@jrgarrison.bsky.social @jrgarrison.bsky.social 
VeckoTheGecko @veckothegecko.bsky.social Pythonista, Pangeo Evangelist, Software Engineer. Passionate about climate change, digital rights, and open source. Working on Parcels and other oceanography projects.
Mastodon (more active): https://fosstodon.org/@veckothegecko
Brian Rose @brianejrose.bsky.social Climate scientist at the University at Albany. I like open science, math, music, tinkering with computer code, and many other things.
@benwaugh.bsky.social @benwaugh.bsky.social 
Robert Reich @rbreich.bsky.social Berkeley professor, former Secretary of Labor. Co-founder of @inequalitymedia.bsky.social and @imcivicaction.bsky.social.
Substack: http://robertreich.substack.com
Buy my new book: https://sites.prh.com/reich
Visit my website: https://rbreich.com/
Katelyn FitzGerald @kafitzgerald.bsky.social 
Minas Karamanis @minaskar.bsky.social Astrophysicist and proud cat dad. He/him
Blog: https://ergosphere.blog
Views are my own.
Ben Moss @mossity.com 
Anaconda @anacondainc.bsky.social Anaconda is the leader in advancing AI innovation and the trusted foundation for AI-native development. 🐍
Randy Au @randyau.com Hobby consultant, 💎🪚🎮🖥️🎙️🎹🎧👨🍳📷🪛➕
Quant UX Researcher
Writes a data newsletter: https://www.counting-stuff.com/
https://linktr.ee/randy_au
Languages: EN/JP/CN
Morgan Eckroth @morgandrinkscoffee.bsky.social Your friendly internet barista. Often seen in a turtleneck.
@quantco.com @quantco.com 
Greg Lin @glin.github.io 
Ken Wharton @kenwharton.bsky.social Physics professor at San Jose State. Quantum Foundations. Big fan of space and time, and also many things therein.
Ben Collins @bencollins.bsky.social Senior Vice President of Woke 5
Framework @frame.work Remaking consumer electronics to respect people and the planet. 💻🪛
For support visit http://support.frame.work
Dr. Dawn Foster @geekygirldawn.bsky.social Open source strategy consultant (details at https://fastwonder.com/), Governing Board member and WG chair at CHAOSS, OpenUK board, TODO Group Ambassador, runner, sci-fi, 3D printed designs, vegan, world traveler. Opinions my own.
CURIOSS @curiossorg.bsky.social CURIOSS is a Community for University and Research Institution OSPOs. Our goals are to facilitate the networking and collaboration between CURIOSS representatives from universities and research institutions worldwide.
🌐 https://curioss.org/
Courtney Babott @cbabott.bsky.social Co-founder of things. Mom of a human. Professionally dismantling systems while locating lost keys.
Julia Evans @b0rk.jvns.ca programming and exclamation marks
blog: jvns.ca
zines: wizardzines.com
Chris Ashworth @chris.ashworth.io On here: mostly photography. Elsewhere: Created @QLab.app, and building the @Voxel.org theater in Baltimore.
Juan Cabanela @cabanela.com Father of Twins. Husband.
I was a Physics & Astronomy Professor at Minnesota State University Moorhead until Spring 2023. Now a Computer Science Professor at MSUM. Scientific Pythonista experimenting with ML. Amateur 📷 and 🚵🏼♂️.
#SchrödingersProfessor
NPR @npr.org This is NPR 🎙️
Veritasium @veritasium.bsky.social An element of truth - videos about science, education, and interesting things.
https://linktr.ee/veritasium
Savannah Ostrowski @savannah.dev Python 3.16 & 3.17 Release Manager. Python Steering Council. Python Core Developer. Building @fastapicloud.com. Likes compilers, open source, film, physical computing + cats.
savannah.dev
github.com/savannahostrowski
@coredispatch.xyz
Gérôme Andry @Neurips2025 @gandry.bsky.social PhD student @universitedeliege.bsky.social with @glouppe.bsky.social. @frsFNRS research fellow. Focuses on AI for scientific discoveries 🤖
Mike Fiedler @miketheman.com Code Gardener. Wrangler of the Unusual. Roller Derby referee. AWS Hero. PyPI Maintainer. Shakshuka lover. he/him
https://miketheman.dev
Mariel Pettee @marielpettee.bsky.social Asst. Professor of Physics at @uwmadison.bsky.social, AI for science researcher, performing artist/creative technologist.
Thomas A Caswell @tacaswell.bsky.social I am a soft-condensed matter physicist by training, but am now Research Software Engineer working to enable scientist to use computers to do science via open source software.
Project Lead of Matplotlib and PSF Fellow
he/him
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
Uwe Korn @xhochy.bsky.social 
Paul Wilson @gonuke.bsky.social Nuclear engr prof @ UW-Madison, S/W developer, energy analyst (he/him/his). My postings here are my own & do not necessarily represent my employer.
Mervin Fansler @mfansler.bsky.social Postdoc in Cvejic Group, BRIC, Københavns Universitet. PhD from Mayr Lab at Sloan Kettering Institute. Reproducible research enthusiast. Conda Forge R Team. Creator of scUTRquant.
Nick Tierney @njtierney.bsky.social || PhD Statistics | Research Software Engineer | Loves #rstats | Outdoors person | Coffee person | Photography person | Serial Hobbiest | he/him ||
Jill Hale @buildwithjill.bsky.social Builder. Collaborator. Open science & product nerd. Let’s make better tools for science communication.
Paul Byrne @theplanetaryguy.com Associate Professor of Earth, Environmental, and Planetary Science at Washington University in St. Louis • NASA Planetary Data System Geosciences Node Director • Explorers Club EC50 • 🇮🇪 & 🇺🇸 • he/him
Ben Still @drbenstill.bsky.social Incoherent superposition of education, writing, editing, consulting, outreach, and partnerships. Resonances include #author #teacher #LEGO #Physics #books www.youtube.com/drbenstill
Rachel Kerestes @kerestes.bsky.social Perpetually curious.
Scientist by training and temperament.
Tennis player. Ocean lover. Occasional mischief-maker. Executive Director @numfocus.bsky.social
Views mine.
Peter Sobolewski @psobolewskiphd.bsky.social #Duke #UCSD Alum; Recovering Academic; Research IT
@jacksonlab.bsky.social; core dev @napari.fosstodon.org.ap.brid.gy
Zanie Blue @zanieb.bsky.social they/them — building Python developer tools in Rust at Astral
Marcelo Trevisani @marcelotrevisani.com Enthusiastic dev, Python/C++/Rust
Core member of conda-forge
Maintainer of grayskull
Axel Huebl @axccl.bsky.social computational physicist • accelerates accelerator research at @berkeleylab.bsky.social • laser-plasma aficionado • PByte connoisseur • mostly memory BW bound • openPMD • sciency C++ & 🐍 • GPGPU since before it was cool • he/his • Dr. rer. nat. Dipl.-Phys.
Perry Govier @perrygovier.com Front End Instructor at Madison College
Neutral Good
Formerly: Ionic, Teal Media, Spyder Trap
Yangyang Cheng @yangyangcheng.bsky.social Interdisciplinary scholar studying the history of science in China and US-China relations | Particle physicist by training | Writer at various places | Editor at the Made in China Journal and Host of Gateway to Global China
Nigel Goldenfeld @nigelgoldenfeld.bsky.social Theoretical physicist at UCSD researching condensed & living matter, fluid mechanics, statistical mechanics.
Bad at staying in my lane. Interested in everything.
https://guava.physics.ucsd.edu/~nigel/
Michele Avissar-Whiting @madubs.bsky.social Director, Open Science Strategy @ HHMI
My posts, my opinions
Yann LeCun @yann-lecun.bsky.social Professor a NYU; Executive Chairman at AMI Labs..
Researcher in AI, Machine Learning, Robotics, etc.
ACM Turing Award Laureate.
http://yann.lecun.com
Karthik Ram @karthik.io Accelerating science https://bsky.app/profile/valency.io
Leave me anonymous feedback! → https://www.admonymous.co/karthik
QuantStack @quantstack.bsky.social A team of open-source maintainers and engineers providing solutions and support for open-source projects used by millions worldwide. #Jupyter, #condaforge, #Mamba, #ApacheArrow, #Xtensor, and more.
Continuous Science Foundation @continuous.foundation 
Stéfan van der Walt @mentat.za.net Researcher at UC Berkeley, mainly focused on Scientific Python. South African raising kids in the Californian mountains. Otherwise lives in Emacs & org-mode. Enjoys running, philosophy, history, and building things with others.
🇨🇦 🇺🇸 Zoë Keating @zoekeating.com Cellist, Composer, Charismatic Musical Microfauna in Vermont
music.zoekeating.com
she/her
Dan Garisto @dangaristo.bsky.social science journalist | good physics, bad physics, and sometimes ugly physics
Signal: dgaristo.72
Email: digaristo@gmail.com
Zarr @zarr.dev Chunked, Compressed, & Cloud-native N-dimensional arrays
See https://zarr.dev/ for more information.
Sanket Verma @sanketverma1704.bsky.social Open Source Scientific Software and Communities — https://bsky.app/profile/zarr.dev, https://scientific-python.org/, https://bsky.app/profile/ossci.bsky.social, and more. ;)
Past: Forensics, Dunnhumby, startups and organisations.
https://sanketverma.com/
julia ferraioli @juliaferraioli.com Doing open source-y stuff, probably full of bees. opensourcestories.org co-founder. Human to Luna Rae Muppet Show.
she/her 🏳️🌈
Jeffrey Mervis @policyhound.bsky.social I'm a senior correspondent for Science, trying to explain to scientists how government works.
Pyodide @pyodide.org Pyodide is an open source Python distribution for the browser and Node.js based on WebAssembly/Emscripten.
Find us at https://pyodide.org 🐍
Contribute at https://github.com/pyodide/pyodide 🤗
Also, find us on Mastodon: https://fosstodon.org/@pyodide
froggleston @froggleston.carpentries.org Director of Technology @thecarpentries, @froggleston@mstdn.science, open source advocate, heavy metal lover, he/him/they, @docfrogs coffee, @antididact guitarist, noob
Sarah Stevens @microstevens.bsky.social she/her/hers, computational microbiologist -> data science facilitator, director of the UW-Madison Data Science Hub, Carpentries instructor
open science, data science, research software engineering, microbiology, genomics, metagenomics, ecology
views own
Pavlo O. Dral @pavlodral.bsky.social Prof. at Xiamen University and NCU in Torun, co-founder of Aitomistic.
Researcher and educator in AI-enhanced computational chemistry.
All opinions expressed are mine and do not necessarily reflect those of my employers.
Melanie Walsh @mellymeldubs.bsky.social Assistant Professor @ University of Washington, Information School. PhD in English from WashU in St. Louis.
I’m interested in books, data, social media, & digital humanities.
They call me "Eyre Jordan" on the bball court. 🏀
https://melaniewalsh.org/
Daniel S. Katz @danielskatz.org Chief Scientist @ NCSA, Res. Prof. @ CS & iSchool, @ U Illinois Urbana-Champaign
He/him
Works on: computational & data science: software opensource systems tools policy practices scholcomm FAIR RSE
more active on: @danielskatz@fediscience.org
Nic Weber @nmw.bsky.social Associate Professor @ UW
Computational Social Science
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."
Jessie Shelton @jsheltino.bsky.social occasional particle physics
Dr Frames Catherine White @oxinabox.net (She/her)
PhD.
Working on biology cell simulations.
Engineering, ML, Constrained Optimization, Modelling, JuliaLang, AutoDiff, Programming
This is my professional bsky.
napari @napari.org n-dimensional image viewer for Python
PyCon US @pycon.us PyCon US is a community-focused conference for Python users and developers. Join us in Long Beach, CA from May 13 - May 19, 2026!
Wes McKinney @wesmckinney.com Principal Architect @posit.co, GP Composed Ventures, Co-founder Voltron Data. Open source: Apache Arrow, pandas, Ibis. "Python for Data Analysis" book
pyOpenSci @pyopensci.org We build diverse communities that support free and open Python tools for processing scientific data. We also build technical skills needed to contribute to open source and that support open science. Join our global community: https://linktr.ee/pyopensci
Kevin Bonham @kevinbonham.com Assistant Professor at Tufts Medicine studying microbes, brains, and the immune system 🚽🦠🧠
Fermenter, gardener, Zen Buddhist. Ask me about #julialang!
🎙️: https://audiommunity.org
🌎: https://bonhamlab.bio
💻: https://GitHub.com/kescobo
Nikki Budzinski @budzinski.house.gov U.S. Representative for IL-13. Proud to serve the people of Central & Southern IL. New Democrat Coalition's Vice Chair for Policy.
@scientific-python.org @scientific-python.org 
Katy Huff @katyhuff.bsky.social Into bikes, nuclear energy, vegetables, coffee, scientific computing, & public radio. Currently a professor at UIUC NPRE . Former NE-1. (she/her)
Pietro Vischia @pietrovischia.bsky.social Yada yada machine learning, particle physics, blah blah blah. Experiment design with AI. Intrinsically Bayesian.
More details at: https://vischia.github.io/ 
Juan Nunez-Iglesias @jni.codes Co-founder, core developer, and steering council member of @napari.org
Also other FOSSy and Science-y things.
I prefer Mastodon (profile at https://fosstodon.org/@jni) but begrudgingly checking things out here. 😂
Matt Kramer @matt-kramer.com Principle Software Engineer at Anaconda.
Former researcher in marine hydrodynamics 🌊 and naval architecture 🚢.
Father 🚸, cyclist 🚵♂️, musician 🎸.
via Houston, TX
Open Source Stories @opensourcestories.org Open source is collaboration, communication, community, and more.
Our goal is to make the people of open source and their lived experiences more visible.
Find out more at opensourcestories.org
Tracy Teal @tracykteal.bsky.social 
Signal @signal.org Signal is a nonprofit end-to-end encrypted communications app. Privacy isn’t an optional mode, it’s the way Signal works. Every message, every call, every time. https://signal.org/donate/
Tony Chu @tonyhschu.bsky.social Designer working with data visualization and machine learning.
Jenny Wong (she/her) @jnywong.github.io Open Source Applications Engineer @2i2c.org 👩💻 Maths and fluid dynamics PhD 🌊 Yorkshire, UK 🇬🇧
Kat Abughazaleh @katmabu.bsky.social Former congressional candidate and journalist trying to change politics for good :) | www.kapow.works/
99% Invisible @99pi.org Long running, award winning narrative podcast about all the thought that goes into things most people don’t think about.
www.99pi.org
siriusxm.com/podcasts-plus-subscription
Meesh @cookiedoves.bsky.social bird illustrator and dove mom
Scott Schneider @sdschaos.bsky.social Physics, Astronomy, CrossStitch, oh my! Professor in SE Michigan. Love astronomy calculations (solar system), cross-stitch (and other fiber arts), SciFi, baking shows, caffeine.
Byron J. Smith @byronjsmith.bsky.social Microbial Ecologist / Bioinformatician, Postdoc in the Pollard Lab, Gladstone Institutes. PhD from University of Michigan
Cade Mirchandani @cademirch.bsky.social mostly genomics
https://github.com/cademirch
https://vollgerlab.github.io/
George Musser @georgemusser.com contributing editor, Scientific American, Nautilus; contributing writer, Quanta; author, Putting Ourselves Back in the Equation, Spooky Action at a Distance, Complete Idiot’s Guide to String Theory; planetary scientist, local historian, bassist, salsero
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
Jan Boelts @janboelts.bsky.social Researcher at appliedAI Institute for Europe.
Working on simulation-based inference and responsible ML
Aaron Reichlin-Melnick @reichlinmelnick.bsky.social Senior Fellow at the American Immigration Council. Commenting generally on immigration law and policy. Retweets =/= endorsements, views are my own.
Danilo Tatoni @danilotat.bsky.social PhD student IIT-CNR. Cancer 'omics
@claudius-krause.bsky.social @claudius-krause.bsky.social Researcher in High-Energy Physics and Machine Learning
Isaac Baumann @ibaumann.bsky.social 📈 and 🐈 | Econ PhD student at UIC
Formerly: data stuff at UW-Madison and the media industry; SDSU and Mizzou alum
Mark Shapiro @mhshapiro2.bsky.social Scientist - retired physicist with publications in nuclear physics, nucleosynthesis, solid earth geophysics, atmospheric physics, and computational surface physics - creator of YouTube videos on #ClimateChange - APS Senior Fellow - amateur radio op K6OGD