Professor of Geography, KU Leuven, Belgium

Dept of Earth & Environmental Sciences, Geography & Tourism Research Group, KU …

Distinguished Professor, Global Institute for Water Security, University of Saskatchewan

Consiglio Nazionale delle Ricerche

California Institute of Technology

Departament of Geography, University of Valencia

Professor of Civil and Environmental Engineering, University of Illinois Urbana-Champaign

Professor of Geography, University of California, Santa Barbara

Geography Department, University of Zurich

Professor of Geology, Arizona State University