Famous for setting several Rubik's Cube-solving world speed records, he is also famous for inventing the Valk Last Slot Rubik's Cube algorithm.
Early in his career (in 2013), he broke the world record for speed on the 3x3x3 Rubik's cube, solving the puzzle in just over five seconds.
He launched a YouTube channel in 2008 and it has gone on to accumulate over 40,000 subscribers.
He was born and raised in the Netherlands.
He and the Australian-born Feliks Zemdegs are both world champion Rubik's Cube solvers.