University of Technology and Applied Sciences, Oman & Alexandria University

Prince Mohammad Bin Fahd University, Al Khobar, 31952, Saudi Arabia

Research Scientist, CASD, Memorial University of Newfoundland

Professor in Mineral Processing, Amirkabir University of Technology

Newcastle Institute of Energy Research (NIER)

University of California, Santa Barbara

Professor, University of Ottawa

University of Toronto

Department of Civil Engineering, Gasar Ben-Gasher Higher Institute, Tripoli, Libya