Roland Eng served as Cambodian Ambassador to the United States from 1999–2004. Prior to his posting in Washington, Ambassador Eng resided in Bangkok from 1994–1999. During that time, he re-established Cambodia’s diplomatic relations with Malaysia, Singapore, and Thailand.

Ambassador Eng’s career in public service has taken place amid some of the most turbulent times in the country’s history. In 1979, he served as Private Secretary to His Majesty Norodom Sihanouk, King of Cambodia. He enlisted the non-communist resistance from 1981–1990, operating primarily along the Thai-Cambodia border. Eng also participated actively in the Paris Peace Agreement which established the United Nations Operation in Cambodia in 1992 and was appointed Ambassador of the Supreme National Council of Cambodia to the United Nations in New York. With a return of democracy in Cambodia, he ran for election and served as a Member of Parliament and concurrently became the first member of Tourism of Cambodia in 1993.

Eng graduated from the University of Law and Political Science with a degree in public administration from Aix en Provence, France. He is actively involved in various foundations and NGOs, including Sobbhana Women Foundation and Global Fairness, and he is president of the Angkor Photo Festival and vice-president of Friends of Khmer Culture Inc (FOKCI). Eng is currently advisor to the Cambodian government and Ambassador at Large.