President, Akita International University
|1947||Born in Colombo, Democratic Socialist Republic of Sri Lanka|
|1970||B.Sc. Built Environment, Faculty of Natural Sciences, University of Sri Lanka, Colombo|
|1974-1981||Research Fellow and Coordinator, Group Asia 80 Program, Japan Center for Area Development Research|
|1976||M.Eng. (Urban Engineering), Graduate School of Engineering, The University of Tokyo|
|1976-1977||Lecturer and Secretary of the Committee for Graduate School Establishment, University Sains Malaysia|
|1980-1984||Architect at Design Management Division, Design Department, Mitsui Construction Ltd.|
|1982||Withdrawal from the Doctoral Program with the Completion of Course Requirements of Urban Engineering, Graduate School of Engineering, The University of Tokyo|
|1985-1994||Senior Research Fellow (U.N. Expert) and Program Coordinator, United Nations Center for Regional Development|
|1994-2018||Professor, Ritsumeikan University|
|2004-2009||President, Ritsumeikan Asia Pacific University|
|2004-2012||Vice Chancellor, Ritsumeikan Trust|
|2013-2014||Special Aide to the Chancellor, Ritsumeikan Trust|
|2014-2017||Member, Board of Councilors, Ritsumeikan Trust|
|2014-2021||Executive Trustee, Akita International University|
|2015-2018||Assistant Trustee, Ritsumeikan Trust|
|2018-2021||President, Trustee and Professor, Shizenkan University|
|2018-2023||Senior Advisor, Ritsumeikan Trust|
|2021-present||President (Chair of the Board), Akita International University|
- Concepts of Sustainability (Chapter 2: An introduction to sustainability science, (Horitsu Bunka Sha, 2013)). He has also given many lectures at the Sri Lanka Association for the Advancement of Science（SLAAS）and universities in Japan and abroad and more.
- In 2016, he was awarded the Order of the Sacred Treasure [Gold Rays with Neck Ribbon] from the Government of Japan for his contribution to the promotion of private education in Japan and his continuous efforts to promote mutual understanding between Sri Lanka and Japan.
- In 2017 he received a National Honours Lifetime Award (Vidya Nidhi) for Contributions to science and technology by the Government of Sri Lanka.