Anna Bower @annabower.bsky.social Just asking questions.
Senior Editor, Lawfaremedia.org.
Send story ideas and tips to anna.bower@lawfaremedia.org
Katharine Hayhoe @katharinehayhoe.com climate scientist
posts 100% my own
🇨🇦 is my home
distinguished professor & chair, Texas Tech
chief scientist, The Nature Conservancy
board member, Smithsonian NMNH
advisor, Lawson Climate Inst UofT
alumna, UToronto and UIUC
author, Saving Us
Alt18F @alt18f.bsky.social Delivered effective, efficient, and secure digital services for the American people until we were forced to stop on March 1, 2025. Not an official government account. Reposts are not endorsements. Our new website: https://18f.org/ #AltGov
kate conger @kateconger.com tech reporter for the NYT!
co-author of CHARACTER LIMIT!
signal: kateconger.11
buy our book: https://www.penguinrandomhouse.com/books/737290/character-limit-by-kate-conger-and-ryan-mac/
tour dates & translations: https://linktr.ee/kateconger
Dylan O'Donnell @citizenpsmith.bsky.social Geek of diverse paths, but board games come first. He/him/they. 🇬🇧🇪🇺
Mango Media @mango-media.bsky.social We like mangos and publish books!
Publisher of 30+ books on Kindle.
Join our discord: https://discord.gg/7ytpqzTRvh
Charlie Stross @cstross.bsky.social SFF author, triple Hugo award winner (and three times Locus award too), over a million books sold.
Mostly on Mastodon: @cstross@wandering.shop
Blog: https://www.antipope.org/charlie/blog-static/
National Security Counselors 🕵 @nationalsecuritylaw.org Public interest 501(c)(3) law firm for natsec & info/privacy law. Website https://www.nationalsecuritylaw.org. Charitable tax-exempt donations always welcome; details on website front page. Media email Media@ NationalSecurityLaw.org, others email Kel there
nsqe @nsqe.bsky.social Privacy law person. Board member @ Engine.is. Does the infosec law stuff too. Queer. Dorky. Lawyer, not really searching for redemption. @nsqe basically everywhere.
Be less toxic on bsky challenge, difficulty level pretty easy actually
Seth Larson @sethmlarson.dev Python core developer, Security & Fellow of Python Software Foundation (@python.org) 🐍 Minnesoootan, he/him, #Python, #opensource, #security #retrogaming
🌐 https://sethmlarson.dev
Donald Stufft @dstufft.dev pip // PyPI // Python // cryptography
I am perpetually caremad.
I care a lot about security.
Agitator and professional rabble rouser
Thomas Wouters @yhg1s.bsky.social Cat owner, Release Manager for Python 3.12 and 3.13, Meta employee, Python Steering Council member. (He/him or they/them.) Primarily on Mastodon: @Yhg1s@social.coop.
Pablo Galindo Salgado @pablogsal.com I program the programming program that other programmers use to program programs. Python Steering Council and core developer. Python 3.10/3.11 release manager. Deals with black holes and parsers. Attracts linker problems.
Łukasz Langa @lukasz.langa.pl CPython Developer in Residence, Python 3.8 and 3.9 release manager. Gradual typing enthusiast, asynchronous programming proponent, creator of the auto-formatter Black.
He produces electronic music, which includes software and hardware of his own making.
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/
Dawn G W @bajoranengineer.bsky.social (She/her) DevRel + Community Advocacy Dir @ Anaconda, ex-Microsoft, The PSF, WagtailCMS, Djangonaut Space. #BlackSky 🌈
The Linux Foundation @linuxfoundation.org A nonprofit organization enabling mass innovation through open source. #linux #kubernetes #riscv #hyperledger #anuket #openssf #openjs #o3de and more!
FOSDEM @fosdem.org https://fosdem.org
Mike McQuaid @mikemcquaid.com I'm CTPO at Administrate, Homebrew Project Leader, ex-GitHub Principal Engineer, author of Git in Practice and an OSS and developer productivity leader.
Posting mostly automated from mikemcquaid.com.
If you want me to read your reply: email me instead.
OpenSSF @openssf.org Open Source Security Foundation (OpenSSF)
Together, we're securing the open source ecosystem
http://openssf.org
#OSSSecurity #OpenSSFCommunity
GitHub @github.com The AI-powered developer platform to build, scale, and deliver secure software.
Open Source Initiative @opensource.org The steward of the Open Source Definition, the foundation of the modern software ecosystem. We build a world where the freedoms and opportunities of Open Source software can be enjoyed by all. #OpenSource
GSM @turnstep.bsky.social Postgres. Lots of Postgres.
Jonathan S. Katz @jkatz05.com Sr. Staff Product Manager @ Databricks | PostgreSQL Core Team member. Helping people to adopt and learn PostgreSQL! Opinions are my own. | https://jkatz05.com/- T Thomas Munro @tmunro.bsky.social PostgreSQL and sometimes FreeBSD hacker.
Dan Langille @langille.org That guy. BSDCan. PGCon. The FreeBSD Diary. FreshPorts.
https://langille.org/
Crunchy Data @crunchydata.com Just Postgres www.crunchydata.com
United States PostgreSQL Association @pgus.bsky.social The United States PostgreSQL Association, affectionately known as PgUS, is a IRS 501(c)(3) public charity. Our purpose is to support the growth and education of PostgreSQL, The World's Most Advanced Open Source Database.
Marco Slot @marcoslot.com Mostly posts about PostgreSQL, Snowflake Postgres, and PostgreSQL extensions.
Formerly Crunchy Data, Microsoft, Citus Data, AWS, TCD, VU
Craig @craigkerstiens.com Product @crunchydata previously MSFT/Citus/Heroku. Talk a lot about Postgres and startups. Why Postgres? https://www.crunchydata.com/why-postgres
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!
GopherCon @gophercon.com The premier gathering of Go programming language enthusiasts will convene at the Seattle Convention Center | Summit from August 3rd - 6th. Grab a pass at gophercon.com, and we'll see you in the Emerald City!
daniel:// stenberg:// @daniel.haxx.se I write curl. I don't know anything. I am @bagder@mastodon.social
Weekly email at https://lists.haxx.se/listinfo/daniel
Jess Temporal @jesstemporal.com DevRel 🥑 • Author • Creator of gitfichas.com • 👩💻 myyarnstash.app • 🎙 pizzadedados.com • GitHub ⭐️ • Pythonista • games & cross stitch & knitting & 3D printing • 🇧🇷 & 🇨🇦 • she/her • married to @jairojair.com
Pelayo Arbués @pelayoarbues.com Head of Data Science and AI at idealista.com | Film photographer | Ph.D. in Economics | Sharing my digital garden at pelayoarbues.com | Working full remote from the North of Spain
andnewman.bsky.social @andnewman.bsky.social Principal Data Specialist at the ODI. Formerly at DefraGovUK. Treasurer at 20th Sheffield Scouts. Geography geek. Husband & dad. Slightly epileptic.
Paul Maltby @maltbyps.bsky.social I run the public service teams at Faculty AI. Previously Chief Digital Officer in UK gov. Public service reformer 
Jeni Tennison @jenitennison.com Data nerd/wonk. Founder of Connected by Data, campaigning for communities to have a powerful say over data and AI.
Into trans rights, neurodiversity, board games, lego, dogs, spreadsheets.
www.jenitennison.com
Carsten Jung @carsjung.bsky.social Associate director for economic policy & AI @IPPR. Former Bank of England economist and IMF fellow.
Shannon Pileggi @pipinghotdata.com #rstats Data Science ⚒️ @ThePCCTC
#RLadies Leadership Team http://rladies.org 💜
former prof at Cal Poly SLO & Emory
blogger & workshop instructor
Rami Krispin @ramikrispin.bsky.social Senior Manager Data Science and Engineering at | Docker Captain 🐳| Time-series analysis & forecasting
My newsletters:
Weekly updates: https://ramikrispin.substack.com
AIOps: https://theaiops.substack.com
Forecasting: https://theforecaster.substack.com
Matt Menzenski @menzen.ski Principal data engineer at PayIt in KCMO. Data engineering, platform engineering, devops, bicycles, Lego, DIY, KC. Husband. Pop to 2. He/him. Opinions mine. Don't park in bike lanes.
https://linktr.ee/menzenski
Ben Schmidt @bschmidt.bsky.social VP of Information Design at Nomic building new interfaces to embeddings; former history professor/digital humanist. Bsky for humanities/dataviz-y things, @benmschmidt@sigmoid.social for techy stuff, the bad place for business.
https://benschmidt.org
Jess Butler @jessbutler.bsky.social Lead Data Scientist, NHS Grampian + Senior Research Fellow, University of Aberdeen
Trying to do useful things with big, messy, high-security data. Huge nerd for open science and public health
https://www.abdn.ac.uk/iahs/people/profiles/jessicabutler
Dan Goldstein @dggoldst.bsky.social Partner Research Manager at Microsoft Research NYC. AI, Economics, Decision Science.
Adrián Mato 🐙 @adrianmato.com 🐙 Design Director at GitHub Copilot
🙋♂️ adrianmato.com
💼 Startup investor & advisor
✨ 3D wallpapers on adrianmato.art
emily freeman @emilyfreeman.bsky.social Co-founder and CEO, Freeman & Forrest.
Bestselling author of DevOps for Dummies and international keynote speaker. I’ve led Community, DevRel and Product Marketing at AWS, MSFT, and startups.
I was editingemily on Twitter.
Gaël Varoquaux @gaelvaroquaux.bsky.social Research & code: Research director @inria
►Data, Health, & Computer science
►Python coder, (co)founder of scikit-learn, joblib, & @probabl.bsky.social
►Sometimes does art photography
►Physics PhD
Will Larson @lethain.com Write at lethain.com. Author of An Elegant Puzzle, Staff Engineer, and An Engineering Executive’s Primer. Worked some places.
Kelly Vaughn @kvlly.com Engineering leader. modernleader.is
Dogan Ural @doganuraldesign.bsky.social Designer / 100K+ on X: x.com/doganuraldesign
Mikhail Popov @mpopov.com staff data scientist, autism dad, husband, former data science manager
pronouns: he/him
website: https://mpopov.com
disclaimer: views and posts are my own
Julien Le Dem @julien.ledem.net Principal Engineer, Founder, Angel, Advisor, OSS.
LFAI&data: OpenLineage, Marquez, ASF: Parquet, Arrow, Iceberg, 🐖
he/him.
Me: https://julien.ledem.net/
Blog: https://sympathetic.ink
Ines Montani 〰️ @inesmontani.bsky.social 💥 Founder & CEO @explosion.ai
👩💻 Developing spacy.io + prodi.gy + beta.ellf.ai
🐍 Python Software Foundation Fellow
⚡ Hacking @feministai.party
🧠 AI, Machine Learning & NLP
💼 linkedin.com/in/inesmontani
🐘 sigmoid.social/@ines
💥 explosion.ai
🌎 ines.io
Iyad Rahwan | إياد رهوان @iyadrahwan.bsky.social Director, Max Planck Center for Humans & Machines http://chm.mpib-berlin.mpg.de | Former prof. @MIT | Creator of http://moralmachine.net | Art: http://instagram.com/iyad.rahwan Web: rahwan.me
Coty @coty.bsky.social Talk about technology, AI/ML, ethics, politics, language, etc. He/him.
DJ Pardis @djpardis.com 🆕👩🏻🚀 new to the atmosphere
Erin LeDell @ledell.bsky.social Chief Scientist @ Distributional.com @dbnlAI.bsky.social #MLSky #StatSky
Founder @ datascientific.com
Founder wimlds.org & co-founder rladies.org
PhD @ UC Berkeley
🏡 🌈 Oakland, California.
Hilary Parker @hspter.bsky.social Data Science advising / consulting. Formerly startup CTO, Data Science Biden 2020, Stitch Fix, Etsy. PhD JHU Biostar. Co-host Not So Standard Deviations podcast. 🥳😴🧘🐈⬛
Peter W🤓 @wang.social Anaconda Founder&Head of AI; created the PyData movement, PyScript, Bokeh, Datashader; Fellow @ Python Software Foundation; Center for Humane Tech
Game~B; Physics, Cybernetics, Memetics. A student of the human condition.
Memento mori
Chris Albon @chrisalbon.com 
Ethan @ethanrosenthal.com data/ml/ai @ runway in 🗽
formerly spent time in startups, biggish tech, and physics labs
www.ethanrosenthal.com
JD Long @jdlong.cerebralmastication.com CTO at a specialty insurance company. Perpetual cocktail party host, open source fan, econometrician, agricultural economist, and OReilly Author.
Sarah Drasner @sarahedo.bsky.social Opinions my own.
https://sarah.dev
Sr Director of Engineering @ Google: Core Web, Android, iOS Infrastructure
Formerly Vue Core •
Frontend Masters teacher •
O'Reilly Author •
https://www.engmanagement.dev/
https://github.com/sdras
Taylor Poindexter @engineeringbae.bsky.social Engineering Manager @ Spotify💚
Black Code Collective co-founder ✊🏾
Scuba Diver 🧜🏽♀️🤿
Whiskey expert — IG: womanwithwhiskey
Adventurer 🗺️
Mahdi Yusuf @mahdiyusuf.com Sr. Engineering Manager @ Apple. Distributed Systems and Data. Previously @ 1Password.
Homelabs, databases, and basketball.
✍🏾 @architecturenotes.co
Allison Horst @allisonhorst.bsky.social Artist. Previously DevRel & teaching faculty (Environmental Data Science) at UC Santa Barbara. PhD, Env Science. Data science | R | data viz | education | art | allisonhorststudio.com (landscapes) | www.allisonhorst.com (data science)
Nicole Sullivan @nicolesullivan.bsky.social WebKit Engineering Manager at Apple. Ex-Google Chrome, ex-NPM. OOCSS, CSSLint. CSSConf founder, speaker. Climber 🧗, knitter, disabled zebra. Probably riding the hobby carousel 🎠. 🏳️🌈 she/her @stubbornella on Twitter
Kristen M Thayer @kristenmthayer.bsky.social Software Engineer, Manager, Teacher. Seattleite. Old enough that I can hear the sound of dial-up internet when I close my eyes, young enough to care about up-to-date emoji usage. Kindness and joy are important. (Opinions my own). She/her. 
Tim Berners-Lee @timbl.bsky.social Inventor of WWW
Co-founder & CTO Inrupt.com | Lead, Solidproject.org
Co-founder WebFoundation.org & theODI.org
Founder w3.org
My memoir ‘This is for Everyone’ https://thisisforeveryone.timbl.com/
Follow me on Mastodon https://w3c.social/@timbl
Mike Frank @mcxfrank.bsky.social Cognitive scientist at Stanford. Open science advocate. Symbolic Systems Program director. Bluegrass picker, slow runner, dad. http://langcog.stanford.edu
Keith Townsend @CTOAdvisor @thectoadvisor.com Principal The CTO Advisor LLC
Tim Davies @timdavies.org.uk Director of Research & Practice at @ConnectedByData.org working on participatory and open governance of tech. Adoptive parent. 
Kate Kaye @katekaye.bsky.social Personal account. Researching algorithmic & surveillance tech in Portland, OR at RedtailMedia.org. '25-'26 OSU fellow. 25 yrs as a journo reporting on data use, AI, etc. Music nerd, forest walker, raptor watcher and fan of the NY Mets. KEEPIN THAT PMA.
Walter Scheirer @wjscheirer.bsky.social Prof. @notredame.bsky.social. IEEE Computer Society PAMI TC Chair Emeritus. Computer Vision Foundation CTO. Artificial Intelligence + Digital Humanities + History of Technology. wjscheirer.com
Alex Hanna @alexhanna.bsky.social Director of Research, @dairinstitute.bsky.social
Roller derby athlete
https://alex-hanna.com
Book: thecon.ai
Pod+newsletter: https://dair-institute.org/maiht3k
🇪🇬Ⲛⲓⲣⲉⲙⲛ̀ⲭⲏⲙⲓ
🏳️⚧️ she/هي
📸 @willtoft.bsky.social
Rep📘 @ianbonaparte.bsky.social
Sascha Benjamin Fink @sfink.bsky.social Philosopher. Working on issues in neuroscience, consciousness, sensory engineering, psychedelics. Currently Director of Research at the PAIR Centre.
Shannon Vallor @shannonvallor.bsky.social Philosopher/AI Ethicist at Univ of Edinburgh, FRSE. Co-Director @technomoralfutures.bsky.social and BRAID @braiduk.bsky.social, author of Technology and the Virtues (2016) and The AI Mirror (2024). Views my own. Humble servant to Carol and Puffin. She/her.
EllIs Hughes @ellishughes.bsky.social Co-Host of @tidy_explained. developer of {camcorder} and {tidytuesdayR}. #rstats developer. Seattle UseR and Cascadia R Conf organizer. Associate Director Data Science @gsk. Opinions are my own
Dileep George @dileeplearning @dileeplearning.bsky.social AGI research @DeepMind.
Ex cofounder & CTO Vicarious AI (acqd by Alphabet),
Cofounder Numenta
Triply EE (BTech IIT-Mumbai, MS&PhD Stanford). #AGIComics
blog.dileeplearning.com
Maarten van Smeden @maartenvsmeden.bsky.social statistician • associate prof • team lead health data science and head methods research program at julius center • director ai methods lab, umc utrecht, netherlands • views and opinions my own
Nico Ritschel @nicoritschel.com sidequery.dev @sidequery.dev
Data/Product/Engineering atm.com
nicoritschel.com
Yani Bellini Saibene @yabellini.bsky.social I share my experience teaching computational skills and building welcoming communities of practice for programming scientists | rOpenSci Community Manager |
R-Ladies Project Lead | 30 Years in Education | 24 Years as Researcher | Spanglish | #RStats
Luca Soldaini 🎀 @soldaini.net I like tokens! Leading the Olmo data team at @ai2.bsky.social with @kylelo.bsky.social // all opinions sampled from my own stochastic parrot
more at https://soldaini.net
Patrick Stotz @patrickstotz.bsky.social 💼 Co-lead data & visualizations @spiegel.de
🗺️ Blogging about maps at letsmakeamap.com
#dataviz #ddj #maps #rstats
David Thiel @grumplicio.us Infosec person focused on harm reduction in technology; fmr tech, data science and T&S research at https://io.stanford.edu & https://tsjournal.org
https://orcid.org/0000-0002-0947-5921
Also music things + open data.
Kester @kesterbrewin.com Writer, and Associate Director at the Institute for the Future of Work. Views my own. Latest book, God-like: a 500-Year History of AI, is out now. All my books: http://www.kesterbrewin.com
Data Science Renee @becomingdatasci.bsky.social Author of SQL for Data Scientists (Wiley), Senior Director of Data Science at HelioCampus, creator of Becoming a Data Scientist podcast
She/her
https://sqlfordatascientists.com
Kirsten Lum @machsci.bsky.social 🌲🌲 Applied ML/AI, data science, MLOps | Wife of 1, mom of 2 | Co-Founder and CTO of http://storytellers.ai
python 🐍 AI 🤖 cloud ☁️ data 📊
I also talk about Jesus here: @itskirstenlum.bsky.social
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
Pablo Rodríguez Valero @ochobits.bsky.social Technical Art Director. Pixel Artist ocasional. Cocinillas.
Lorena A Barba @labarba.bsky.social Engineering professor, computational scientist, jazz buff, techie, academic writer & font geek. Faculty director of the GW Open Source Program Office.
https://lorenabarba.com
www.linkedin.com/in/lorenabarba
Esteban Ortiz-Ospina @eortizospina.bsky.social Executive co-director @ourworldindata.org
Eugene Yan @eugeneyan.com RecSys, AI, Engineering; Principal Applied Scientist @ Amazon. Led ML @ Alibaba, Lazada, Healthtech Series A. Writing @ eugeneyan.com, aiteratelabs.com.
Adam Marcus @marcua.net Hummus, people, and data. Co-Founder & CTO of B12. Previously Locu, MIT CSAIL. He/him.
https://marcua.net/
Queens is the future.
Katie Bauer @imightbemary.bsky.social bar chart enjoyer wrongbutuseful.substack.com
Landon Noss @landon.wtf Innovation and Engineering leadership @ SIEA/PlayStation (HERE UNOFFICIALLY, NOT MY EMPLOYERS POSTS), former Obama.org Eng director, 24 years in the industry and counting. Rooting for you. Make magic, make art. AMA.
Valerie Phoenix @digitalblkhippy.bsky.social Fractional CTO for startups @ Phoenixing
→ Idea → production in months
I build compliant, human-centered systems in AI, healthcare, fintech, and fast-growth apps. From architecture to first customer.
🎨 Artist | 🧠 Psychology | 🌴 Your Local Cali Hippie
Matthew Mullins @mmullins.coginiti.co technologist, philosopher, and outdoors enthusiast
CTO@COGINITI
Matt Blewitt @matt.blwt.io Erstwhile SRE, database person, human.
https://matt.blwt.io