Department of Chemical Engineering, University of Malaya

Department of Chemistry, Jamia Millia Islamia Central University, New Delhi India

Professor of Chemistry

Professor of Chemistry, Iowa State University

Professor, Gazi University, Department of Chemistry

Department of Chemical Enginering, Indian Institute of Technology Guwahati

University of Tasmania, Ateneo de Manila Philippines (adjunct)

Professor of Analytical Chemistry, University of Pécs

Nanyang Technological University

Professor of Chemistry, Drexel University