Senior Principal Scientist & Professor

Professor of Chemistry, Education University, Hue University

Research professor, department of chemistry, korea university

Department of Chemistry, Banaras Hindu University, Varanasi

Stony Brook University

Portland Community College; Portland State University; LSU; The University of Iowa

Department of Chemistry, Indian Institute of Technology Ropar, Punjab India

Postdoctoral Fellow, Jadavpur University, Jadavpur

Toho University

National Postdoctoral Fellow