Coordinator, United Nations World Water Assessment Programme (WWAP) Director, Programme Office on Global Water Assessment
Scientist and educator. Officer in Charge, Vice-Rector for Academic and Student Affairs and Professor of Hydrology, UNESCO-IHE; has concentrated on upscaling the impact of UNESCO-IHE programmes in education, research and capacity development to contribute effectively to sustainable management of water and environmental resources worldwide. Professor of Hydrology, Delft University of Technology. Member of several editorial and programme steering committees. Expertise: hydrological processes research and river basin management at various scales, studying the impact of global changes on water cycle dynamics in different areas in Africa and Asia.