Domain profile · Jun–Aug 2026Status · Live

jeroenjanssens.com↗

Jeroen Janssens

#1,889,797Link-graph rank

Top 1.6%of 119.7M domains

PageRank #648,789By links pointing at it

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About

📛 I'm Jeroen (pronounced Yuh-ROON). Welcome to my site. 💻 I work at Posit, PBC as Head of Developer Relations. ✍️ Together with Thijs Nieuwdorp I wrote Python Polars: The Definitive Guide. I’m also the author of Data Science at the Command Line. 🐛 Most of my bugs are written in Python, R, JavaScript and Bash. Every now and then I dabble in C and Lua. I should learn Rust. 🇳🇱 I live in Rotterdam, the Netherlands with my wife and two kids. 🗽 My wife and I have lived in New York City for 2

Technologies

Marketing & analytics · 2Content & CMS · 1Frontend · 1

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Site details

Website	jeroenjanssens.com ↗
Site language	English
Last read	20 Sep 2026

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