Professor of Chemistry, King Saud University

Assistant professor in chemistry at kust

Professor in Aquatic Chemistry, Technical University of Crete

Professor, Department of Food Science and Technology, Shahid Beheshti University

Department of Analytical Chemistry. University of Cordoba.

Professor of Analytical Chemistry, Isfahan University of Technology

Professor, Department of Chemistry and Biochemistry, Concordia University

Professor of Chemistry, University of South Florida, USA

Professor of Analytical Chemistry, Department of Chemistry, Zabol, Iran

Professor, Dean, Faculty of Information Sciences and Humanities