PhD student Department of Experimental Psychology, Ghent University

Senior Research Fellow

Assistant Dean of Faculty of Science Department of Physics, Faculty of Science, Srinakharinwirot University

Associate Professor International Islamic University

PhD researcher Juelich Research Center- Helmholtz Association

PhD student Researcher (PhD)

Full Professor Universidade Federal do Rio Grande do Sul

Deputy Director & Professor Indian Institute of Science Education & Research, Mohali

Scientist Department of Physics, Faculty of Science, Kasetsart University

physics teacher The Ministry of Education

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

Former Professor Department of Physics, APWA Government College for Women

Research Fellow The University of Auckland

Climate Change Analyst Ministry for the Environment

Associate Professor in Chemistry Massey University

Professor University of Peradeniya

Research Scientist Australian Tropical Herbarium & National Research Collections Australia, CSIRO

Postdoctoral Research Fellow Australian Tropical Herbarium