Armin Ronacher @mitsuhiko.at Creator of Flask • earendil.com ♥︎ writing and giving talks • Excited about AI • Husband and father of three • Inhabits Vienna; Liberal Spirit • “more nuanced in person” • More AI content on https://x.com/mitsuhiko
More stuff: https://ronacher.eu/
smartvote.ch @smartvote.bsky.social Die Schweizer Online-Wahlhilfe seit 2003 – L'aide au vote en ligne depuis 2003.
http://smartvote.ch | http://smartmonitor.ch | http://Politools.net
Sebastian Haas 🇪🇺 @seb.haas.partners data, policy | impact entrepreneur | covering soil and landscape‑scale agrobiodiversity
1st 🇪🇺 EU's data altruism organisation dedicated to land use policy and climate journalism.
https://www.linkedin.com/in/sebastianoskarhaas/
Open Local First @localfirst.bsky.social The home for the communities of open source developers, engineers, researchers and designers who love and do Local First software.
Organizing the Local First devroom at FOSDEM'26 in Brussels. 1st Feb 2026.
https://openlocalfirst.org
Roger Beecham @rjbeecham.bsky.social Associate Prof @UniversityofLeeds + Director of R&I @LIDA
data vis | statistical practice | transport + mobility
web: https://www.roger-beecham.com/
book: https://vis4sds.github.io/vis4sds/
Hannes Mühleisen @hannes.muehleisen.org I like databases and boats. Co-creator of @duckdb.org, Co-Founder and CEO DuckDB Labs.
Janika Raun @janikaraun.bsky.social Tourism geography researcher @ University of Tartu, Estonia
Interested in #mobility, #multilocalliving, #tourism
Enrico Bertini (FILWD) @ebertini.bsky.social FILWD on Substack: https://filwd.substack.com/. Weekly post on data visualization and beyond (quite some AI lately).
Data visualizer (teaching, researching, divulging, etc.) Faculty at Northeastern University. Italian. Father of 3.
trevor manz @manzt.sh middle child, creator of anywidget.dev
building @marimo.io; prev @harvard.edu
Hadley Wickham @hadley.nz R, data, 🐕, 🍸, 🌈. He/him.
Cagatay Turkay @cagatay-turkay.bsky.social Academic at @CIMethods at University of Warwick. Interested in data visualisation, data science, and interactions between humans, data and algorithms - https://warwick.ac.uk/fac/cross_fac/cim/people/cagatay-turkay
Hendrik Strobelt @henstr.bsky.social Senior Research Scientist at IBM Research and Explainability lead at the MIT-IBM AI Lab in Cambridge, MA. Interested in all things (X)AI, NLP, Visualization. Hobbies: Social chair at #NeurIPS, MiniConf, Mementor-- http://hendrik.strobelt.com
Christoph Kinkeldey @geovisual.bsky.social visualization lecturer, researcher, developer. datavis, geovis, uncertainty vis. professor of media informatics and data visualization at university of applied sciences hamburg.
Jeffrey Heer @jheer.org UW Computer Science Professor. Data, visualization & interaction. UW Interactive Data Lab, Vega, Ex-Trifacta. Sometimes Seattle, manchmal Berlin.
Mike Bostock @ocks.org Visualization toolmaker. Founder of Observable. Creator of D3. Former NYT Graphics. Pronounced BOSS-tock.
Alexander Lex @alex-lex.bsky.social Data visualization researcher. Associate Prof of CS at the University of Utah. Lab website: https://vdl.sci.utah.edu. Co-founder of
datavisyn: https://datavisyn.io
Andrea Borruso @aborruso.bsky.social The Cat in the Hat Can Map This and That!
#data #maps #GIS #baci #condivisione.
Orgoglioso di essere presidente di onData
Stephan @ping13.bsky.social Hi, I’m Stephan Heuel: a husband, dad, and engineering manager based in Switzerland. I’m a nerd for sustainability, data, and GIS, and I enjoy driving innovation while shaping teams and structures to achieve meaningful, end-to-end results.
Joris Van den Bossche @jorisvandenbossche.bsky.social Open source #python software developer and teacher. Pandas core developer. GeoPandas and Shapely maintainer. Apache Arrow PMC.
Software engineer at fused.io
Tuomas Väisänen 📼🧟 @waeiski.bsky.social 🧑🎓 Computational urban geographer & post-doc researcher interested in #GIScience #UrbanStudies #Multilingualism #Diversity #Mobility #Geography #BigData + #Linux.
💻 @digigeolab.bsky.social
🎓 @helsinki.fi
🌍 Helsinki, Finland
https://waeiski.github.io
André Ourednik @andre-ourednik.bsky.social Geographer, Data Scientist and Writer (fictions, essays). [freelance].
Author of "Robopoïèses: les intelligences artificielles de la nature".
Public speaker. Lecturer at EPFL and at University of Neuchâtel.
https://ourednik.info
@jwasilgeo.bsky.social @jwasilgeo.bsky.social Geo software dev focused on web mapping 🗺️, data visualization 📈, and remote sensing 🛰️. Building things at Datadog. Past: Foursquare Studio, Esri, National Geographic. https://jwasilgeo.github.io/
Yalong Yang @yalongyang.bsky.social Assistant Professor @ICatGT @gtcomputing. Formerly: faculty @VT_CS | Postdoc @HarvardVCG | Ph.D. @MonashInfotech.
Kyle Walker @kylewalker.bsky.social Demographics | Geospatial | Data Science | Open Source
Kamil Raczycki @raczeq.bsky.social Geospatial 🌍 Data Wizard 🧙♂️ & Scientist 🔬
Crafting new Open Source tools 🔮
kamilraczycki.com
Vikram Gundeti @vikramgundeti.bsky.social CTO, Foursquare; Founding engineer, Amazon Alexa
Marena @marenab.bsky.social DevRel @ Mapbox
X handle @Marena_B
LinkedIn linkedin.com/in/marena-b-smith/
Julian Schmidli @julianschmidli.com 🕵️ Investigative Reporter at Swiss Public Broadcast SRF.
🔍 Data, OSINT, Privacy, Big Tech, Cyber, Surveillance Capitalism, Climate.
✉️ jnsmd@proton.me | signal: jnsmd.02 | Threema: MAW8N8JD
🌐 https://srf.ch/data
🌍 https://julianschmidli.com/en/ddj
Yuri Astrakhan @nyurik.bsky.social Maps, Rust, DataViz, DBs, OSM. Co-founder of MapLibre. Author of Wikipedia API/maps/graphs. Former principle engineer at Elastic, now at Rivian.
Gabriele Rossi @gabrieleru.bsky.social CEO at www.accurat.it
Mayor at www.salotto.nyc
Christian Laesser @laesser.bsky.social christianlaesser.com
Sarah Schöttler @sarahschoettler.com Assistant Professor in the Visualization cluster at TU Eindhoven, NL ✨👩💻☕️ (she/her) https://sarahschoettler.com
Maarten Lambrechts @maartenzam.bsky.social Data visualization consultant at the Development Data Group of the World Bank
www.maartenlambrechts.com
Till Nagel @tnagel.bsky.social Designing, developing, researching and teaching visualizations. Research Professor for visual analytics at Technische Hochschule Mannheim. Co-editor of Making with Data.
https://www.hdilab.org
Ilya @amanfromuncle.bsky.social Open source geospatial - analysis, development & cartography. Shitposting, Cats and Climbing. Opinions my own.
Simon Huwiler @simonhuwiler.ch #ddj @visuals.nzz.ch
🔗 http://journalist.sh, http://uawardata.com, http://brokjson.dev, http://pharmagelder.ch
Yuri Engelhardt 🌱 @yuriengelhardt.bsky.social Information Visualisation 📊📉✍🏼
and Climate 🔥 @ University of Twente
Core projects:
The Languages of Visualization, with Clive Richards
Conference @visualisingclimate.com
Climate Centre @utclimate.bsky.social
LinkedIn https://linkedin.com/in/yuriengelhardt
🪲 James Johnson @thisisjam.es #dataviz enthusiast & interactive storyteller. Building visual essays, dashboards, and tech projects.
Pro sectors: electronics, semiconductors.
More at ThisIsJam.es
I run the Info Vis Group in Barcelona:
www.infovisgroup.org- C Mapzilla @craigtaylorviz.bsky.social Creative data artist in the spatial industry.
Fritz Lekschas @lekschas.de I'm a computer scientist who develops interactive, intelligent, and insightful visualization systems for analyzing and exploring large-scale data on the web.
https://lekschas.de · https://github.com/flekschas · https://linkedin.com/in/flekschas
Egor Kotov 🌐🏃♂️🚊🚋🚙 @ekotov.pro Spatial Data Scientist, Postdoctoral Researcher #HumanMobility #geospatial @tu-dortmund.de, @imprs-phds.bsky.social, @upf.edu #rspatial #rstats dev of #rstats github.com/rOpenSpain/spanishoddata 🌐: www.ekotov.pro datasci.social/@EgorKotov
Kyle Barron @kylebarron.dev Creating the next generation of geospatial data tools for Python & the browser with GeoArrow, GeoParquet & GeoRust @developmentseed | he/him 🌈
Matthias Stahl @higsch.com | Husband & dad^3
| head data & visualizations at @spiegel.de
| #Svelte and #D3
| biochemistry & computational biology PhD
| 🇸🇪🇩🇪🇪🇺
| https://spiegel.de/duv
| https://higsch.com
Datawrapper @datawrapper.de Enrich your stories with charts, maps, and tables – interactive, responsive, and on brand. Questions? Write us: datawrapper.de/contact-us
matt brehmer @mattbrehmer.bsky.social #HCI researcher, assistant professor of computer science at the university of waterloo. previously {tableau | microsoft} research. interested in #visualization and ubietous information experiences. https://mattbrehmer.ca | https://ubixgroup.ca
David Oesch @davidoesch.bsky.social Geo & Data evangelist. Project Manager by conviction. General knowledge master.
Cameron Beccario @cambecc.nullschool.net Creator earth.nullschool.net and nullschool.app
Born at 329 ppm.
Michal Migurski @mike.teczno.com Oakland, Maps, Bikes, etc. Also @migurski@mastodon.social and formerly @migurski on the birdsite. 
Jer Thorp @jerthorp.bsky.social Artist, writer, educator, birder & nudibranch enthusiast. Author of Living in Data (MCDxFSG).
Information is Beautiful @infobeautiful.bsky.social Data visualizations & information graphics by David McCandless. Plus favourite finds & graphics from around the web. Making sense of the world - well, trying to - since 2009.
https://linktr.ee/infobeautiful
Alberto Cairo @albertocairo.com Designer, journalist, and professor.
Author of 'The Art of Insight' (2023) 'How Charts Lie' (2019), 'The Truthful Art' (2016), and 'The Functional Art' (2012). NEW PROJECT: https://openvisualizationacademy.org/ 
Robert Kosara @eagereyes.org Interested in all things visual and data, like data visualization. ISOTYPE collector, synth dabbler, runner.
Jason Davies @jasondavies.com computer programmer
Jen Christiansen @jenchristiansen.com Information designer / art director / visual journalist / science communicator • Author of Building Science Graphics • Former gigs include graphics @ Scientific American & design @ National Geographic • www.jenchristiansen.com • Ask me about pulsar charts
Simon Rogers @simonrogers.bsky.social Author: What We Ask Google, May 2026. Data storyteller @Google. Was @Twitter @Guardian. Co-host with Alberto Cairo & Scott Klein of http://datajournalismpodcast.com
Marcin Ignac @marcinignac.bsky.social Computational designer, data artist, generative art coder, founder of @variable.io and co-creator of https://nodes.io.
http://marcinignac.com
Rachel Binx @binx.bsky.social climate tech, dataviz, scuba diving and cockatiels
rachelbinx.com
glitchclouds.com
David Bauer @davidbauer.ch A curious generalist who loves making things.
👋 https://www.davidbauer.ch
📨 https://www.weeklyfilet.com
🧯 https://www.republik.ch/challenge-accepted
🕹️ https://www.youdontknowafrica.com
🤔 https://www.dataguessr.com
📚 https://www.davidbauer.ch/bookshelf
patricio gonzalez vivo @patricio.io Research Engineer.
Author of https://thebookofshaders.com/, https://lygia.xyz/ and https://pixelspiritdeck.com
Mas:@patricio@merveilles.town
Web: patriciogonzalezvivo.com
Sarah Drasner @sarahedo.bsky.social Opinions my own. https://sarah.dev
Distinguished Engineer @ Google, Chrome
Formerly Google Core Infrastructure
Formerly Vue Core •
Frontend Masters teacher •
O'Reilly Author •
https://www.engmanagement.dev/
https://github.com/sdras
Nadja Popovich @popovichn.bsky.social Senior editor, data + viz @bloomberg /
formerly @nytclimate
✨✨✨✨✨
Tom MacWright @macwright.com bikes, runs, makes val.town, writes macwright.com, open source, geo, music, sewing and other stuff.
twitter archive: https://bsky.app/profile/archive.macwright.com
@fil.rezo.net @fil.rezo.net maps | data | code | journalism
#D3 & #Observable
👁️🗨️ https://observablehq.com/@fil
🌍 https://visionscarto.net/
John Burn-Murdoch @jburnmurdoch.ft.com Columnist and chief data reporter the Financial Times | Stories, stats & scatterplots | john.burn-murdoch@ft.com
📝 ft.com/jbm
Martin Wattenberg @wattenberg.bsky.social Human/AI interaction. ML interpretability. Visualization as design, science, art. Professor at Harvard, and part-time at Google DeepMind.
Dominikus @do.minik.us generative artist and prof, data visualization developer, identity-challenged
dataviz: https://do.minik.us
art: https://dominikus.art
Lynn Cherny @arnicas.bsky.social Into creative ML/AI, NLP, data science and digital humanities, narrative, infovis, games, sf & f. Consultant, ds in Residence at Google Arts & Culture. (Lyon, FR) Newsletter arnicas.substack.com.
FT Visual & Data Journalism @data.ft.com The FT’s team of reporters, statisticians, illustrators, cartographers, designers, and developers work with colleagues across our newsrooms, using graphics and data to find, investigate and explain stories.
https://www.ft.com/visual-and-data-journalism
Andy Kirk @visualisingdata.com An Independent Data Visualisation Expert educating, inspiring, and celebrating data viz excellence, everywhere since 2010.
🇬🇧 in 🇮🇪
It’s all here http://visualisingdata.com/
Nadieh Bremer @nadiehbremer.com Award-winning Data Visualization Designer & Data Artist | Founder of Visual Cinnamon | Graduated Astronomer ✨ | Author of "CHART" & "Data Sketches" | 🇳🇱
VisualCinnamon.com
Steve Haroz @steveharoz.com Visual perception and cognition scientist
(he/him)
My site: http://steveharoz.com
R guide: https://r-guide.steveharoz.com
StatCheck Simple: http://statcheck.steveharoz.com
Jo Wood @jwolondon.bsky.social Professor of Visual Analytics who does datavis, visualization storytelling and natural travel. Did I mention visualization?
Amy Cesal @amycesal.com Freelance information designer and data viz consultant.
👩🏼🏫 Instructor @ MICA Data Analytics and Visualization grad program
📊 Product Evangelist @everviz
https://www.amycesal.com
Moritz Stefaner / Truth & Beauty @moritzstefaner.bsky.social Crafting data experiences at http://truth-and-beauty.net
Danyel Fisher @danyelf.bsky.social Data visualization; user experience with data analysis; general joyful data nerdery. https://danyelfisher.info
Dominik Moritz @domoritz.de Visualization, data, AI/ML. Professor at CMU (@dig.cmu.edu, @hcii.cmu.edu) and researcher at Apple. Previously @idl.uw.edu. Also sailboats ⛵️ and chocolate 🍫.
www.domoritz.de
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
Amelia Wattenberger @wattenberger.com web dev, design, LLMs, data viz, tools for thought
✨ Design @ SHV
🌸 wattenberger.com
rich harris @rich-harris.dev my life is derp and i do derp shit
Arvind Satyanarayan @arvind.bsky.social Asst Professing at MIT CSAIL. Data visualization, ML interpretability, accessibility, cognitively convivial information.
Randall Munroe @xkcd.com 
Lisa Charlotte Muth @lisacmuth.bsky.social Creating & writing about data vis for @datawrapper.de
Julius Tröger @juliustroeger.bsky.social Head of Data and Visualization @zeit (zeit.de/daten-und-visualisierung)
Kenneth Field @kennethfield.bsky.social Cartography is my passion & profession. Author of CARTOGRAPHY. & THEMATIC MAPPING. Maps+drums+snowboards+footy+sarcasm. 🇬🇧 in 🇺🇸 Views mine. links.esri.com/mappyhour
Kim Albrecht @kimay.bsky.social Professor for Information Design at Folkwang University of the Arts
Principal metaLAB (at) Harvard & Berlin
kimalbrecht.com
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.
Stephan Thiel @stephanthiel.com Design for decisions / @nand.io & more
Amanda Makulec @abmakulec.bsky.social Independent health data visualization designer, speaker, and teacher | Data Viz Society Founding Board Member & Advisory Council, Exec Director 2021-2024
Jan Willem Tulp @tulpinteractive.com Visual Systems Designer & Creator of Frameshift Design | Transforming extreme complexity into genuine understanding
https://tulpinteractive.com https://timebender.io
Neil Gaiman @neilhimself.neilgaiman.com Makes things up. Writes them down. Dreams about growing up but not yet. 
dan @danabra.mov no, this is how it works