since 2019 :Member of the Editorial Board of the Journal of the Faculty of Letters and Human Sciences, InteraXXIons Since 1994 :Lecturer in the Department of Geography, Faculty of Letters and Human Sciences, Saint-Joseph University of Beirut (Lebanon) Teaching and Research Head of the Cartography Laboratory in CREEMO (Centre de Recherche en Environnement Espace Méditerranée Orientale) From 1991 to 1993 : Assistant Study Officer in ADEUS (Agence de Développement et d’Urbanisme de l’Agglomération Strasbourgeoise) (Bas-Rhin, France) From 1990 to 1991 : Assistant Study Officer au SDAU (Service Départemental d’Aménagement et d’Urbanisme) (Conseil Général du Bas-Rhin, France)