Director of the UN World Water Assessment Programme (Perugia, Italy), UNESCO; previously Vice-Rector and Officer-in-Charge (UNESCO-IHE, Delft, Netherlands) and Professor of Hydrology (Delft University of Technology and UNESCO-IHE).
Member of several editorial and international programme steering committees.
Expertise: water assessment at local/regional/global scale; science-policy interface (making scientific findings effective for society, co-development and co-design); impact of climate change and other global changes (i.e. Africa, Asia and Europe), dynamics of hydrological processes and river basin management.