Gembloux Agro-Bio Tech, ULiège

Professor of International Development Studies, Utrecht University

professeur titulaire, Université du Québec en Abitibi-Témiscamingue

Geographical Sciences, U Maryland, College Park/ University of Bern, Switzerland

SD Dombo University of Business and Integrated Development Studies

Namibia University of Science and Technology

CIRAD / International Land Coalition

Professor of Cadastre, University of Zagreb

Ruwaza Sustainable Development

Lecturer at the Department of Constitutional Law, Universitas Gadjah Mada