Bachelor of Science, University Jaffna, Sri Lanka, 1981. Master of Science, Bowling Green State University, 1986. Doctor of Philosophy, Johns Hopkins University, 1992.
Assistant lecturer, U. Jaffna, Thirunelvely, 1981-1982; assistant lecturer, Eastern U., Chenkalady, Sri Lanka, 1982-1984; postdoctoral fellow, Johns Hopkins Oncology Center, Baltimore, 1991-1995; research associate, Johns Hopkins Oncology Center, Baltimore, since 1995.
Member American Association Cancer Research, American Society Biochemistry and Molecular Biology, Sri Lanka Association for Advancement of Science (life).
Married Arunthathi Cumaraswamy, March 29, 1993. Children: Natasha Thivya, Aaron Gajan.