Dean of Lassonde School of Engineering, York University

Professor of Environmental Technology, Universiti sains Malaysia

Department of Agriculture, University of Arkansas, 1200 North University Dr. USA

The Ohio State University

School of Chemical Engineering, College of Eng, University of Tehran

Associate Professor of Chemical Engineering, UAE University

Khalifa University

Fukuoka Institute of Technology

Mashhad University of Medical Sciences, Mashhad, Iran

postdoctoral researcher, Kashan university