Doctor of Philosophy, University Hawaii, Manoa, 1977.
Professor, researcher University Hawaii at Manoa, Honolulu, since 1981. Honorary guest professor Jilin University, China, 1992.
Member of World Aquaculture Society, International Association Aquaculture Economic and Management (secretary 1993-1999), International Institute Fisheries Economic and Trade, International Society Multiple Criteria Decision Making.
Married Juo Miao Leung. Children: Joy children: Shelton, Lorina.