Professor of chemical engineering, Caltech

Technical University of Denmark

Post Doctoral Fellow, University of Blaise Pascal

Professor of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi-221005.

Professor für Technische Chemie, Leibniz University of Hannover

Professor, Gazi University, Biochemical Processing and Biomaterial Research Laboratory

Associate Professor

Tehran University of Medical Sciences

Professor, Gazi University, Department of Chemistry

Professor, School of Biotechnology, Institute of Science, Banaras Hindu University, Varanasi …