Professor of Chemistry Department of Chemistry, Faculty of Science, Chulalongkorn University

Researcher National Science and Technology Development Agency

Teaching & Research.mentoring post graduate and PHD Students Indian Instt. Of Engg. Science and Technology

Teaching and research Department of Chemistry, Trichandra Multiple College, Tribhuvan University

Postdoctoral researcher Indian Institute of Technology Madras

Professor Kaunas University of Technology

Postdoctoral Fellow University of Kansas, Lawrence, Kansas, USA

Technical operations advisor RMIT University Melbourne Australia