment @ CERN and IRIS-HEP. PhD @ SMU
Alexandria Ocasio-Cortez @aoc.bsky.social Waitress turned Congresswoman for the Bronx and Queens. Grassroots elected, small-dollar supported. A better world is possible.
ocasiocortez.com
An(drew) McC @arm61.bsky.social interested in how atoms move and how to model and measure them | lecturer in chemistry in bristol
https://scams-research.github.io
Chris Holdgraf @choldgraf.com Executive Director of @2i2c.org
๐ช Jupyter Project distinguished contributor
๐ฌ mybinder.org and hub.jupyter.org team
๐ jupyterbook.org mystmd.org and executablebooks.org
open communities ๐
open infrastructure ๐ป
open science ๐งช
Sam Power @spmontecarlo.bsky.social Lecturer in Maths & Stats at Bristol. Interested in probabilistic + numerical computation, statistical modelling + inference. (he / him).
Homepage: https://sites.google.com/view/sp-monte-carlo
Seminar: https://sites.google.com/view/monte-carlo-semina
Simon Willison @simonwillison.net 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://simonwillison.net/
Maria R. Drout @mrdrout.bsky.social Astronomer, travel, holder of quiet opinions | Assoc. Prof @UofToronto
Metropolitan Transportation Authority @mta.info Visit mta.info for service information.
Download our official apps for real-time customer care: mta.info/apps
Eric Bellm @ebellm.bsky.social Astronomer at the University of Washington.
Building time-domain surveys (ZTF & Rubin Observatory) & looking for compact objects in our Galaxy.
Thomas Pinder @thomas-pinder.bsky.social Bayesian statistics, Gaussian processes, and causal inference.
https://thomas-pinder.com
Rรฉmi @remilouf.bsky.social CEO & co-founder at .txt. I wander.
Chad Scherrer @cscherrer.bsky.social Doing Bayesian stuff in #rustlang and #julialang. Seattle
Dan Simpson @danpsimpson.bsky.social I donโt know man, I just donโt know.
Ryan Abernathey @rabernat.bsky.social Scientist and Startup Founder
Co-Founder and CEO @Earthmover
@pangeo_data steering council member
ex-Professor @Columbia @LamontEarth
Avi Bryant @avibryant.com Oceans rise, empires fall ยท We have seen each other through it allโฆ
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
LeVar Burton @levarburton.bsky.social Kunta, Geordi, Reading Rainbow guy. Flies twice as highโฆ #bydhttmwfi
Diana Cai @dianarycai.bsky.social Machine learning researcher
www.dianacai.com
Iain Murray @imurray.bsky.social Professor of Machine Learning and Inference, Edinburgh Informatics, Formerly Amazon Scholar. Opinions are my own. Also https://homepages.inf.ed.ac.uk/imurray2/ and https://mastodon.social/@imurray and https://x.com/driainmurray