Nederlandse Anatomen Vereniging, president

Medische Arthroscopie en Endoscopie Stichting, president

Stichting Medisch Faculteitsfonds Talma-Eykman, treasurer and secretary

Faculty Club Utrecht University, president

Medische Studenten Faculteitsvereniging Utrecht "Sams", member of supervisory and advisory board

Vereniging Chirurgie voor Medisch Studenten, member of board of recommendation

Member of editorial board of Clinical Anatomy