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

Associate Professor in Chemistry Massey University

Associate Professor in Department of Chemistry / Deputy Director of Academic Affairs: Bioenergy and Biochemical Refinery Technology Program / Faculty Senate of TU Thammasat University

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

associate professor Federal University of São Carlos

Senior Lecturer Massey University

Postdoctoral Fellow University of Kansas, Lawrence, Kansas, USA

Head of School, School of Chemistry and Physics Queensland University of Technology (QUT)

Technical operations advisor RMIT University Melbourne Australia