Bachelor of Science in Zoology with honors, University Colombo, 1965. Doctor of Philosophy in Biochemistry, University Southampton, England, 1971.
Teaching fellow, U. Southampton, 1971-1972; science officer, National Science Council, Sri Lanka, 1972-1975; lecturer, U. Colombo, 1975-1976; lecturer, senior lecturer, U. Ibadan, Nigeria, 1976-1984; professor, head biochemistry department, North Colombo Medical College, Sri Lanka, 1984-1985; professor, head biochemistry Department, University Ruhuna, Sri Lanka, 1986-1993; visiting professor liver biochemistry, King's College School Medicine and Dentistry, London, since 1994. Visiting lecturer U. Colombo, 1985, Postgraduate Institute Medicine, Sri Lanka, 1987, member board pathology, 1986-1993.
Member Nutrition Society Sri Lanka (council member 1990), International Society for Study of Xenobiotics, Sri Lanka Association for Advancement of Science, Society for Medicinal Plant Research, French Society Ethnopharmacology, United Kingdom Association Pharmaceutical Sciences.
Married Mahadura Ranjit Thabrew, April 23, 1964. Children: Hiran, Gihan.