Mountain Societies Research Institute, University of Central Asia

Professor of Ecology, University of Kansas; Senior Scientist, Kansas Biological Survey

Full Professor in Soil & Water Conservation at University of Padova

Professor, Department of Geography, Planning and Environment, Concordia University

National Research Council (CNR) - Research Institute for Geo-Hydrological Protection (IRPI …

Research Hydrologist, US Geological Survey

Professor da UFRGS

Professor of geography, University of Paris / PRODIG

Professor do Departamento de Geografia, Universidade Federal de Minas Gerais

Lecturer, Universiti Malaysia Sabah