Check out this exciting tutorial by PyMC’s @ Chris Fonnesbeck from PyData Virginia 2025 on Variational Inference, a scalable alternative to traditional MCMC methods in Bayesian modeling, trading exactness for speed while retaining the essence of Bayesian inference!

In 2025, we held PyData conferences in 11 different cities, across 5 different countries, and 1 spectacular global online event. Let’s look back at every PyData event of this past year, starting with our first one of 2025: PyData Virginia! Check out our full Virginia playlist here!

2025 was an incredible year for us! Here’s all the ways the PyData community made our year so fabulous–by the numbers! #PyDataWrapped 🧡🩵

Wow, what a week! PyData Boston, Global, and Eindhoven have all just wrapped up, concluding our 2025 events season. We could not be more thankful for our fabulous PyData community for showing up and showing OUT! 🧡💙 Thank you. We can’t wait to show you all that we have in store next year! ✨

🚀 We’re LIVE! PyData Global 2025 kicks off today at 10:30 UTC! Get ready for three full days of learning, inspiration, and global connection. 🎟️ Still not registered? There’s time! Grab your ticket: pydata.org/global2025/t...

IT’S HERE!! Welcome to PyData Boston 2025! Experience 40+ engaging, exciting, and forward-thinking talks, tutorials, and keynote sessions over three data-filled days in Boston’s thriving tech hub. We hope you all enjoy!

TOMORROW marks our official kickoff for PyData Boston 2025! THANK YOU to all our speakers, sponsors, attendees, volunteers, and everyone in between for making this all possible! We hope to put on a great show for you all 🤎

We are so happy to have the support of Anaconda, Inc., NVIDIA, Snowflake, and Posit PBC as Diamond sponsors, helping us bring PyData Boston 2025 to you. Our sponsors help make this event possible, and we couldn’t do this without them! Buy your tickets now to join us Dec. 8-10: ti.to/pydata/pydat...

Hear from Claudio Salvatore Arcidiacono on a novel approach to transform text embedding features into a format that tree-based models can effectively use at PyData Global 2025, in just THREE DAYS! pydata.org/global2025

If you've ever wondered who is in charge of Python, how it exists as a perennially free resource, and why anyone would do that, this talk is for you! This talk explores why it matters that Python is open source and available to everyone. Experience Deb’s session on Dec. 9! pydata.org/boston2025

We are excited to have the support of Bloomberg as a Platinum sponsor, furthering their support of our open-source Python community, and for helping us bring PyData Boston 2025 to you! Get your tickets here: pydata.org/boston2025

Introducing PyData Global’s next Keynote: Noor Aftab! 🩵 Noor is the Global Program Lead at Amazon Web Services. Her session highlights the gender gap in Python, with women comprising just 22% of the global AI talent pool. Hear from Noor at PyData Global 2025, Dec. 9-11! pydata.org/global2025

Join Allen Downey in using the SAT math gender gap as a case study to demonstrate modern Bayesian modeling in practice on Tuesday, Dec. 9, at PyData Boston 2025! pydata.org/boston2025

We very proudly welcome Tower, Man Group ArcticDB, and IMC as Gold sponsors for PyData Boston 2025. We are thrilled by their support of the open-source community! Buy your tickets now to join us Dec. 8-10! pydata.org/boston2025

PyData Global’s first Keynote speaker spotlight: David Aronchick! 🩵 David is the CEO and co-founder of Expanso, co-founder of Kubeflow, and previously led Open Source Machine Learning Strategy at Microsoft Azure. Check out Aronchick’s exciting Keynote on Dec. 10! pydata.org/global2025/

PyData Boston 2025’s next speaker spotlight: KEYNOTE Lisa Amini! 🤎 Leading IBM's Data & AI Platforms Research efforts globally, her Keynote session will dive into recent advances in LLMs. Check out our full schedule and experience Lisa’s session as well as dozens more! pydata.org/boston2025/

Learn about the historical context that led to the development of the JSON.jl 1.0 release and how the package leverages clean internal interfaces with Jacob Quinn at PyData Global 2025, Dec. 9-11, from anywhere on earth! pydata.org/global2025

Learn to build practical LLM agents using LlamaBot and Marimo notebooks in this hands-on tutorial with Eric Ma at PyData Boston 2025, Dec. 8-10! pydata.org/boston2025

In the race to ship AI, most teams are building workflows that look great in dashboards but fall apart under legal, regulatory, or ethical pressure. Check out Tal Sofer’s PyData Global talk for the blueprint for ML you can defend in court, and still ship on time! pydata.org/global2025

The use of open-source models is rapidly increasing. Explore the unique vulnerabilities associated with open-source models and how to address them with Natan Katz at PyData Global 2025, Dec. 9-11, from anywhere in the world! pydata.org/global2025

Explore best practices for writing CUDA kernels using Python with Dr. Katrina Riehl, Principal Technical Product Manager at NVIDIA, at PyData Boston 2025, Dec. 8-10! pydata.org/boston2025

If you're a data scientist, machine learning practitioner, or AI enthusiast, check out Hugo Bowne-Anderson’s insightful workshop on Building LLM-Powered Applications for Data Scientists and Software Engineers on our first day of PyData Global 2025, Dec. 9! pydata.org/global2025/

PyData Boston 2025’s first speaker spotlight! KEYNOTE Isabel Zimmerman specializes in data science tools, whimsical technical talks, and new open source projects. Check out our full schedule and experience Isabel’s session as well as dozens more at PyData Boston 2025! pydata.org/boston2025/

📆 The PyData Boston 2025 schedule is NOW LIVE! 45 incredible talks, tutorials, and keynotes over 3 full days of Python power. See the full program here: pydata.org/boston2025/s...

After an incredible weekend, we’ve officially wrapped up PyData Seattle 2025! 🥳❣️ THANK YOU tremendously to all of our fabulous community for making this event so wonderful! Huge shoutout as well to Bellevue College for hosting us this weekend, we loved seeing so many students and faculty! 🤎

AND WE’RE OFF! Welcome to PyData Seattle 2025! 🎉 We can’t wait for you all to code, connect, collaborate, and experience these next three days of Python magic in beautiful Seattle! 🥳

📢 PyData Seattle 2025 kicks off at Bellevue College TOMORROW! 🤩 Thank you to our sponsors, speakers, and the Bellevue College Department of Computer Science for partnering with us to host this exciting event! We can’t wait to see you all tomorrow!

Join us in Seattle for three days of tutorials, talks, and networking focused on Python, data science, and machine learning! Save when 3 or more attendees register together. Get excited & get your group tickets here! ti.to/pydata/pydat...

Get ready for an incredible opportunity to learn, connect, and grow with the open-source data science community at PyData Seattle 2025 in just THREE DAYS! pydata.org/seattle2025

Close out the year with PyData Boston! Connect with researchers, engineers, and data enthusiasts to explore the latest in open-source analytics, machine learning, and AI. Learn more: pydata.org/boston2025

Connect with our East Coast community of Pythonistas at PyData Boston 2025, Dec. 8-10, at the Microsoft NERD Center! Tickets are on sale now, and a schedule will be announced soon! pydata.org/boston2025

It’s November, which means PyData Seattle 2025 kicks off in just SIX DAYS! 🤯We’ve designed an incredible 3-day schedule of engaging and forward-thinking scientific computing talks, tutorials, and Keynotes. Get your tickets so you don’t miss out on all the fun! pydata.org/seattle2025

There’s nothing scarier than missing out on a PyData conference 😱 Get your tickets ASAP to PyData Seattle 2025, Nov. 7-9, for three engaging days of data science magic! pydata.org/seattle2025/

PyData Seattle’s second Keynote speaker: CEO/Co-founder at Eto Labs, Chang She! 🧠 We’re so excited to hear Chang She speak at PyData Seattle 2025, and hope you are too! Don’t miss out, get your tickets to PyData Seattle now! pydata.org/seattle2025

☕ In partnership with the Bellevue College Department of Computer Science, PyData Seattle 2025 will kick off in just TEN DAYS! Have you got your tickets yet? Learn everything you’ve ever wanted to know about LLMs, ML, and so much more! Get your tickets here: pydata.org/seattle2025

We received so many additional proposals for PyData Boston 2025 - THANK YOU! 🎉 PyData Boston 2025 will feature 3 days of talks, tutorials, lightning talks, Keynote sessions, and more. Connect with fellow members of the PyData community, and get your tickets now! pydata.org/boston2025

In exactly TWO WEEKS, our PyData Seattle 2025 conference will kick off at Bellevue College, Nov. 7-9! Tickets are on sale, the schedule is now live, and all we need now is our Pythonistas! Check out the exciting lineup & get your tickets here: pydata.org/seattle2025

And that’s a wrap on PyData Vermont 2025! Thank you to everyone who attended, spoke, and supported! See you next year ❤️🧡

Introducing PyData Seattle’s first Keynote speaker: Josh Starmer! 🎶 Josh Starmer is the best-selling author of The StatQuest Illustrated Guide to Machine Learning and The StatQuest Illustrated Guide to Neural Networks Get excited, and get your tickets to PyData Seattle now! pydata.org/seattle2025

At long last, PyData Vermont 2025 has officially BEGUN!! 🥳🎉🍁 We’re thrilled to bring this event back to beautiful Burlington, Vermont! Huge thank you to the University of Vermont and VERSO, all of the people on our hardworking committee, and our amazing PyData community! Enjoy your time!

We’re so excited for PyData Vermont 2025 TOMORROW, and hope you are too!! Thanks to everyone who has made this event possible so far, we appreciate the hard work of everyone involved and can’t wait to see it all come together on the 21st! See you soon! ⛰️

‼️ PyData Boston’s Extended CFP will close tomorrow! We are looking for more tutorial and talk proposals, if you are interested please submit by EOD Tuesday, October 21st.

REMINDER! If you missed out on PyData Boston’s first round of proposals, fear not! The team has EXTENDED its CFP deadline to Tuesday, Oct. 21! 🥳 pydata.org/boston2025/c... Connect with the scientific computing community in Boston’s thriving tech hub from Dec. 8-10 at PyData Boston 2025!

🌲 The PyData Seattle 2025 schedule has 50+ incredible talks, tutorials, sprints, and keynotes waiting for you! Code, connect, and collaborate with Pythonistas from all around in the Emerald City from Nov. 7-9! pydata.org/seattle2025/...

🍂 SIX DAYS until PyData Vermont 2025 at UVM, Oct. 21-22! 6 Talks, 3 Tutorials, and 1 fabulous Keynote over 2 days of Python magic. Get your tickets here: pydata.org/vermont2025

🏙️ The Pacific Northwest is gearing up for PyData Seattle 2025 early next month, Nov. 7-9, in partnership with Bellevue College! The schedule is now live, and tickets are on sale. Go check it out! pydata.org/seattle2025

🚨🚨 EXTENSION ALERT! We're extending our PyData Boston 2025 CFP until EOD Tuesday, Oct. 21! Use this extra week to perfect your submission, we can't wait to see all your fabulous data stories!

We can’t wait for PyData Vermont 2025 to kick off next week! 🍂 Make sure you get your tickets ASAP to experience two days of exciting sessions on geospatial Python, open-source AI, and more, at the 2nd annual PyData Vermont data conference, Oct. 21-22! pydata.org/vermont2025

⚓ Today is your last day to turn in your proposal to speak at PyData Boston 2025, Dec. 8-10 at the Microsoft NERD center. If you have a data story to share, let your voice be heard by submitting your materials to speak at PyData Boston NOW! pydata.org/boston2025/c...

🦞 PyData Boston 2025 is looking to fill out an exciting 3-day schedule of insightful data science discussions, and it needs YOUR help! Submit your speaker materials by the end of TOMORROW, Oct. 12! pydata.org/boston2025/c...