Bachelor in Geography, University Colombo, Sri Lanka, 1984. Master of Science in Engineering, Chiba (Japan) University, 1992. Doctor Engineering, Chiba (Japan) University, 1995.
Assistant lecturer University Colombo, Sri Lanka, 1985. Lecturer University Sri Jayewardenepura, Nugegoda, Sri Lanka, 1985-1989. Cartographer Non Company Ltd., Tokyo, 1990-1994.
Translater Chiba Prefectural Police Department, 1993-1995. Teaching assistant Chiba University, 1993-1994. Environmental engineer Weathernews Inc., Tokyo, since 1995.
Researcher University Colombo, 1983-1985. Map compiler University Colombo and Australian National University Joint Projects, 1984-1985. Committee member l km data base, Ceres, Chiba University, since 1994.
Teacher Consumer price index-Japan Chiba Branch, 1993. Committee member Sri Lanka Student Association Japan, Tokyo, 1989-1990, president, 1990-1991. Member American Association for the Advancement of Science, Japan Society Photogrammetry and Remote Sensing, Tokyo Geography Society, New York Academy of Sciences.
Married Tilani Menaka Bulathsinhala, June 16, children: Bimaya Kalmalee, Amaya Gethmini.