I'm interested in programming languages (especially Mathematica, Smalltalk, and Lisp), cryptography, the internet and the web, tools, globalization, books, and cities.

I live in San Francisco and work at Stripe. I grew up in Ireland and previously studied math at MIT.

Email: patrick@collison.ie.

Elsewhere

pc on GitHub, patrickc on Twitter.

An interview I did with John Lilly and a podcast I recorded with Ezra Klein.