Master of Science, Delft (The Netherlands) University, 1981. Doctor of Philosophy, Delft (The Netherlands) University, 1986.
Research physicist Shell Research, Amsterdam, The Netherlands, 1986-1993. Director Research and Development Avery-Dennison, Leiden, The Netherlands, 1994-1997, vice president Research and Development Painesville, Ohio, 1997-1999. Professor polymer engineering University Delft, since 2000.
Married Maria De Graaff, August 15, 1980. Children: Margriet, Rik.