Toch Kham Doeun was a left-leaning Cambodian intellectual living in Paris at the time of the 18 March 1970 coup. He rallied to King Sihanouk and after the formation of the GRUNC in May 1970 he was appointed Ambassador to Cuba but was also responsible for the GRUNC's relations with countries such as Chile and Peru. He travelled often in Latin America until 1974 when he was promoted to the post of Ambassador to the People's Republic of China. After the "liberation" of Cambodia in April 1975 he returned to Cambodia and served in the Foreign Ministry until he was arrested and executed in 1977.