NATALI KOSSOUMNA LIBA’A is a ruralist geographer and teaches in the University of Maroua. He become associate professor from the university paul valery Montpellier 3 (France),his works are based on pastoralism, rural territories, management of natural resources, analysis of agriculture domains.

BERTHIN DJIANGOUE is a doctor /PHD in physical geography, option-planning and environment of the University of Yaoundé 1. He teaches in the geography department of the faculty of letters and human sciences of the University of Maroua. He is interested in questions concerning risks (natural, technological and societal) and adaptation to global change.
WANIE Clarkson MVO received his PhD in Geography from the University of Buea. His area of academic specialization covers Urban and Regional Planning. He is currently a Senior Lecturer in the Department of Geography, Faculty of Letters and Social Sciences, University of Maroua, Cameroon.