Dr. Mohamed Sami Ben Ali is a professor of Economics at Qatar University. Previously, he was Head of the economics department and member of the scientific board at HEC Business School, Tunisia. Dr. Ben Ali is serving as associate editor for Springer and De Gruyter journals and editor for Palgrave and Springer books series. He holds a H.D.R degree, the highest European qualification for research. Previously, he received a Ph. D. in Economics with high honors from University of Lille - France, an M. Phil. (D.E.A) in International Finance and International Trade and a B.A. in Business Economics. He has been teaching for the past years at graduate and undergraduate levels in Tunisia, Qatar and France where he was a visiting Professor. He has published numerous articles in French and in English in international refereed academic journals. His research and Publications focuses mainly on economic development and international monetary macroeconomics. He is actively participating and chairingin numerous international conferences.