Home /General Program Plenary Speaker Dr. Wijarn SimachayaPresident of Thailand Environment InstituteSecretary-General of Thailand Business Council for Sustainable DevelopmentTopic: Thai Business for Biodiversity Conservation Dr. Thomas von RintelenMuseum für Naturkunde – Leibniz Institute for Evolution and Biodiversity, Center for Integrative Biodiversity Discovery, GermanyTopic: Unterstanding Southeast Asian Biodiversity – achievements and challenges Associate Professor Dr. Kantapon SuraprasitDepartment of Geology, Faculty of Science, Chulalongkorn University, ThailandTopic: Cave deposits of Peninsular Thailand: key evidence for Southeast Asian Pleistocene mammal faunas and ecosystem