Dr.G.A.S. Premakumara received his School education from Royal College, Colombo & entered University of Colombo in 1983. He received his BSc in Biological Science in 1987 and his PhD in Chemical Biology from University of Colombo in 1996. He received his Post-doctoral training in Nutrition Biochemistry & Health Food Biotechnology in Japan in 2001-2002 under STA Post-doctoral Fellowship and JSPS Invitation Fellowship. He has Charter in both Biology and Chemistry.

After his PhD, he Joined the Natural Products Development Group of CISIR [Presently Industrial Technology Institute(ITI)]  in 1997 and pursued his career as a Research Scientist and became a Research Professor in this premier R&D institute. He then became the Director General of ITI and  served the institute from 2013 until 2018. In 2018 he joined the Faculty of Nursing as a Senior Lecturer attached to the Basic Sciences & Social Science Department. Dr.Premakumara had held many key positions in National committees, Ministerial Committees, Governing Boards, Professional bodies & International committees, Faculty boards, University Examination panels, Reviewing panels and contributed immensely to the academia and the R&D sector in the country. Further he had been appointed by HE the President of Sri Lanka to National Research Council and to National committee on women. Presently he holds the office of Chairman of Governing Board of CISIR [ITI] of Sri Lanka. He has 417 Research Publications & Communications to his credit.