・Education Background
- 1970-1982 Primary, Secondary and High School in Vientiane Capital, Lao PDR
- 1988 Master’s degree in international law, Moscow Institute of International Relations, Moscow, former USSR
- 2000 Master’s degree in public policy, Public Policy Program, National University of Singapore (predecessor of the Lee Kuan Yew School of Public Policy), Singapore

・Professional Career
- 1989 joined the Ministry of Foreign Affairs, Lao PDR
- 1991-1994 Member, Lao-Myanmar Boundary Demarcation Technical Team
- 1994-1998 Third and Second Secretary, Embassy of the Lao PDR to the Kingdom of Thailand, Bangkok
- 1998-2002 Secretary to the Minister, Ministry of Foreign Affairs, Lao PDR
- 2002-2005 Director, Political-Security Cooperation Division, ASEAN Department Ministry of Foreign Affairs, Lao PDR
- 2005-2008 Deputy Director General, ASEAN Department, Ministry of Foreign Affairs, Lao PDR
- 2008-2011 Deputy Permanent Representative of the Lao PDR to the United Nations, New York, USA
- 2011-2012 Deputy Director General, Economic Affairs Department, Ministry of Foreign Affairs, Lao PDR
- 2012-2015 Director of Trade and Investment Promotion Division, ASEAN Japan Centre, Tokyo, Japan
2015-2018 Director General, Economic Affairs Department, Ministry of Foreign Affairs, Lao PDR
Since 2019 Ambassador Extraordinary and Plenipotentiary of the Lao PDR to the Republic of the Philippines