Doctor of Philosophy (Urban Environmental Engineering and Management),
School of Environment, Resources and Development, Asian Institute of Technology (AIT), Thailand, 1999
Master of Science (Technology of Environmental Management),
Faculty of Environment and Resource Studies, Mahidol University, T้hailand, 1989
Bachelor of Political Science (Public Administration) (First-class Honors),
Faculty of Political Science, Thammasat University, Thailand, 1984