Ambassador Ek previously served as senator of the Kingdom of Cambodia (2004), ambassador to the Philippines (1999-2003), a member of Parliament for the Takeo Province constituency (1998-99), and secretary of state (vice minister) at the Ministry of National Defense (1993-98). In 1993, he also served as vice minister of information in the provisional government of Cambodia and a member of Parliament for the Phnom Penh constituency. In addition, he has held posts as deputy director (1985-91) and director of information for Funcipec (1991-93), editor of the Cambodia Center newsletter in Paris (1983-85), and a journalist with Le Figaro in Paris (1978-80).

Ambassador Ek holds a master’s degree in political science from the Institute of Political Studies Diplomatic Section in Paris and is married with two children.