Obtained Doctor‘s Degree of Law, the highest academic degree of laws in Germany, University of Leipzig, Federal Republic of Germany

Obtained Master's Degree of Law (Diplomjurist), Karl Marx University, German Democratic Republic

Obtained Bachelor's Degree of Law, Karl Marx University, German Democratic Republic

Advisor to the Royal Government of Cambodia with rank of Secretary of State

Ambassador, Permanent Representative
Permanent Mission of the Kingdom of Cambodia to the United Nations in New York

July 2005 - 2007

Ambassador and Deputy Permanent Representative,
Permanent Mission of the Kingdom of Cambodia to the United Nations in New York

Minister Counsellor and Deputy Chief of Mission,
Royal Embassy of Cambodia to the United States of America in Washington DC

- Chief of Staff of Senior Minister, Minister of Foreign Affairs and International Cooperation
- Inspector General of the Ministry of Foreign Affairs

Director of Legal and Consular Department,
Ministry of Foreign Affairs and International Cooperation

Deputy Director of Legal and Consular Department,
Ministry of Foreign Affairs and International Cooperation

Director of Bureau of Treaties and Legal Affairs
Ministry of Foreign Affairs and International Cooperation

Legal Advisor
Ministry of Foreign Affairs and International Cooperation

Lecturer of International Law
Faculty of Law and Economics, Phnom Penh
Royal School of Administration, Phnom Penh

Khmer

German

English and

Thai

Royal Order of the Kingdom of Cambodia - Grand Officer (2007)

Royal Order of Monisaraphon - Officer (2003)

Royal Order of Monisaraphon - Knight (2002)