Cambridge University, 1962-1965, Bachelor of Arts (Honours), Master of Arts History. Oxford University, 1965-1968, Doctor of Philosophy History. Spoken languages: Thai, English, French.
Ambassador, Permanent Representative of Thailand, Geneva, Mission of Thailand since 1990. Ambassador to People’s Representative of China, 1986-1990, and to Democratic People's Representative of Korea, 1987-1990. Deputy Permanent Secretary, 1984-1986, Ambassador, 1983-1984, Ministry of Foreign Affairs, Thailand.
Deputy Director-General, Department of ASEAN Affairs, 1981-1983, Deputy Director-General, Department of ASEAN Affairs, 1981-1983, Director, Economic and Finance Policy Division, Department of ASEAN Affairs, 1979-1981, Ministry of Foreign Affairs, Thailand. First Secretary, Thai Embassy, Indonesia, 1976-1979.
Member: The Siam Society, Bangkok. The Historical Association of Thailand.
Spouse Phensri, National of Thailand.