University Distinguished Professor, University of Saskatchewan

R2Water Research and Consultancy, Vrije University of Amsterdam, University of Twente

International Food Policy Research Institute

Professor of Agricultural Economics, University of Kentucky

Professor of Agricultural and Applied Economics

Professor, College of Business, Law and Governance, James Cook University

Professor of Agricultural Economics, SIUC

Department of Agribusiness FEM IPB University

Faculty of Economic Sciences and Management of Tunis, University of Tunis El Manar …

Professor and Blasingame Chair of Excellence, University of Tennessee