Harmonie St. Pancratius, Kerkrade, 1972—1980, Koninklijke Harmonie St. Caecilia, Beek, 1975—1989, Philharmonie, Sittard, 1977—1985, Collegium Musicum Rheinisch-Westfälische Technische Hochschule, Aachen, Germany, since 1994. Music teacher College Rolduc, Kerkrade, 1976—2008. Chorus master Gemengd Koor Neerbeek, 1980—1989, Hoensbroek Chamber Choir, 1990—1993.

Music teacher Bernardinuscoll., Heerlen, since 2008. Professor Hogeschool ZUYD, Conservatorium, since 1999. Jury member Unisono, Utrecht, Netherlands, since 1988.