Master; Doctor of Philosophy, Leiden University, The Netherlands.
Assistant professor Maastricht University, The Netherlands, 1983-1992, associate professor The Netherlands, 1992-1999, professor The Netherlands, since 1999.
Member Dutch Society Clinical Physics (secretary 1985-1989), Dutch Vestibular Society (chairman 1985-1993), International Society Posture and Gait (secretary since 1997), International Working Group Vertigo and Balance Disorders (chairman since 1997), Barany Society.
Married Hilde van Schaeren, January 6, 1989. Children: Boris, Sanne, Bouke.