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Hi, I’m Piotr! 👋

I am a husband to a renowned philosopher, Karolina Krzyżanowska.
I work as a software engineer at HashiCorp.
I enjoy playing awful electronic jazz music and riding a bike in my free time.
I live in Warsaw Leuven Bergen Munich Amsterdam.

Recent

Jazz icon Charlie Haden dies at 76

I am very sad to read that Charlie Haden died last Friday.1 He was one of the first jazz musicians I ever heard about, when my dad bought the now legendary “Beyond the Missouri Sky” (Verve 1997) record, and I immediately fell in love with his great bass lines and compositions.

Speed and aerodynamics

Companies selling "speed" and "aerodynamics" to dudes who only ride on the weekends, rather than selling them an experience. — John Watson (@JohnProlly) June 10, 2014 I used to laugh at people paying $7k for bicycles with handmade steel frames and all the hype that surrounded the whole NAHBS community.

Strava is helping to build better bike lanes

Wired: Current methods of counting cyclists take a ton of time or a ton of money. The DOT can videotape traffic and have someone sit at a monitor and count cyclists, or it can send someone to sit on the sidewalk and watch them go by in real time.

Hit & Run

Last Sunday night I was walking home and I got hit by a car on a zebra crossing.1 It was pretty late (around 11:30pm) and there was very little traffic.