Stefanie Molin @stefaniemolin.com Author of Hands-On Data Analysis with #Pandas. Full-stack software engineer, international speaker, and open source contributor. Opinions are my own.
stefaniemolin.com
Tracy Teal @tracykteal.bsky.social 
Research Software Alliance @researchsoftware.bsky.social 
James Colliander @colliand.bsky.social ↗️
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.
Martin Fleischmann @martinfleischmann.net Researcher. Cities, urban morphology, human geography & spatial data science. Open source software developer. #python #cities #open_science
https://martinfleischmann.net
Reshama @reshamas.bsky.social • Statistician
• Data science / Open Source: @dataumbrella.org
• Videos: https://youtube.com/@dataumbrella
Laura Ación @lacion.bsky.social Health AI & Data Science. Ethics in AI. Argentinean Research Council (CONICET) Researcher, MetaDocencia's Co-founder/Exec Co-dir, and several other hats that don't fit here. Most often a misfit
http://lacion.rbind.io
She/Her/Dr/Ella/Dra
Pavithra Eswaramoorthy @pavithraes.me DevRel at Quansight. Thinking about open source & community. 💜
(she/her)
Fernando Pérez @fernandoperez.org Open source, open science, AI in science for earth/ice and healthcare. IPython creator, @projectjupyter.bsky.social and 2i2c.org co-founder.
Prof @ UC Berkeley Stats, director of @ucbids.bsky.social, co-director @schmidtdse.bsky.social; LBL scientist.
Curvenote® @curvenote.com Curvenote's mission is to free science from static PDF documents to enable researchers to continuously share more interactive, reproducible, and richly-linked #openscience content. Curvenote develops authoring and publishing tools for researchers.
Malvika Sharan @malvikasharan.bsky.social #OpenScience, Commons and Communities. 🇮🇳🇩🇪🇬🇧
https://malvikasharan.github.io
Karen Cranston @kcranston.bsky.social Computational biologist. Building data sharing infrastructure. Working from a farm with so many cats.🇨🇦
Noam Ross @noamross.net Computational disease ecologist. Executive Director of @ropensci.org. Co-founder of https://grant-witness.us/. Brooklynite. One Health, open science, #RStats, cities, civics, bikes, fun, love, progress + justice. he/him
Dr. Rachel Isaacs @rachelbiogeog.bsky.social PhD Geog Teaching and researching #climatechange #GIS #remotesensing with a focus on treeline
Carl Boettiger @cboettig.bsky.social Ecology, theory, computers. https://carlboettiger.info 
Laura Chasmer 🛰🌲🔥 @lchasmer.bsky.social Assoc prof at ULethbridge: I combine fieldwork with lasers and airplanes (and general remote sensing) in disturbed boreal peatlands, permafrost, and forests in Western Canada
Steve Moss @gawbul.io Dad, husband, and PhD 🧑🧑🧒🧒👨🏻🎓 Scientist, technologist, and engineer 👨🔬📱👨💻 Bibliophile 📚 Philomath 🤓 Mental health advocate 💚
Passionate about #bioinformatics, #computing, #evolution, #genomics, #medicine, #science, and #sre 🧬🩺💻
Homepage: https://www.gawbul.io
Data Umbrella @dataumbrella.org ◈ community
◈ data science & open source
◈ videos: https://youtube.com/@dataumbrella
◈ events: https://meetup.com/data-umbrella
◈ news: dataumbrella.substack.com/
Lindsey Heagy @lheagy.bsky.social Assistant Professor in Geophysics at UBC
Catalyst Cooperative @catalyst.coop We help #climate advocates, policymakers, & researchers working on the #EnergyTransition by liberating #OpenData about the US energy system using #Python based #DataEngineering
We're also a worker cooperative.
https://github.com/catalyst-cooperative
David Green, PhD @ecologistgreen.bsky.social Wildlife Ecologist. Passionate about open science, scientific publishing, & peer review. Founder of @StacksJournal.bsky.social, a scientific journal designed ease & ethics.
Learn More & Join Us ⬇️
https://www.stacksjournal.org
Steve Purves @opensci.dev Founder @curvenote.com, scribbler at https://opensci.dev, engineer, builder
Patricia Loto @patriloto.bsky.social IT girl (Genexus, .Net, R and SQL) | Teaching R to students with no programming background | Contributed to the Metadocencia Community and Training Teams | @rladiesrciactes co-organizer
Szabolcs Horvát @szhorvat.bsky.social assistant professor at Reykjavik University;
igraph developer;
complex systems, network science, random graphs, connectomics, spatial networks
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
flpm @flipmore.bsky.social I am currently interested in art theory and criticism after 1900s, the mechanisms of mystery and writing. Longing for the old amateur spirit of the early internet.
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
Nicholas Landry @nwlandry.bsky.social Assistant Professor of Biology at the University of Virginia | TGIR Postdoctoral Fellow at @vcsi.bsky.social | PhD in Applied Math from CU Boulder | https://landry-lab.github.io | networks ∩ contagion ⋃ inference ⋃ open software. Views my own.
@inessapawson.bsky.social @inessapawson.bsky.social 
Community Initiatives @communityinitiatives.org Community Initiatives is a nonprofit fiscal sponsor.
We share our 501c3 status and take care of the admin work so projects can focus on their missions.
communityinitiatives.org
MyST Markdown @mystmd.org Markdown with superpowers for writing scientific 👨🔬 and technical 📈papers. #OpenSource & maintained by Project #Jupyter.
Rowan Cockett @row1.ca I talk about computational #openscience communication and science publishing. On the jupyterbook.org & @mystmd.org teams, co-founder of @curvenote.com & @continuous.foundation.
MetaDocencia @metadocencia.org Espacios de aprendizaje, redes de intercambio, recursos abiertos y accesibles para comunidades hispanohablantes que fomentan la Ciencia Abierta con mirada local- O @ofek.bsky.social @ofek.bsky.social
Katelyn FitzGerald @kafitzgerald.bsky.social 
@mosphericbd.bsky.social @mosphericbd.bsky.social 
Berkeley Institute for Data Science (BIDS) @ucbids.bsky.social BIDS is a space for Open Scholarship, Open Source, and interdisciplinary collaboration on AI in science and society. It is part of the UC Berkeley College of Computing, Data Science, and Society.
https://bids.berkeley.edu/
Brett Morris @brettmorr.is Astronomer, software engineer.
Supporting space telescopes, open science, and data access in astrophysics.
Thrilled and haunted by dots on stars.
http://brettmorr.is/
Posts my own, not my employer's.
astropy @astropy.org A community effort to develop a common core package for Astronomy in Python and foster an ecosystem of interoperable astronomy packages.
Web: astropy.org
Source: github.com/astropy/astropy
Docs: docs.astropy.org
Tutorials: learn.astropy.org
Carol Willing @willingc.bsky.social Python is forever🐍
Sugato Ray @sugatoray.bsky.social VP, Data Scientist @Truist
I am a Physicist turned Data Scientist. Deeply passionate about Technical stuff and mostly post about Python, Deep Learning, ML, LLMs, MLOps, DevOps, etc.
Find more on me at https://linktr.ee/sugatoray
Active on LinkedIn.
Lucie @grewn0uille.bsky.social 📝 WeasyPrint Maintainer
🍲 OpenSource Software Developer at CourtBouillon
✨ GDPR Consultant at Stella
🐍 Lyon Python meetup organizer and Former Chair of AFPy
Tetsuo Koyama @tkoyama010.bsky.social Pythonista & vimmer & PyVista Developer team
Developer team of #PyVista
@SciPyConf tutorial co-chair
icon by @pyconjapan CC-BY 2.0
Technical Steering Committee of @NumFOCUS
Nic Fox @foxnic.bsky.social Researching harmed & missing children w/ ML+NLP (“AI”) + more.
Ex IT worker.
Papers + preprints:
* https://doi.org/10.1080/10439463.2024.2333561
* https://doi.org/10.1080/30679125.2025.2612199
* https://doi.org/10.21428/cb6ab371.524bcce2
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 🏳️🌈
kir∅ul @kiroul.org 
Chris Erdmann @libcce.bsky.social Head of Open Science at SciLifeLab Data Centre
Dr. Orthocolumnar Knuckle Sandwich 🛰️🌏 🇵🇸 @hjkl.bsky.social Physicist. Recreational coder 🐍 🦀 Immigrant.
Melissa Lewis @melissa.news data reporter, Center for Investigative Reporting (@motherjones.com + @revealnews.org)
Steven R. Shaw, PhD @shawpsych.bsky.social School and Applied Child Psychology Program
McGill University, Montreal, QC
Director of the School Psychology Credibility Project in The Connections Lab
Kevin Trainor @kevintrainor.bsky.social Teacher, programmer, data modeler, data analyst, systems analyst, Web developer.
For more information about my professional life, please see my LinkedIn profile at https://www.linkedin.com/in/trainorkevin
Camille S. @camisanti.bsky.social I train and support folks who lead STEM communities | runner🏃🏻♂️midfielder ⚽️ pup butler 🐾 | 🏳️🌈
Beth Duckles @bduckles.bsky.social open science, writing, mixed methods, fiber arts and tea. Portland, OR (she, her) 
Paulo Luiz Bittar 🚩 @palbit.bsky.social 🚹☮️🚩
Veit Schiele @veit-schiele.de Author of Python for Data Science, Jupyter Tutorial and PyViz tutorial • pyberlin organiser • Development, consulting and operation of privacy compliant web services at cusy.
#Python #Jupyter #PyViz #DataScience
Kedro @kedro.org An opinionated Python framework for creating reproducible, maintainable and modular machine-learning code.
https://github.com/kedro-org/
Michele Tobias, PhD @micheletobias.bsky.social California Beach Biogeography & Geomorphology, Geospatial Data Science, Cartography, Open Source, UC Davis Library's keeper of the maps she/her
OSGeo FOSS4G #gischat #maptimeDavis
Johannes Wasmer @irratzo.bsky.social @irratzo@chaos.social • machine learning density functional theory • PhD student @fz_juelich • Fellow of @hds_lee graduate school. http://wonderl.ink/@jwasmer
Malika Ihle @malikaihle.bsky.social LMU Open Science Center coordinator
@lmu-osc.bsky.social
former Reproducible Research Oxford coordinator
cofounder of the Society for Open Reliable and Transparent Ecology and Evolutionary biology
@sortee.bsky.social
she/her
Lou Woodley (she/her) @louwoodley.bsky.social Founder and Director of CSCCE. I train, support & research scientific community managers - those building networks and collaborations in STEM. Happiest at the intersection of people, science and tech - with a book & a view of the mountains. #community
Dr Abeba Birhane @abeba.blacksky.app Founder & PI @aial.ie. Assistant Professor of AI, School of Computer Science & Statistics, @tcddublin.bsky.social
AI accountability, AI audits & evaluation, critical data studies. Cognitive scientist by training. Ethiopian in Ireland. She/her
Andy Boughton @occsci.bsky.social Scientist. Programmer. From there it all gets rather meta.
Niklaus Grunwald @grunwald.bsky.social Genomic epidemiology, population genomics, plant pathology, pathogen emergence, #Oomycetes, #Phytophthora, #SuddenOakDeath. Opinions are my own. 🧬🦠🧪🖥️ 
tj mahr 🤘 @tjmahr.com data scientist studying how kids learn to speak, dad, jump roper, bayesian, tjmahr.com, Madison, WI
Jeff Hollister @jhollist.bsky.social Research ecologist. Author of the {elevatr} #rstats package. Still a tired parent. Raised in KC! Opinions and posts here are all my own. he/him.
#lakes #limnology #rstats #ecology #openscience #geospatial #datascience
OpenCV @opencv.bsky.social Non-profit, Open Source Computer Vision since 2000. OpenCV.org
Leandro Leites @lleites.bsky.social Doing data things with Python 🐍
#data #python #cloud #dataengineering
Python feed: https://bsky.app/profile/did:plc:yb37rlld5hddptt5dfywfgpz/feed/aaadaozwkcgjw
Maura Philippone (she/her), M.A., CCC-SLP @mauraeileen13.bsky.social PhD Candidate @ Michigan State University 💚🤍
Exploring ways to 🎮 level up 🎮 SLP voice/speech practices and pedagogy
🗣️🎙️Founder/Co-Director of the monthly voice journal club Forward Focus (Instagram: @ forwardfocusonvoice)
🌐 www.mauraphilippone.com
guglielmoi.bsky.social @guglielmoi.bsky.social Writing here about ML/AI without the hype: leading projects and being hands-on definitely help me on filtering good stuff from buzz. Special interest in Open Source e Life Sciences.
James Konrad Tauber @jtauber.com Using computers to better understand languages, texts, and music.
Web, Python (PSF Fellow), AI/ML, DH, Corpus Linguistics, Narratology, Bayes, Philology, Ancient Greek, Music Theory, Tolkien, Retro Computing, Space.
PhD candidate @dhssfau.bsky.social
Stephen Gruppetta @stephengruppetta.com Constantly looking for simple ways to explain complex things…
Here you'll find:
• Python
• Narrative Technical Writing
• Track & Field Athletics
Links in the pinned post below
stephengruppetta.com
Ivan Skelin @ivanskelin.bsky.social Neuroscientist; Predictive Brain Dept, Fakultät für Psychologie, Ruhr University Bochum, Germany. Naturalistic neuroscience, human intracranial ephys, deep brain stimulation, eye tracking, hippocampus, cortex, SWRipples. Opinions my own. HR CA ⚽
Sarah Brown @brownsarahm.com Assistant Professor in CS: researching ML/AI in sociotechnical systems & teaching Data Science and Dev tools with an emphasis responsible computing
New Englander, NSBE lifetime member
profile pic: me in a purplish sweater with math vaguely on the w
Robert Simmon @rsimmon.bsky.social Data Visualization. Ex-Planet & NASA Earth Observatory. Blue Marble, Earth at Night, color, cartography, occasionally skewed views of Earth. Looking for a job.
Mike Trizna @miketrizna.bsky.social Data Scientist focused on AI/Data Literacy, responsible applications of AI for Libraries, Archives, and Museums
Hannah Mark @tellurianite.bsky.social Seismologist, quilter, bit of a nerd. Olivine is my favorite mineral and Earth is my favorite planet.
Joseph H. Kennedy @ajollyadventure.bsky.social Scientist and Software Engineer, computational glaciology, remote sensing, climate science, "big data" (whatever that means), python, and big adventures. He/Him.
Amar jeet @amarjeat.bsky.social 
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
Johannes Baller @johannesballer.bsky.social 
Tyler Erickson @tylere.bsky.social Sustainability & Climate Change | Earth Observation | Geospatial Cloud Computing | Data Science & Analytics | Consultant | Educator | Speaker
Dan Allan @danielballan.bsky.social I walk around Baltimore with a 7-year-old. I work at a giant X-Ray beam, building software for science.
Jonah Duckles @jonah.duckles.nz Exploring the intersection of people, technology and sustained impact. Ōtepoti, Aotearoa
Expect nerdery of all kinds. 
leah wasser @leahawasser.bsky.social Executive Director & Founder of @pyOpenSci
* open source and open science enthusiast
* stravalib & all-contributors bot maintianer
* Rescue dog mom
* Plant nerd
* All things trail, mountain and crossfit
* Calisthenics: seeking the perfect bar muscleup.
Nicholdav @nicholdav.bsky.social I'm interested in how animals communicate with sound and I try to make that easier for everyone to study: https://www.vocalpy.org/
Cat & dog dad, cold brew addict, video gamer, Florida boy, #altac, podcast fan, occasional espanglish. nicholdav.info
Titus Brown @titus.idyll.org I am not a deep man, but I have many shallows. ctbrown@ucdavis.edu, http://ivory.idyll.org/blog/.
Tessa Pierce Ward, PhD @bluegenes.bsky.social Genomics/metagenomics, bioinformatics, open science. Asst Researcher @ UC Davis, remote from San Diego. Budding rustacean.
Formerly: @Scripps_Ocean, @Stanford. Nature lover and book fiend. she/her.