Bachelor of Science, University uhuna, Matara, Sri Lanka, 1992. Master of Philosophy, University Ruhuna, Matara, Sri Lanka, 1996. Doctor of Philosophy, Saitama University, Japan, 2000.
Invited researcher Saitama University, 2000—2001, Japan Society for the Promotion of Science research fellow, since 2005. Senior lecturer University Ruhuna, 2001—2005. Board directors National Institute Fisheries and Nautical Engineering, Colombo, Sri Lanka, 2004—2005.
Resource person radio program on marine and coastal resources Ruhunu FM Broadcasting Cooperative, Sri Lanka.
Member of Institute Chemistry, Ceylon (licentiate), Sri Lanka Association Fisheries and Aquatic Resources (life), Sri Lanka Association for the Advancement of Science (life).
Married Chandrika Priyanthi Wickramanayake Karunarathna, May 13, 1996. Children: Eran Kawinda, Ravisha Kawindi.