Emeritus Professor, Department of Chemistry and Nanoscience, Ewha Womans University

Senior Professor , Indian Association for the Cultivation of Science, Kolkata, India

Professor, Chemical Engineering, Inha University

Professor of Chemistry, Assam University, Silchar, India

Faculty of Engineering and Applied Sciences

Postdoctoral Research Fellow, CRCHU de Québec-Université Laval

Dr. rer. nat., Chemistry, University of Hamburg

The Dow Chemical Company

M.Sc. Graduate, Polymer Engineering, Golestan University, Gorgan, Iran

The University of Southern Mississippi