Leah Stokes @leahstokes.bsky.social Professor of climate + energy policy at UCSB. Alumni of MIT, Columbia and UToronto. Hosts "A Matter of Degrees" podcast. Cuts carbon pollution! Proudly 🇨🇦 Gardener 🌱 leahstokes.com; Newsletter: electricnotes.news
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
Local-First Conf @localfirstconf.com Connect with a rapidly-growing Local-First community. Join us for our third edition 12-14th of July 2026 in Berlin. www.localfirstconf.com
ORCID @orcid.org Connecting research and researchers. https://linktr.ee/orcid_org
Krzysztof Gajos @kgajos.bsky.social Professor of computer science at Harvard. I focus on human-AI interaction, #HCI, and accessible computing.
Sarah Wiegreffe @sarah-nlp.bsky.social Research in NLP (mostly LM interpretability & explainability).
Assistant prof at UMD CS + CLIP.
Previously @ai2.bsky.social @uwnlp.bsky.social
Views my own.
sarahwie.github.io
David Roberts @volts.wtf I run a newsletter/podcast called Volts about clean energy & politics. Subscribe & join the community at http://volts.wtf!
Climate.us @climate.us We are an independent, nonprofit successor to Climate(.)gov, safeguarding public access to trusted climate data, tools, and information.
Donate: https://givebutter.com/climate-for-us-protected-by-you
Hadley Wickham @hadley.nz R, data, 🐕, 🍸, 🌈. He/him.
Ruishi (Ray) Zou @ruishi-zou.bsky.social Incoming PhD Student @ Harvard | Master Student @ UC San Diego | Alum Tongji_Univ. | #HCI | #Visualization | ruishizou.github.io
Brad Frost @bradfrost.com I make things and help people. Web designer & developer, teacher, consultant, speaker, writer, musician, & artist. Host of Wake Up Excited! Author of Atomic Design. Enthusiasm enthusiast.
Brendan Keogh @brkeogh.bsky.social Associate Professor: videogames, creative labour, cultural industries. Gamemaker and critic. NTEU member.
The Videogame Industry Does Not Exist (MIT Press): http://mitpress.mit.edu/9780262545402/
Brisbane, Australia | he/him | can't access DMs sorry
Molleindustria FUTURE? NO THANKS! DEMO OUT @molleindustria.org Paolo Pedercini - Game maker, professor at Carnegie Mellon University. My employer has many, often contradicting, views. Currently making Future? No Thanks!
he/him
Stand Up for Science! @standupforscience.net We mobilize the fight for science and democracy - because science is for everyone! 🧬🧪🌎
Donate here: https://bit.ly/SUFS_GIVING
Learn more ⬇️
https://linktr.ee/standupforscience_bluesky
Andrew Lamb @andrewlamb1111.bsky.social Apache {DataFusion PMC}, Database Internals
Leland McInnes @lelandmcinnes.bsky.social A Mathematician dabbling in Data Science, especially unsupervised learning and data exploration. UMAP, HDBSCAN, PyNNDescent, DataMapPlot. (He/Him)
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.
Carson Sievert (he/him) @cpsievert.bsky.social Shiny engineer at Posit (formerly RStudio). #rstats #python
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
Don Syme @dsyme.bsky.social GitHub Next. Visiting Professor Kings College London.
https://dsyme.net
https://linktr.ee/dsyme
Plotly @plotly.com Plotly builds data visualization tools and platforms for analysts, engineers, scientists, and coding agents you work with.
Jon Mease @jonmmease.bsky.social Data Vis and Semantic Layer development at Hex. Creator of VegaFusion, acquired by Hex. @vega_vis Altair co-maintainer. Former Chief Scientist at @plotlygraphs
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
@ehsanik.bsky.social @ehsanik.bsky.social 
Shreya Shankar @sh-reya.bsky.social PhD student at UC Berkeley. Thinking about MLOps, data analysis and processing with LLMs, HCI
Jeroen Ooms @jeroenooms.bsky.social Staff research engineer at @ropensci, member of tidyverse team, member of R consortium ISC, and project lead of https://r-universe.dev
George Stagg @gws.phd Software Engineer @ Posit working on Open Source & AI. Maths. Physics. I like making things.
Greg Wilson @greg.materialmachinelearn.ing Data scientist, aerospace engineer, coffee geek, sarcastic more often than not
https://www.linkedin.com/in/greg-wilson-6212572/
ELLIS @ellis.eu Strengthening Europe's Leadership in AI through Research Excellence | ellis.eu
hardmaru @hardmaru.bsky.social Co-Founder & CEO, Sakana AI 🎏 → @sakanaai.bsky.social
Visit → https://sakana.ai/
Visual Studio Code @vscode.dev The open source AI code editor
ᴀʟᴇx ʀᴜssᴇʟʟ @infrequently.org Trying to make a web that works for everyone.
Also at https://toot.cafe/@slightlyoff
For more: https://infrequently.org/about-me/
https://infrequently.org/
Max Slinger @promptslinger.bsky.social I write one prompt. Whole galaxies fall out.
Bridging the gap between prompts and real work.
AI Educator. Absurdist. Builder.
Stick around, I'll teach you.
Governor Josh Shapiro @governor.pa.gov 48th Governor of the Commonwealth of Pennsylvania.
Eric Hutchins @ehutchins.bsky.social Started in infosec, co-authored the kill chain paper, dabbled in countering influence operations at Meta, and now back to infosec. Lover of command line, python, and rust.
Maarten Sap @maartensap.bsky.social Working on #NLProc for social good.
Currently at LTI at CMU. 🏳🌈
chuuchuu @chuuchuuapp.bsky.social No more surprises. Find reliable train journeys, see the chance of missed connections, cancelled trains and delays. Go to chuuchuu.com to plan your journey.
Get the app 📲 https://apps.apple.com/us/app/chuuchuu/id6748694096
arXiv @arxiv.bsky.social We're arXiv, the open access repository sharing discoveries and breaking down barriers to cutting edge science for over 30 years.
Mitchell Hashimoto @mitchellh.com 
shri @shrikhalpada.dev creative coder, data nerd, big fan of liberalism
also into coffee shops, guitar noodling, hoops, and playing chess poorly
data viz: http://perthirtysix.com
creative coding: http://shrikhalpada.dev/projects
Red Blob Games @redblobgames.com Hi! I'm Amit Patel. I explain algorithms and math with interactive web pages (incl. pathfinding, hexagons, procgen maps, voronoi). Wrote Solar Realms Elite; helped w/Barren Realms Elite and Realm of the Mad God. https://www.redblobgames.com/
Armin Samii @arminsamii.bsky.social Well, I’m back.
Tory Wegerski @producertory.bsky.social Investigative journalist & news producer for KDKA-TV in Pittsburgh. Professionally nebby. SAG-AFTRA steward. Unionize your newsroom. If I had opinions they'd be mine alone. 🏳️🌈
TribLIVE @triblive.bsky.social TribLIVE.com covers Pittsburgh and Western Pennsylvania news, sports, politics, entertainment and more.
WYEP @wyep.bsky.social Pittsburgh's Independent Public Radio | Where the Music Comes First | Est. 1974
WESA @wesa.fm Pittsburgh's NPR news station. Donate to WESA today: http://tinyurl.com/wesasocial
Joey Cherdarchuk - Obumbratta @obumbratta.com 
Ben Welsh @palewi.re 🧮 Data journalist · 🟠 Reuters editor · 🤖 Computer programmer · 🗣️ Send tips to ben.welsh@thomsonreuters.com
🌉 bridged from ⁂ https://mastodon.palewi.re/@palewire, follow @ap.brid.gy to interact
Jay Hulme @jayhulmepoet.bsky.social Poet. Speaker. Educator. Performer. Adult, YA, and Children's poetry. Occasionally picture books. Lots of posts about churches. Unapologetically trans (he/him) jayhulme.com
CCC @ccc.de Der Chaos Computer Club ist eine galaktische Gemeinschaft von Lebewesen für Informationsfreiheit und Technikfolgenabschätzung. https://ccc.de
Helena Vasconcelos’ Research @helenasresearch.bsky.social Helena Vasconcelos' research account. Email helenav@cs.stanford.edu.
https://helenavasc.com
Social Media Lab @socialmedialab.ca SocialMediaLab.ca News, analysis & views by @philipmai.com re: the politics of tech, social media, AI, immigration, democracy, mis/disinfo, war & propaganda. Explore our suite of social media tools for public interest research: socialmedialab.ca/apps/
University of Washington Information School @ischool.uw.edu One of the world's top schools in information science. Offering degrees in Informatics, Library and Information Science (MLIS), Information Management (MSIM), and Museology, and doctorates in information science. Seattle, WA.
https://ischool.uw.edu/
Alison Presmanes Hill @apreshill.com apreshill.com
Product + Open Source + 1/3 of palmerpenguins team 🐧
Leading product @Pixeltable
Neal Agarwal @neal.fun making neal.fun
Eleonore @eleonore.bsky.social 👩🏿💻 data viz, maps, creative coding: https://elle-est-au-nord.com
👩🏿🎨 visual arts: artsynore.cargo.site
💝 healthy planet & democracy
Vincent Ledvina @vincentledvina.bsky.social 📷”The Aurora Guy”
🌌Space Physics Ph.D. student
📍North Pole, Alaska
🫂Participatory science, science comm.
🌀 Professional aurora chaser
👨💻Views my own
Daniel Swain @weatherwest.bsky.social Weather and climate scientist focused on extreme events like floods, droughts, & wildfires on a warming planet. www.weatherwest.com
Simon P. Couch @simonpcouch.com he/him - writing statistical software at Posit, PBC (née RStudio)🥑
simonpcouch.com, @simonpcouch elsewhere
@erinkpgh.bsky.social @erinkpgh.bsky.social Pittsburgh geek. I contain multitudes.
PGH District 8 @pghdistrict8.bsky.social Official Bluesky page for the Office of Councilperson Erika Strassburger, serving Pittsburgh's Oakland, Shadyside, and Squirrel Hill neighborhoods.
https://www.pittsburghpa.gov/City-Government/City-Council/Districts/Erika-Strassburger-District-8
The Pittsburgh Foundation @pghfoundation.bsky.social The Pittsburgh Foundation works to improve the quality of life in the Pittsburgh region and promotes charitable giving. https://pittsburghfoundation.org/
Pittsburgh Post-Gazette @post-gazette.com Pittsburgh and Western Pennsylvania's leading source for news and analysis. Support local journalism by subscribing at http://my.post-gazette.com/activate
View our starter pack: https://go.bsky.app/Gaxi8Zc
Pittsburgh City Paper @pghcitypaper.com 💯Pittsburgh’s alternative for news, art, and entertainment.
🆓Always free in print and online.
pghcitypaper.com
Marques Brownlee @mkbhd.com Video maker
@graphichunters.bsky.social @graphichunters.bsky.social 
Bastian Herre @bastianherre.bsky.social Politics & Society Lead @ourworldindata.org. I make research on democracy, human rights, and conflict easier to access and understand. he/him
Check out my work: https://ourworldindata.org/team/bastian-herre
Sonja Kuijpers | STUDIO TERP @sonjakuijpers.bsky.social Datavisualization and data-art, one woman studio: illustrating data on social issues, mental health, science, culture.
Born in the 70s, NL (Brabo), 🏳️🌈 mother of 2 teens, macro photographer
Mira Rojanasakul @rjnskl.bsky.social Data and visual journalist, New York Times climate team
https://www.nytimes.com/by/mira-rojanasakul
Rachel Binx @binx.bsky.social climate tech, dataviz, scuba diving and cockatiels
rachelbinx.com
glitchclouds.com
Amanda Shendruk @ashendruk.com https://www.not-ship.com/
Explaining the world through data and design • Newsletter: Not-Ship • Formerly Washington Post, Quartz, the Guardian 🇨🇦 🏴
Josh Nicholas @joshnicholas.com Scribbler and journalist https://joshnicholas.com
Alexis Pister @aappi.bsky.social 
Explainable AI Berlin @xai-berlin.bsky.social Explainable AI research from the machine learning group of Prof. Klaus-Robert Müller at @tuberlin.bsky.social & @bifold.berlin
@gicentre.bsky.social @gicentre.bsky.social 
Adrian Daub @adriandaub.bsky.social "Zeitgeistprofessor". Cultural history, gender research at Stanford. Books: WHAT TECH CALLS THINKING (2020); THE CANCEL CULTURE PANIC (2024). WHAT TECH CALLS GOVERNING and PROJECT 1933 (2026). Pod: In Bed With the Right. Newsletter: adriandaub.substack.com
John David Pressman @jdp.extropian.net Machine learning researcher, alignment-accelerationist, Fedorovist ancestor simulator, Dreamtime enjoyer.
All posts public domain under CC0 1.0.
Daniel Rosenwasser @danr.bsky.social TypeScript Product Manager and TC39 rep working on JavaScript standards.
Enthusiast of compilers, dev tools, language VMs/runtimes.
Pittsburgh's Public Source @publicsource.org Impactful Pittsburgh journalism. Nonprofit. Sign up for our newsletter: https://publicsource.org/newsletter | Support us: https://publicsource.org/donate
Aditya Vashistha @imadityav.bsky.social Assistant Professor at Cornell. Research in HCI4D, Social Computing, Responsible AI, and Accessibility. https://www.adityavashistha.com/
Matt Wright @mattwright.bsky.social Restaurant owner in Austin, dad, hoops fan. Main interests: #rstats, data viz, Power BI, cheaper housing, Wem-V-P. (Not a frequent poster.)
Gergely Orosz @gergely.pragmaticengineer.com Writing The Pragmatic Engineer (@pragmaticengineer.com), the #1 technology newsletter on Substack. Author of The Software Engineer's Guidebook (engguidebook.com). Formerly at Uber, Skype, Skyscanner. More at pragmaticengineer.com
Jonatan Hildén @jhilden.bsky.social Information designer from Helsinki. Co-founder of Koponen+Hildén
Co-author of the Data visualization handbook / Tieto näkyväksi (Finnish edition)
TigerBeetle @tigerbeetle.com The financial transactions database designed to power the next 30 years of online transaction processing.
Katharina Reinecke @katharinareinecke.bsky.social Professor at UW Allen School for Comp Science & Engineering, researching HCI and computing ethics, co-founder of LabintheWild.org
https://homes.cs.washington.edu/~reinecke/
https://www.labinthewild.org/
Fathom Information Design @fathom.info We build platforms and products for understanding data. https://fathom.info/
Yuvvan @yuvvan.bsky.social Electrical & Computer Engineering at CMU.
Coffee ☕️, Soul 🎺 and Code {}
sam henri gold @samhenri.gold animal, vegetable, and mineral. product designer/engineer-er (prev Tavus, @lickability.com)
CoMaps @comaps.app Free and open navigation with privacy -
Built by the community
https://opencollective.com/comaps
Yoav Artzi @yoavartzi.com LM/NLP/ML researcher ¯\_(ツ)_/¯
yoavartzi.com / associate professor @ Cornell CS + Cornell Tech campus @ NYC / nlp.cornell.edu / visiting researcher @ Google DeepMind / building @colmweb.org / previously associate faculty director @ arXiv.org
Eunsol Choi @eunsol.bsky.social assistant professor in computer science / data science at NYU. studying natural language processing and machine learning. 
jamelle @jamellebouie.net The real jbouie. Columnist for the New York Times Opinion section. Co-host of the Unclear and Present Danger podcast. b-boy-bouiebaisse on TikTok. jbouienyt on Twitch. National program director of the CHUM Group.
Send me your mutual aid requests.
matplotlib @matplotlib.org Python library for creating static, animated, & interactive visualizations. Chat w/ us @ https://discourse.matplotlib.org/
Sponsored by NumFocus
Hannah @story645.bsky.social graduate student studying visualization (CS) @thegraduatecenter.bsky.social & @matplotlib.org community manager- D Michiel Duvekot @duvekot.bsky.social #kakistographs
from Ancient Greek κάκιστος (kákistos, 'worst')
Natalie Vais @nvais.bsky.social gp at spark capital ✨ databases, infra, dev tools
Anne Hidalgo @annehidalgo.bsky.social Ancienne Maire de Paris
Shakir Mohamed @shakirm.bsky.social AI, sociotechnical systems, social purpose. Research director at Google DeepMind. Cofounder and Chair at Deep Learning Indaba. FAccT2025 co-program chair. shakirm.com
@nikhil07prakash.bsky.social @nikhil07prakash.bsky.social 
Mathias Lafeldt @mathias.blog Indie product engineer obsessed with dev tools, performance & AI.
Maintainer of duckdb-rs & duckdb-go. ⚡️
🔗 mathias.blog