Brown University

Professor of Applied Mathematics, Amirkabir University of Technology, Tehran, Iran

Professor at TU Graz, Austria

Department of Mathematics, Oregon State University

Professor of Mathematics, University of Nebraska at Omaha

Professor, Pamukkale University

Universidad Nacional Autonoma de Mexico, Facultad de Ciencias

Professor of Applied Mathematics, KN Toosi University of Technology

retired from Universita' Ca' Foscari Venezia

Professor of Computational Mathematics, University of Mauritius