Thamasak Yeemin has worked at Marine Biodiversity Research Group, Faculty of Science, Ramkhamhaeng University, in Bangkok since 1992. His educational background includes a D.Sc. in Biology from Kyushu University and a diploma in Environmental Management from the Netherlands International Institute for Management. He has studied ecology, biology, environmental science and socio-economics of coastal ecosystem management and marine protected areas. He has experience in many aspects of coastal and marine ecosystems, based on 30 years of fieldwork in Thailand and other parts of the Western Pacific. He has provided expertise to several management agencies from local to international organizations, to design and implement management plans for coastal resources and the environment. He has also worked as a consultant for some regional collaborative projects under international organizations, such as the IMO, UNEP, ASEAN Center for Biodiversity, etc. He is currently a president of the Marine Science Association of Thailand (MSAT).