He received a PhD in Management in 2004 and a master in Operations research in 1999 from the University of Tunis, Tunisia. His research interests include stochastic programming, multiple objective stochastic programming, supply chain management, financial engineering, vehicle routing problems. His research has been published in several international journals (EJOR, FSS, IJAR …) and funded by the University of Tunis, the University of Nizwa and the University of Bahrain. Dr. Hatem is member of the International Society on Multiple Criteria Decision Making, IEEE, INFORMS, Tunisian Decision Aid Society and Tunisian Management Sciences Society.