Ph.D. 1979: University of Utrecht, Netherlands. Thesis: The development of Uvigerina in the Cretan Mio-Pliocene, Utrecht Micropaleontological Bulletins, vol. 23, 168 pp.
M.Sc. 1975: University of Utrecht, cum laude. Stratigraphy-micropaleontology, sedimentology, geochemistry, structural geology
B.Sc. 1971: University of Utrecht, cum laude. Earth Sciences (with biology and chemistry)