Wes McKinney
wesmckinney.com
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
Reposted by Wes McKinney
🚀 Launching Supermetal — data replication that just works.

Sync databases to warehouses in real-time or batch — no Kafka, no JVM, no Debezium. Built in Rust & Apache Arrow.

Try it → trial.supermetal.io
Launch post → supermetal.io/blog/launch
Supermetal - High Performance Data Replication Platform
Move terabytes of data with minimal resources using our Rust-based CDC platform. Single binary, zero dependencies.
supermetal.io
November 5, 2025 at 6:50 PM
Reposted by Wes McKinney
The future of data connectivity is columnar. Today we launched
@columnar.tech to accelerate the shift from slow, row-oriented APIs like ODBC and JDBC to >10x faster alternatives powered by @arrow.apache.org. Learn more 👇
Announcing Columnar
Back to the future of data connectivity
columnar.tech
October 29, 2025 at 10:51 PM
Reposted by Wes McKinney
It was such a pleasure to join @hadley.nz, @wesmckinney.com, and @mchow.com on THE TEST SET! You can check out the two parts of our conversation here:

🍕 posit.co/thetestset/e...
🤖 posit.co/thetestset/e...
October 27, 2025 at 2:48 PM
Reposted by Wes McKinney
Our SIGMOD paper with our friends at Tsinghua + @wesmckinney.com + @pateljm.bsky.social on creating a next generation open-source data file format is out. F3 is a future-proof file format avoids the mistakes of Parquet.
📄 Paper: db.cs.cmu.edu/papers/2025/...
📁 Code: github.com/future-file-...
October 1, 2025 at 1:49 PM
Reposted by Wes McKinney
In September the @columnar.tech crew are headed to PyData Paris 2025 and the first ever Apache Arrow Summit. The organizer @quantstack.bsky.social is a dedicated supporter of @arrow.apache.org. We’re delighted to be sponsoring the event.
Welcome to our new sponsor Columnar !
August 18, 2025 at 2:30 PM
Reposted by Wes McKinney
Data science junkies, get ready! 🚀 "The Test Set" #podcast trailer is here for your viewing pleasure.

Tune in July 1st and every Tuesday after for new episodes with hosts @mchow.com, @hadley.nz, and @wesmckinney.com as they welcome thought leaders in #DataScience.

Subscribe now: pos.it/thetestset
June 18, 2025 at 4:58 PM
Reposted by Wes McKinney
🚀 Introducing **Bauplan**

A serverless, code-native platform for building data and AI pipelines — directly on your object store. No clusters. No notebooks. No GUI based workflows.

Just Python + SQL + S3.

👉 www.bauplanlabs.com/blog/hello-b...
April 16, 2025 at 2:14 PM
Reposted by Wes McKinney
1/ We just raised $17M to build the multimodal data stack for Physical AI! 🚀

Lead: pointnine.com
With: costanoa.vc, Sunflower Capital,
@seedcamp.com
Angels including: @rauchg.blue, Eric Jang, Oliver Cameron, @wesmckinney.com , Nicolas Dessaigne, Arnav Bimbhet

Thesis: rerun.io/blog/physica...
March 20, 2025 at 6:13 PM