Mathias was born in 1970 in Ardooie. He went to the Conservatory in Brussels to get professional actor's training. For the moment, he lives in Ghent, he is married and has 2 kids. Most people know him from the series _"Buiten de Zone" (1995)_ , in which he played Ubi Stevens. Besides playing in series like "Diamant" and "W817" he has made guest appearances in almost every Flemish quality television series: Flikken and Recht op recht among others. His breakthrough in the Flemish movie world came with the movie Ad Fundum (1993), later followed films like Iedereen Beroemd (2000), Team Spirit (2000) and Team Spirit II. He has also written a film scenario himself, called 6. Lately he has mostly been active in the world of theatre. Mostly as an actor, but also as a writer and a director.