Martin Emde @martinemde.com Modularity @ Gusto, Rubyist
Euruko @euruko.org The largest and longest running annual Ruby conference in Europe (since 2003). Community driven.
We're heading to Brno, Czech Republic 🇨🇿 for EuRuKo 2026! Sept 16-18.
https://2026.euruko.org
Bozhidar Batsov (a.k.a. Bug) @batsov.net Hacker. Emacs Zealot. Lover of parentheses. Firebrand. Bulgarian. Not necessarily in that order.
The artist formerly known as @bbatsov.
Personal blog: https://batsov.com
FOSS projects blog: https://metaredux.com
Emacs blog: https://emacsredux.com
Mike Perham @mike.contribsys.com CEO/Engineer, creator of Sidekiq
https://mikeperham.com
https://contribsys.com
https://sidekiq.org
Portland, OR
puppy @duckinator.bsky.social a pile of small dogs in a meaty land vessel • KC1QGV • they/them
prone to creating technological cognitohazards
making music again
member of Gem Coop's Project Leadership Committee
#rustlang, #rubylang, #pythonlang, #cprogramming
Josh Johnson @joshjohnsoncomedy.bsky.social Correspondent on the Daily Show. Standup Comic & Emmy-nominated writer. Listen to the Josh Johnson Show podcast on Spotify + Apple
https://linktr.ee/joshjohnsoncomedy
Euruko @euruko.bsky.social #Euruko2025 will be in Viana do Castelo,
Portugal 🇵🇹
#Euruko is Europe's most important #Ruby #conference
Inofficial Euruko account
(happy to transfer it to the organizers)
https://euruko.org/
Jean Boussier @byroot.bsky.social Rails core, Ruby committer, Senior Principal Engineer at Intercom.
Martin Kleppmann @martin.kleppmann.com Associate Professor at @cst.cam.ac.uk, researching decentralised systems and security protocols. Advisor to the Bluesky team. Wrote “Designing Data-Intensive Applications” (O’Reilly). he/him
pvh @pvh.ca just this guy, you know? (director of research @ ink & switch, coined "local-first", contributor to automerge, former postgres guy, heroku staff, ex-game developer, arctic oceanographer.)
The European Review of Books @europeanreview.bsky.social A magazine about culture and ideas, from Europe, for the world, with essays, reviews, stories, profiles and other adventurous writing.
Katie Notopoulos @katienotopoulos.bsky.social Blogger at Business Insider, covering tech, business, culture. knotopoulos@businessinsider.com
Kyrylo Silin @kyrylo.org Making @telebugs.com the best self-hosted Sentry alternative for error tracking.
Homepage https://kyrylo.org
Yippee! @yippee.fun A new SQLite-based Ruby web framework in development by @fractaledmind.bsky.social and @joel.drapper.me.
https://github.com/yippee-fun
Hillel @hillelwayne.com Developer educator at @antithesis.com. Formal methods, software history, chocolatiering. DMs open. *Logic for Programmers* now out! https://logicforprogrammers.com
Newsletter: https://buttondown.email/hillelwayne/
Steven R. Baker @srbaker.bsky.social Comedian. Problem solver. Purveyor of snark. Software veteran. Creator of the describe/it pattern for software description, RSpec, MiniTest::Mock, and other things. 🇨🇦 in 🇸🇪
Julia López @julialopez.dev 📍 Barcelona
💁🏻♀️ https://julialopez.dev
👩💻 https://github.com/yukideluxe
🔈 https://www.rubyevents.org/speakers/julia-lopez
Gianmarco Soresi @gianmarcosoresi.bsky.social Thief of Joy: A Comedy Special NOW ON YOUTUBE
Host of The Downside Podcast
If I have to post on another one of these things I’m gonna kms
GitHub @github.com The AI-powered developer platform to build, scale, and deliver secure software.
Supper Mario Broth @mariobrothblog.bsky.social Additional obscure Mario content for http://suppermariobroth.com.
Now on Patreon: https://www.patreon.com/suppermariobroth
@techaltar.bsky.social @techaltar.bsky.social 
Stephen Margheim @fractaledmind.bsky.social 
Ruby Central @rubycentral.org Ruby Central is the organizing force behind RubyConf, RailsConf & the proud maintainers of RubyGems, Bundler. We've been advancing the Ruby ecosystem & community since 2001.
Get involved: https://rubycentral.org
RailsConf 2025: https://railsconf.org
e18e @e18e.dev https://e18e.dev (Ecosystem Performance) is a community initiative to bring together people who are passionate about improving performance in the JS ecosystem. Get involved at https://chat.e18e.dev 🚀
Sam Reich @samreich.bsky.social 🧢 CEO: Dropout
🎤 Host: Game Changer, Make Some Noise
🌸 he / him
Adam Argyle @nerdy.dev Shopify design-engineer
🎙️ co-host on @whiskey.fm 🥃
prior Google Chrome, Google Cloud, CSSWG, CSS Podcast, Bad @ CSS
Creator of VisBug, open-props.style, prop-for-that, gradient.style, transition.style & more
UI, UX, CSS, HTML, JS
https://nerdy.dev
Rob Shearer @r.v.cx Pretty sure I’m right about:
- RFC 3339 dates
- ISO 216 paper sizes
- Fahrenheit weather temperatures
- Dot-grid paper
- End-to-end encryption
- Software engineering being about collaboration costs
Less confident about the rest.
https://linktr.ee/rvcx
derek guy @dieworkwear.bsky.social Menswear writer. Editor at Put This On. Words at The New York Times, The Washington Post, The Financial Times, Esquire, and Mr. Porter.
If you have a style question, search:
https://dieworkwear.com/ | https://putthison.com/start-here/
Drew Bragg @drbragg.dev Senior Developer @ Podia
Host of Code and the Coding Coders who Code it (https://podcast.drbragg.dev)
Not from Oklahoma
Cirdes Henrique @cirdes.bsky.social CTO @ Linkana and Tropical on Rails Organizer
Andy Croll @andycroll.bsky.social 
pragdave @pragdave.bsky.social Accident prone programmer, speaker, and writer. https://pragprog.com
Thorsten Ball @thorstenball.com Author of interpreterbook.com and compilerbook.com. Working at Sourcegraph. Previously Zed. Programming where the rubber hits the road. Writing Register Spill at: registerspill.thorstenball.com
rich harris @rich-harris.dev my life is derp and i do derp shit
Quinns @itsquinns.bsky.social Writer & presenter for Quinns Quest & People Make Games. quinnsquest.quintinsdomain@gmail.com
Hans Schnedlitz @hansschnedlitz.com Ruby Developer from Vienna and Vienna.rb Ruby Meetup organizer 🇦🇹 Testing, maintainability, and developer experience. Love climbing and hiking 🏔️
Marco Roth @marcoroth.dev Full-Stack Web Developer • OSS Contributor • Electronic Music Addict • Ruby/Rails, JavaScript/Stimulus, Crystal • Hotwire Contributors Team • StimulusReflex Core.
Website: marcoroth.dev
Building: rubyevents.org | rubyconferences.org | gem.sh | hotwire.io
Radan @radan.dev Software developer, RubyZG organizer, Author of http://masterhotwire.com, Runner, Dog Owner, Father (in increasing order of importance). Website: https://radan.dev/
Ronan Limon Duparcmeur @2-45.pm “A delightful blend of existential dread and dad humor, seasoned with tech geekery.”
Susana Peralta @speraltalisboa.bsky.social Associate Professor of Economics @NovaSBE. Public Economics, Political Economy. Op-ed columnist @Publico. Weekly podcast Fora do Baralho @Observador. Own views.
Andrea Fomera @afomera.dev Senior Software Engineer • 🏳️🌈 she/her
Maria Castello Branco @mariacastellob.bsky.social Analista política @cnnportugal.bsky.social
Colunista + Podcast Lei da Paridade @expresso-rss.bsky.social
Previously at LSE, Political Theory
Miguel Herdade @miguelherdade.bsky.social Director at The Access Project @theaccessproject.org.uk
Working on social innovation, inequalities in education & social integration. Views own.
🔗 miguelherdade.org
Guillermo del Toro @realgdt.bsky.social I make movies. I watch movies. I love movies.
Red Letter Media @redlettermedia.com Milwaukee, WI based humor related and entertainment adjacent content creators. The world's only unfluencers.
Matt Levine @matt-levine.bsky.social the money stuff guy
Casey Newton @caseynewton.bsky.social Email salesman at Platformer.news and co-host at Hard Fork.
Edgar Wright @edgarwright.bsky.social Spaced / Shaun Of The Dead / Hot Fuzz / Scott Pilgrim Vs The World / The World’s End / Baby Driver / The Sparks Brothers / Last Night In Soho / The Running Man
@postmodern-mod3.bsky.social @postmodern-mod3.bsky.social Software Engineer, Open Source Developer/Maintainer. Ruby, Crystal, Bash. Sometimes I do security stuff.
GitHub: https://github.com/postmodern
Mastodon:
https://ruby.social/@postmodern
https://infosec.exchange/@postmodern
Inês Romão Duarte @inesromaoduarte.bsky.social PhD Candidate in Political Science at EUI | Institutional Quality, Democratic Erosion, Political Economy | I'm also a full-time mum
Banco de Portugal @bportugal.pt O Banco de Portugal é o banco central da República Portuguesa. Tem duas missões essenciais: a manutenção da estabilidade dos preços e a promoção da estabilidade do sistema financeiro.
Nuno Aguiar @naguiar.bsky.social 
Miguel de Icaza @migueldeicaza.bsky.social 🍉Fun Stack Vibing at @xogot.bsky.social
Started Xamarin, Mono, Gnome. Prev: Microsoft/.NET/Xamarin/Mono/VSMac/MAIA http://mastodon.social/@migueldeicaza
Xavier Noria @fxn.bsky.social Everlasting student · Rails Core · Zeitwerk · Freelance · Life lover
Joe Weisenthal @weisenthal.bsky.social Cohost of The Odd Lots Podcast
Singer and guitarist in Light Sweet Crude
Noah Caldwell-Gervais @noahgervais.bsky.social Moderately popular YouTube game critic and travel author.
JMD 🇨🇦 @jmd.fm Computational Daemonologist. Trying to make dope shit. Loves programming, designing, music, movies, photography, remote living, and cats.
🎯 Building https://owl.so
Wikipedia @wikipedia.org Maybe the real treasure was the citations we made along the way.
donate.wikipedia25.org
João Maria Jonet @jmjonet.bsky.social Social Liberal. Beto de Cascais radicado nos Prazeres e treinado na FCSH. A família diz que sou a direita que dá jeito à esquerda. O Parágrafo nas horas vagas.
Charity Majors @charity.wtf cofounder/CTO @honeycombio, co-author of Observability Engineering and Database Reliability Engineering. I test in production and so do you. 🐝🏳️🌈🦄
JP @jpbrammer.bsky.social Writer. Illustrator. Joto.
Kasper Timm Hansen @kaspth.com @spinel.coop • https://rv.dev • https://gem.coop core team • https://kaspth.com • former Rails core
Jacob Geller @jacobgeller.com Makes the most normal videos on YouTube.
Also a cohort on MinnMax.
https://jacobgeller.com/
Pedro Magalhães @pcmagalhaes.bsky.social Polítical scientist at ULisbon. OSU PhD. Public opinion & judicial politics. Website: https://www.pedro-magalhaes.org
DumbDog @verydumbdog.bsky.social twitch.tv/dumbdog
Twitch Partner and actual real dog /// Profile Image: https://twitter.com/_Cassie_Draws_
@nateberkopec.bsky.social @nateberkopec.bsky.social 
Brandon Weaver @baweaver.bsky.social Principal Eng at Microsoft / GitHub, Ruby Central board member, Neurodivergence Advocate. Autistic / ADHD / Depression, He / Him. I'm the Lemur guy. Living and working somewhere about SF, writing on baweaver.com
Jason Alexander @i-jasonalexander.bsky.social Hi all. It’s really me. I don’t know how to verify on this app. I’m the actor/director/producer/writer/teacher. I’ll try to be interesting. Check my podcast - Really No Really. Wishing you well.
Jeff Geerling @jeffgeerling.com Father, author, developer, maker. Sometimes called "an inflammatory enigma". #stl #ansible #k8s #raspberrypi #mac #crohns www.jeffgeerling.com
José Valim @josevalim.bsky.social Creator of Elixir. Working at Dashbit and Livebook.
Acquired Podcast @acquiredfm.bsky.social Every company has a story. Learn the playbooks that built the world’s greatest companies — and how you can apply them.
Hosted by @ben-gilbert and David Rosenthal.
Aaron Patterson @tenderlove.dev Ruby and Rails hacker working at Shopify, living in Seattle
John Green @johngreensbluesky.bsky.social Author (The Fault in Our Stars, The Anthropocene Reviewed, etc.)
YouTuber (vlogbrothers, Crash Course, etc.)
Football Fan (co-owner of AFC Wimbledon, longtime Liverpool fan)
Opposed to Tuberculosis
Chris Oliver @excid3.com Rails Luminary building GoRails.com, JumpstartRails.com, Hatchbox.io, RailsBytes.com, Remote Ruby Podcast and lots of open source projects.
Do things that scare you.
https://excid3.com
Peter Solnica 🇺🇦 🇵🇱 🇪🇺 @solnic.dev 🛠️ Building @justcrosspost.app & @repobot.app
👨💻 Elixir/Ruby SDK dev at @sentry.io
💜 Creator of Elixir Drops 💦
❤️ Creator of rom-rb and many dry-rb gems and former @Hanamirb.org core team member
#ElixirLang #RubyLang #OpenSource #BuildInPublic
Brad Gessler @bradgessler.com I build stuff people want with Ruby—like BeautifulRuby.com, Terminalwire.com, TinyZap.com, Thingybase.com, LegibleNews.com, Sitepress.cc, and more.
🧑🏻💻 bradgessler.com 🏗️ rocketship.io 🌉 SF Bay Area
Ian O’Toole @ianotoole.bsky.social Board game graphic designer and illustrator. Lisboa, The Gallerist, On Mars, Galactic Cruise, Nemo’s War, Voidfall, Carnegie and more. www.ianotoole.com for prints. He/Him.
Derek Yu @mossmouth.bsky.social https://mossmouth.com/
Irina Nazarova @inazarova.bsky.social CEO @evilmartians.com
Co-founder of @anycable.io
Organizing @sfruby.com
Vicente Valentim @valentimvicente.bsky.social Assistant prof at IE University. Previously EUI and Oxford.
Researching what we think is ok to do in a democracy & how that changes.
Book on the normalization of the radical right: https://academic.oup.com/book/57946
More at www.vicentevalentim.com
Manuel Correia @gamesbymanuel.bsky.social Eclectic game designer, making games that bring people together since 2010. Game Design Lead at Redcatpig
Neurodivergent | He/Him
https://gamesbymanuel.com/
Rosa @rosa.codes 🇪🇺 European ❤️ cities, maths, theoretical computer science, learning languages, puzzles & bicycles 🐶 Human to Mochi 👩🏻💻 Principal programmer @ 37signals - she/her - Antwerp 🇧🇪 / Madrid 🇪🇸
Evan You @evanyou.me Husband / Father of two / Founder voidzero.dev / Creator @vuejs.org & @vite.dev
Jacek Migdal @jakozaur.bsky.social Technical CEO and co-founder of Quesma. Follow for data insights. Prev 10 years at Sumo Logic (0 to $300mln ARR), Meta and NVIDIA CUDA.
Dan Olson 🔜 Saskatchewan @foldablehuman.bsky.social Documentarian
Sarah Z @sarahz.bsky.social Sometimes I make YouTube videos. Right now I play a lot of chess!!! Tomorrow, who knows?
Peter Bhat Harkins ✔️ @push.cx Programmer by day, programmer by night.
Blog: https://push.cx Bootstrapping: https://recheck.dev
I run https://lobste.rs and stream office hours Mon+Thu: https://push.cx/stream
For people migrating, I was @pushcx on Twitter. I use he/him.
Márton Braun @zsmb.co Developer Advocate @ JetBrains, working on Kotlin and Compose Multiplatform, KMP tooling, and Amper.
Instructor @ BME-VIK. Co-organizer @ Android Budapest. GDE for Android. Ex-Google.
zsmb.co
Yahtzee Croshaw @yahtzeecroshaw.bsky.social Creator/voice of Zero Punctuation and the entirely legally distinct Fully Ramblomatic. Critic. Novelist. Game designer. Wears slippers. https://fullyramblomatic-yahtzee.blogspot.com/
Noel Rappin @noelrappin.com Staff Engineer at Chime. Co-author of Programming Ruby. Author of Modern Front End Development for Rails. Also, http://noelrappin.com/about to find me. (He/Him)
Roman Mars @romanmars.bsky.social Creator of 99% Invisible, Trump Con Law, A History of the US in 100 Objects, Power Broker Breakdown- http://99pi.org
TEDTalk on flags w/ over 7M views
NYT Bestseller The 99% Invisible City: http://99pi.org/book
East Bay, CA
Alum: Oberlin, Simon's Rock, UGA
Charlotte McDonnell @coollike.gay (she/her)
Andrei Shikov @shikasd.bsky.social Mostly read/rarely post • Jetpack Compose @ Google • Opinions are my own
Natalie Wynn @contrapoints.bsky.social Ex-philosopher, ex-Tweeter.
Email: info@contrapoints.com
Marko (Nerd and Jock Comics) @markoraassina.bsky.social Comic artist from Finland. I make Nerd and Jock!
Consider supporting my work:
patreon.com/Markocomics
Ben Collins @bencollins.bsky.social Facebook Beef
Maria Pessoa @mariapessoa.bsky.social Biomed researcher turned public health // love all things health economics and policy | from @imperialcollege @MRC_LMS to @ENSP_UNL
localthunk @localthunk.com Literally a fool
Creator of Balatro ( @playbalatro.com )
Business/Media: balatro@playstack.com
Blog: localthunk.com
Direct contact: localthunk.contact@gmail.com
🇨🇦
George R. R. Martin @grrm.bsky.social author, television writer, and television producer.
Jay 🦋 @jay.bsky.team Founder & Chief Innovation Officer @ Bluesky
Working on @attie.ai
🌱 🪴 🌳