Rop Gonggrijp

Rop Gonggrijp
Gonggrijp at the Big Brother awards
Born (1968-02-14) 14 February 1968 (age 56)
Amsterdam
NationalityDutch
Known forXS4ALL, Hack-Tic, "We Don't Trust Voting Computers"

Robbert (Rop) Valentijn Gonggrijp (born 14 February 1968) is a Dutch hacker and one of the founders of XS4ALL.