ETH Zurich, Institute of Environmental Engineering, 8093 Zurich, Switzerland

Professor of Physical Geography, University of Utrecht

Professor Emeritus, Department of Geology, University of Delhi, Delhi, India

University of Pittsburgh

Hydrometeorology and Surface Processes, University of Lausanne, Switzerland

School of Geography, Queen Mary University of London

Universidade Federal de São Paulo - Unifesp

Professor of Geological Engineering

Senior Lecturer in Physical Geography, Birkbeck, University of London

University of Chester