Wes McKinney is an open-source data systems engineer and investor best known for creating the Python pandas library. Wes McKinney's Twitter Score is 27 out of 1000 as of October 2026, ranking #36,906 (top 10%) among 493,668 tracked accounts.
Wes McKinney founded Kenn Software and founded Composed Ventures, a small investment fund focused on data infrastructure, machine learning, and AI companies, where he serves as General Partner. He works at Posit PBC as Principal Architect and is a co-creator of Apache Arrow, which remains a central part of his open-source work. He is also a member of the Apache Software Foundation and serves on the Project Management Committee for Apache Parquet.
Wes McKinney co-founded Voltron Data and previously co-founded DataPad and Lambda Foundry. He also founded Ursa Labs. Earlier in his career, he previously worked at Cloudera and previously worked at Two Sigma. Wes McKinney's account has accumulated 59,193 followers as of October 2026 and has published 8,570 posts. He has been mentioned by 42 accounts, with 75 total mentions.
Who follows Wes McKinney on X?
The accounts that follow Wes McKinney include 138 founders, 31 angel investors, 14 influencers and 3 VCs. Among them are Balaji, Marc Andreessen, Tarun Chitra, Banteg, Sriram Krishnan and Meow.