Rafael Calleja (rafferino)

Cal Hacks 4.0

Berkeley, CA, USA

The worlds largest collegiate hackathon held at UC Berkeley

$172,386 in prizes
Oct 6 – 8, 2017
719 participants

Cal Hacks 3.0

Berkeley, CA, USA

Cal Hacks - The Biggest Collegiate Hackathon in the World

$49,930 in prizes
Nov 9 – 13, 2016
717 participants