1968, BSc in Mathematics, Montpellier, France; 1971, MSc in Civil Engineering, Clerment-Ferrand, France; 1973, DEA in Civil Engineering, Toulouse, France. 1976-78, Director, Technical Division Department of Irrigation, Ministry of Agriculture, Irrigation and Forestry; 1978-82, General Manager, State Enterprise Number One for Irrigation, Ministry of Agriculture, Irrigation and Forestry; 1982-2005, Vice-Minister, Ministry of Agriculture and Forestry.2001-05, Vice-Chairman, Lao National Disaster Management Committee; Member, Joint Committee, Mekong River Commission, Laos; Vice-Chairman, Lao National Mekong Committee. Since 2005, current position.