 Beginning in 1968 he taught new-music techniques at the Koninklijk Conservatorium (Brussels), later being appointed to teach music analysis, theory of musical form, harmony and counterpoint.In 1988 he was appointed Professor of Composition there, and simultaneously became teacher of composition at the Muziekkapel Koningin Elisabeth in Waterloo.From 1979 to 1989 he worked at Belgian Radio and Television (BRT, now VRT), first as a music producer, then as a program coordinator, becoming in 1989 director of production for the BRT Philharmonic Orchestra, and from 1993 until 1996, director of ensembles .