- Freshman year in Business Administration, Columbia College, Columbia, Missouri, USA (Dean’s List).
- Economics at the University of Amsterdam, Amsterdam, The Netherlands. Propaedeutic exam 1988 (Cum Laude), Specializations: external organization and marketing and market research. M.Sc. 1991.
- MBA course on high tech marketing, University of Chicago, Graduate School of Business, Chicago, Illinois, USA.
- Ph.D. dissertation, Delft University of Technology, Delft, The Netherlands. Title: Launch strategies and new product performance: An empirical international study (Cum Laude).