Current and previous positions:

• October 2000 - present: (Senior) Lecturer-researcher Geomorphology and Quaternary Geology at Department of Physical Geography, Faculty of Geosciences, Universiteit Utrecht (NL).
• January 1997 - September 2000: Lecturer Palaeo-ecology of Sedimentary Environments at Department of Quaternary Geology and Geomorphology, Faculty of Earth Sciences, Vrije Universiteit Amsterdam (NL).
• August 1991 - October 1995: PhD research position funded by Netherlands Organisation for Scientific Research (NWO-AWON/GOA) at Vrije Universiteit Amsterdam (NL).
• January 1991 - July 1991: Project-leader Fluvial Geomorphology at State Water Department (Rijkswaterstaat RIZA), Arnhem (NL).
• September 1990 - December 1990: Free-lance advisor at Geological Survey of the Netherlands, Haarlem (NL).
• May 1986 - August 1990: student-assistant of Dr. H.J.A. Berendsen at Rijksuniversiteit Utrecht (NL).