Koen Trouw received his degree as a Civil Engineer at the KU Leuven, Belgium in 1994 and will defend his doctoral work on sand transport as a result of irregular waves at the end of 2001. In 1999 he became project engineer at International Marine and Dredging Consultants (IMDC), where he is involved in morphological modelling of estuaries and coastal seas and the preparation and interpretation of measuring campaigns.