Sea Kosal, a former diplomat to the US, presented his credentials April 9 to UN Secretary-General Ban Ki-moon to become Cambodia's permanent representative to the world body.
Sea Kosal, 42, served as the Minister Counsellor and Deputy Chief of Mission for the Cambdodian Embassy in Washington from 2003 to 2005, a UN statement said.
He began his career with the Ministry of Foreign Affairs in 1993 and was also a lecturer in international law at the Faculty of Law and Economics and the Royal School of Adminstration in Phnom Penh, the statement said.
Sea Kosal earned a bachelor's of law at the Karl Marx University in 1988 and his master's in law in East Germany in 1989, the statement said.