Coder into Python and Rust. Interested in all things software engineering, data science, and computer graphics.
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.
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
Python, Boston, mathy fun, juggling, autism parenting. https://nedbat.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.
🐍 PSF chair & fellow.
🎁 conda and friends at Anaconda.
📦 PyPA & 🎷Jazzband founder.
🕸️ mozilla data, ✍️MDN & 🎻 Django alum.
🚲 Mobilitätswende jetzt!
He/him
Co-founder & CEO of Gel • Python core developer • PSF fellow • async/await • asyncio • uvloop • asyncpg ••• @geldata.com • github.com/1st1
graduate student studying visualization (CS) @thegraduatecenter.bsky.social & @matplotlib.org community manager
Building AI climate models at Google. I also contribute to the scientific Python ecosystem, including Xarray, NumPy and JAX.
Opinions are my own, not my employer's.
💥 Founder & CEO @explosion.ai
👩💻 Developing spacy.io & prodi.gy
🐍 Python Software Foundation Fellow
⚡ Hacking @feministai.party
🧠 AI, Machine Learning & NLP
💼 linkedin.com/in/inesmontani
🐘 sigmoid.social/@ines
💥 explosion.ai
🌎 ines.io
✨ Keep it simple, make it scale. AI should be about empowering users and building understanding. 👩💻 AI Developer Experience @ Google DeepMind, ex-Github, ex-Google
👋 Principal Data Scientist, R&D at Schwab. 🐍 PyData Ann Arbor co-organizer. 🔥Creator of the STUMPY Python package for modern time series analysis:
👉 https://stumpy.readthedocs.io/en/latest/
Dataframes powered by a multithreaded, vectorized query engine, written in Rust.
Host of Real Python Podcast - Guitars, Dogs, Photography, Movies, Creativity - Python Software Foundation Fellow
Online #Python Training & Expert Community: Tutorials, Video Courses, Books, Quizzes...and More! Join 1M+ Pythonistas at http://realpython.com
SciPy 2026 Conference for Scientific and Technical Computing topics in Python. Tutorials July 13-14, Conference July 15-17, Sprints July 18-19.
Machine learning in Python • Open Source
https://scikit-learn.org
Co-founder @pybites.bsky.social. Python developer & coach helping devs level up with project-based learning & modern Python. Start here → https://pybit.es
Developing ML methods for Drug Discovery @ Novartis 🧬💻 | prev: PhD student @ University of Edinburgh with Toni Mey
📊 Data, AI/ML, and Cloud consultant @ Stratis Data Labs
🚉 VPEng @ Sequel Institute
🤓 Startup advisor
✒️ Writing about MCP
🐍 Python
☁️ AWS
🧙♂️ Elixir
🐷Ham radio
🇺🇸↔🇬🇷 [Boston // Athens]
Mostly tech things here
Metaprogramming • Python / Zig / DevTools guy
Developing PyO3 to bring Rust 🦀 and Python 🐍 together.
Working with the team at Pydantic to build software that developers love.
Software developer, tinkerer, enthusiast. Currently slinging bits at Stripe.
For my media reviews, see: @david.reviews.
Blog & more: https://xavd.id
Data generalist, educator, author of The Well-Grounded Data Analyst (Manning, 2025). Co-host of the Half Stack Data Science podcast.
Applied AI Scientist at Nixtla. Author of Time Series Forecasting in Python. I write hands-on articles and develop courses mostly around forecasting and data science in general.
Former professor at Olin College, principal data scientist at PyMC Labs, author of Think Python, and Probably Overthinking It -- blog and book -- and stark raving Bayesian.
Teaching materials for the cusy training courses on a Python-based data science workflow: https://cusy.io/en/seminars
Constantly looking for simple ways to explain complex things…
Here you'll find:
• Python
• Narrative Technical Writing
• Track & Field Athletics
Links in the pinned post below
stephengruppetta.com
Put data & AI into action by creating scalable, interactive data apps for your business with Plotly. https://plotly.com/
Write code. Mostly Python.
Helping you become more confident with Python and Pandas since 1995.
• Courses: LernerPython.com
• Newsletters: BetterDevelopersWeekly.com • BambooWeekly.com
• Books: PythonWorkout.com • PandasWorkout.com
• Videos: YouTube.com/reuvenlerner
Senior Principal Data Scientist, Moderna. Trying to follow Jesus.
Research Fellow at Aalto University. Open source contributor #ArviZ, #Bambi, #Kulprit, #PreliZ, #PyMC, #PyMC-BART.
Support me at https://ko-fi.com/aloctavodia
https://bayes.club/@aloctavodia
Probabilistic Programming and Bayesian Modeling in Python
Prefer common sense over hype. Employed at @marimo.io, building calmcode.io and dearme.email. Also blogs over at https://koaning.io.
A Mathematician dabbling in Data Science, especially unsupervised learning and data exploration. UMAP, HDBSCAN, PyNNDescent, DataMapPlot. (He/Him)
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
I like databases and boats. Co-creator of @duckdb.org, Co-Founder and CEO DuckDB Labs.
AI x storytelling
AI Engineering: https://amazon.com/dp/1098166302
Designing ML Systems: http://amazon.com/dp/1098107969
@chipro
ML/AI researcher & former stats professor turned LLM research engineer. Author of "Build a Large Language Model From Scratch" (https://amzn.to/4fqvn0D) & reasoning (https://mng.bz/Nwr7).
Also blogging about AI research at magazine.sebastianraschka.com.
Anthropologist - Bayesian modeling - science reform - cat and cooking content too - Director @ MPI for evolutionary anthropology https://www.eva.mpg.de/ecology/staff/richard-mcelreath/
he/him. Probably trying to make refined sand do something useful.
Wearer of many hats in OSS spaces: CPython, pip, packaging, TOML, Furo, Sphinx extensions, Executable Books and more.
Senior Software Engineer at Quansight Labs
Pretty focused on Narwhals and Polars these days, generally interested in dataframes and time series
Multi-language interactive computing environments. Jupyter Notebook, JupyterLab and related projects – @mentions not monitored. Open issues on GitHub.
ML Engineer & Open Source Maintainer
Postdoc at UW NLP 🏔️. #NLProc, computational social science, cultural analytics, responsible AI. she/her. Previously at Berkeley, Ai2, MSR, Stanford. Incoming assistant prof at Wisconsin CS. lucy3.github.io
Invested in development and maintenance of Open Source | Science | Data.
mriduls.com
Independent Software Consultant
🐍 Pythonsita, Backend, Dev/Data Ops Engineer
Can't fit in a box 📦
Running thelearning.dev community
More about me at bhavaniravi.com
programming and exclamation marks
blog: jvns.ca
zines: wizardzines.com
Own Your Data Science
https://probabl.ai
Cofounded and lead PyTorch at Meta. Also dabble in robotics at NYU.
AI is delicious when it is accessible and open-source.
http://soumith.ch
Academy Professor in computational Bayesian modeling at Aalto University, Finland. Bayesian Data Analysis 3rd ed, Regression and Other Stories, and Active Statistics co-author. #mcmc_stan and #arviz developer.
Web page https://users.aalto.fi/~ave/
🐍 OSS @ NVIDIA
Proud Minnesotan. Jewish. Dad. He/Him.
Technical Directory at QuantStack, Project Jupyter Core Developer & Distinguished Contributor - he / him - https://github.com/jtpio - jtp.io
AI for Science, deep generative models, inverse problems. Professor of AI and deep learning @universitedeliege.bsky.social. Previously @CERN, @nyuniversity. https://glouppe.github.io
Executive Director of @2i2c.org
🪐 Jupyter Project distinguished contributor
👬 mybinder.org and hub.jupyter.org team
📚 jupyterbook.org mystmd.org and executablebooks.org
open communities 🙌
open infrastructure 💻
open science 🧪
Runner, biker, hiker. Software engineer @DeepMind, and open source enthusiast. Sometimes crafts things out of wood. he/his.
Senior Software engineer @Bloomberg (from 🇭🇺🇷🇴🇬🇧), living in Los Angeles 🇺🇸 @ThePsf fellow. Maintainer of many - http://bernat.tech/about (tox, virtualenv,...) Python packages. Opinions my own.
ML engineer & Founder at Symerio.
Previously core developer Pyodide, scikit-learn.
🇺🇦
DuckDB is an analytical in-process SQL database management system. "DuckDB" and the DuckDB logo are registered trademarks of the DuckDB Foundation.
Looker Founder, makes things with bits.
Trying to make a better SQL with Malloy
The AI community building the future!
Pythonista 🐍 Data Scientist 💻 @AIClubGenderMin @HumbleData👩🏻💻 Back from the other side of the Channel 🇫🇷🇬🇧 Maths • Cooking • Sport & Outdoors- She/Her
Software engineer at probabl, scikit-learn contributor.
Also at:
https://sigmoid.social/@ogrisel
https://github.com/ogrisel
you know what I blame this on the breakdown of? society
👶 From when Mosaic took over Gopher
🏢 VP of Engineering @cloudflare.social
🕹️ Slightly addicted to retrocomputing
I share non-hype ML & AI with 8+ years XP
🌦 Machine Learning at ECMWF
💾 Fellow at SSI
You miss 99% of benchmarks you don't overfit on!
🏳️🌈 they
Founding list[float] engineer. Recsys. Personalization. Infra. Systems. Normcore code. Nutella. Vectors. Words. Vibes. Bad puns (soon).
https://vickiboykis.com/what_are_embeddings/
EuroRust is the conference for the European Rust community. We cover all things Rust. Presented by @mainmatter.com. October 14-17 2026, Barcelona & Online.
October 14-17 2026, Barcelona & Online
Building Astral: Ruff, uv, and other high-performance Python tools, written in Rust.
Rust dev, Electronics engineer, Author, RustNL, RustWeek organizer, ADHD, Polyamorous, Lesbian, She/Her
Author of zero2prod.com, a book on backend development in Rust, and https://rust-exercises.com.
Building pavex.dev, a new Rust web framework.
Principal Engineer at Mainmatter. Opinions are my own. He/him.
@algo_luca on Twitter.
official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app
