Doctor of Medicine, Vrije Universiteit, Amsterdam, 1991.
Staff member Dutch College of General Practitioners, Utrecht, Netherlands, 1992—2001. Researcher Center for Quality of Care Research, Nijmegen, Netherlands, since 1998. Clinical guideline expert National Federation of French Cancer Centers, Lyon, since 2003.
Guidelines program director Dutch Institute for Healthcare Improvement CBO, Utrecht, Netherlands, since 2004.
Member of Guidelines International Network (cologne).
Married Karen Heleen te Velde, March 13, 1963. Children: Femke Helena, Lotte Marije.