Antoine Pitrou @pitrou.net Logiciel libre / free software (core developer of @arrow.apache.org, #ApacheParquet, #Python #CPython). Engineer at @quantstack.bsky.social. Membre de l'Afis @afis.bsky.social.
(profile picture: Sophie Taeuber's lion)
春鳥 Halcho @halcho3-3.bsky.social コピックでアナログイラストを描いてます。かわいくてキラキラした絵が好み。1児の母。仕事育児で反応遅めです。⚫︎好き/文鳥、手芸、漫画⚫︎無言フォロー失礼します〜 All right reserved. 作品のAI学習・無断転載・使用禁止です。
Julian Hyde @julianhyde.bsky.social On a mission to tame data. (Ex-Google, always ASF, working on something new.)
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
Columnar @columnar.tech At https://columnar.tech, we're building the future of fast universal data connectivity.
galette official* @galetteweb.bsky.social Official Bluesky of the independently produced yuri manga magazine "Galette". A quarterly magazine that collects yuri in various genres such as manga and illustrations.✨ https://galetteweb.com/galettefanclub http://galetteweb.fanbox.cc
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
Steve Klabnik @steveklabnik.com #rustlang, #jj-vcs, atproto, shitposts, urbanism. I contain multitudes.
Working on #ruelang but just for fun.
Currently in Austin, TX, but from Pittsburgh. Previously in Bushwick, the Mission, LA.
Cocoa @uwucocoa.moe 
@kou.cozmixng.org @kou.cozmixng.org 
Justin Brower @naturespoisons.bsky.social Forensic Toxicologist, PhD Organic Chemist & Prince of Poisons. Writing NATURE'S POISONS, the science & history of nature's most vicious creations (WW Norton, 2025). Also into gardening, fountain pens, photography, and 3D printing. NaturesPoisons.com
Bryce @brycemecum.com Working on open source, mostly Apache Arrow (https://arrow.apache.org)
Raúl Cumplido @raulcumplido.bsky.social Software and stuff. Working on Apache Arrow
François Michonneau @francoismichonneau.net 👨💻 Solutions Engineer @posit.co
🧑🏫 Previously Voltron Data, The Carpentries
🌍 Global, remote, inclusive leadership
📈 Empowering others to get the most out of their data
📦 #Rstats developer
🏡 Bed & Breakfast host
Wes McKinney @wesmckinney.com Principal Architect @posit.co, GP Composed Ventures, Co-founder Voltron Data. Open source: Apache Arrow, pandas, Ibis. "Python for Data Analysis" book
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
Andy Grove @andygrove.io Apache Arrow & DataFusion PMC Member. Original creator of Apache DataFusion.
Alison Presmanes Hill @apreshill.com apreshill.com
Product + Open Source + 1/3 of palmerpenguins team 🐧
Leading product @Pixeltable
Felipe O. Carvalho @felipe.rs SWE @ dbt Labs. Past: SDF, VoDa, Spotify. Apache Arrow/Databases/Compilers/DistSys. Rust/C++/OCaml/TLA+. 🇧🇷 → 🇸🇪 → 🌎 http://bento.me/felipe / https://felipe.rs
Apache Arrow @arrow.apache.org Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics.
Find more at https://arrow.apache.org/
Kyra Dempsey - Admiral Cloudberg @kyracloudy.bsky.social Aviation writer Admiral Cloudberg 🏳️⚧️
Controlled Pod Into Terrain cohost
Mentour Pilot script writer/researcher (views my own)
https://admiralcloudberg.medium.com/
Apache Software Foundation (The ASF) @apache.org The global home for open source software, powering some of the world’s most ubiquitous software projects in web, big data, Java, IoT, cloud computing, and more. Learn more at https://apache.org.
Weston Pace @westonpace.bsky.social Software developer working on all things arrow and columnar storage, currently, Lance.
Matt Levine @matt-levine.bsky.social the money stuff guy
Garbage Day @garbageday.email I'm a newsletter (and sometimes other stuff) about the internet (and sometimes other stuff)
Jim Apple @jimapple.bsky.social 
Ken Shirriff @righto.com Computer history. Reverse-engineering old chips. Restored Apollo Guidance Computer, Alto. Ex-Google, Sun, Msft. So-called boffin.
Matthew Mullins @mmullins.coginiti.co technologist, philosopher, and outdoors enthusiast
CTO@COGINITI
Ian Cook @ian.columnar.tech I work on Apache Arrow and obsess about interoperability and performance in data analytics systems
DuckDB @duckdb.org DuckDB is an analytical in-process SQL database management system. "DuckDB" and the DuckDB logo are registered trademarks of the DuckDB Foundation.
やとさき🐰はる @yatosaking.bsky.social うさぎ小屋に住むことを夢見ている人間
漫画を描き、生業にしているらしい…
Andy Pavlo @andypavlo.bsky.social Database Research @ ClickHouse
Associate Prof. of Databases @ Carnegie Mellon.
Hannes Mühleisen @hannes.muehleisen.org I like databases and boats. Co-creator of @duckdb.org, Co-Founder and CEO DuckDB Labs.
レンジーヌ/Renzeanue @renzeanue.bsky.social 
やこた @ukyakota.bsky.social 絵を描きます。
Contact: https://lit.link/yakoyaki
雨暈郁太 @manymanyrain.bsky.social 絵を描いてます.
DLsite : https://www.dlsite.com/maniax/circle/profile/=/maker_id/RG01027641.html
FANZA : https://www.dmm.co.jp/dc/doujin/-/list/=/article=maker/id=218132/
メロンブックス : https://www.melonbooks.co.jp/circle/index.php?circle_id=36238
伊咲ウタ コミティア154 さ59ｂ @isakiuta.bsky.social 漫画家 イラストレーター
いくたはな @iktaa222.bsky.social 漫画家/男子校の姫(comicpool)、エルフとひとつ屋根の下(ﾐｽﾃﾘｰﾎﾞﾆｰﾀ)、ﾆｾｱｲﾎﾝｱｲ（まんがタイム）、王子の最恋（なかよし）、骨に願いを、星に呪いを（百合姫）、架空軍の上官と部下（NO.9)、戦国女子高生龍と虎（竹書房）連載中。
チェリ子 @cherico.bsky.social イラストレーター
■MVイラスト「チュルリラ・チュルリラ・ダッダッダ！」「会いたくて」他■キャラデザ「VoiSona 知声」「うたごえはミルフィーユ」■プロジェクトセカイ MV・ジャケットイラスト他 ■「百合姫」2026年度表紙イラスト
ご依頼はHP内記載メールアドレスにて
https://www.cherico-cerise.net