Career
Consul general, Vietnamese Embassy, India, 1956-1960;
minister foreign affairs, Government of Vietnam, since 1980;
alternate member Politburo, Government of Vietnam, 1982-1991;
member, Government of Vietnam, 1986-1991;
deputy prime minister, minister foreign affairs, Government of Vietnam, since 1991. Participant Geneva Peace Talks on Laos, 1962, Paris Peace Talks of Vietnam, 1973, Paris Peace Talks on Cambodia, 1989. Chairman Committee to Investigate United States War Crimes, 1966.
Member panel advisers to prime minister, since 1991. Assistant to General-Secretary of Communist Party on World Affairs, since 1991.