1963: Chemistry Bachelor, University Leiden
1966: Physics Master, University of Amsterdam
1971: Doctorate (cum laude), University of Amsterdam
1972: Postdoc Chemistry Dept.,University of British Columbia, Vancouver, Canada
1973-1987: Group leader at FOM Institute for Atomic and Molecular Physics, Amsterdam
1978-1990: Extraordinary professor of Atomic and Molecular Physics, Free University,
Amsterdam
1987-1997: Director of FOM Institute for Plasma Physics, Nieuwegein
1995: Member of the Royal Dutch Academy of Science
1997: Sabbatical at University of California at Los Angeles, California
1998-2008: Professor of Physics and Applications of Accelerators, Eindhoven University of
Technology
2008- 2024: Director of university-owned company Accelerator Technology BV








