Professor Marc van der Maarel is professor in Aquatic Biotechnology and Bioproduct-Engineering at the Engineering and Technology institute of the University of Groningen. He has a PhD from the University of Groningen in Microbial Physiology (1996). From 1995 to 1999, he was a junior university lecturer in Molecular Microbial Ecology at the University of Groningen. Then he worked for 9 years with TNO Quality of Life in the field of carbohydrate modification. From 2009 to the end of 2011 he was research manager with AVEBE, the world leader in potato starch derivatives. Van der Maarel is inventor on 10 patent applications.