University of Oldenburg, Germany

Senior Lecturer, University of Tasmania

US Department of Energy, Office of Science, Biological and Environmental Research

Professor of Geography, University of Hong Kong

hoogleraar land administration, Universiteit Twente

Chief Scientist

Associate Professor of Microbial Ecology, University of Minnesota, Twin Cities

Professor of Natural Resources Management, Asian Institute of Technology, Thailand

University of Waterloo, Department of Geography

Istanbul Technical University