- Diploma of Journalism
- Ecole Supérieure de Journalisme de Paris
- Centre de Formation des Journalistes de Paris
- Indian Institute of Mass-Communication
- 2017-Present: Ambassador of Lao PDR to France, Permanent Representative of Lao PDR to UNESCO and Personal Representative of the President of Lao PDR to the Organisation of Francophonie.
- 2014-2017: Director General of the Institute of Foreign Affairs and Member of the ASEAN Level High Level Task Force to review ASEAN Bodies and the ASEAN Secretariat.
- 2009-2013: Ambassador Permanent Representative of Lao PDR to UNOG and Ambassador of Lao PDR to Switzerland, Greece, Turkey, Italy, Malta, Cyprus.
- 2003-2009: Director General of Press Department and Spokesman Of MOFA.
- 2002-2003: Deputy General Director of ASEAN Department (MOFA)
- 2009-2014: Associate Professor, Diplomatic Academy of Viet Nam, Ministry of Foreign Affairs.
- 1998-2002: Senior Officer, FCB, ASEAN Secretariat.
- 1992-1997: Deputy Director General of the Lao News Agency.
- 1982-1995: Chief of International Relations
- 1987-1990: Deputy Editor-in-Chief of Foreign languages News
- 1980-1987: Sub-Editor in English News
- 1977-1979: Sub-Editor in the World News at the Lao News Agency