Willem started his first creative collaboration at the age of 10 as keyboard-player, singer songwriter, in order to set up his first digital entertainment company named 'Warp'.
In 1996 Willem became president of the Harmonicaat 'Art' foundation, and in 1999 vice-president of the Plinc 'digital entertainment' foundation. In 2000 Willem became director of Plinq, a daughter company of Plinc and Framfab.
In 2001 he was in the creative board of start-up Hyperserial International.
He has worked on several gaming projects in The Hague, Amsterdam, Hilversum and Los Angeles.