Mohammed El Amine Abdelli is a Visiting Researcher at University of Salamanca, Spain and Member of Laboratory LEGO, University of Brest, France.

Nawal Chemma is an Associate Professor at the University of Relizane, Algeria.

Soudani Ahlem is a Professor of Economics, Business and Management at the University of Guelma, Algeria.

Samir B. Maliki is currently Visiting Professor at the Univeristy of Brest in France and a Professor of Economics and Business at the University of Tlemcen, Algeria.

Gurmeet Singh is currently working as Professor and Head in School of Business & Management at the University of the South Pacific in Fiji.