Dr.Thongchai is a veteran educator who has dedicated his career to promoting STEM education. He began teaching high school chemistry and mathematics in 1964 and joined the Institute for the Promotion of Teaching Science and Technology (IPST) in 1972, where he later served as director from 1997 to 2001. Over the years, he has been invited by numerous organizations, including UNESCO, ADB, and the World Bank, to serve as a consultant and resource person for science education projects in countries such as Cambodia, Indonesia, and Nepal.
