Hun Sen (; born 5 August 1952) is the 34th and current Prime Minister of Cambodia, President of the Cambodian People's Party (CPP), and Member of Parliament (MP) for Kandal. He has served as Cambodia's premier for more than 25 years, making him the longest serving head of government of Cambodia and one of the longest serving leaders in the world. From 1979 to 1986 and again from 1987 to 1990, Hun Sen served as Cambodia's foreign minister. His full honorary title is Samdech Akeak Moha Sena Padey Techo Hun Sen (; meaning "Lord Prime Minister, Supreme Military Commander Hun Sen"). Born Hun Bunal, he changed his name to Hun Sen in 1972 two years after joining the Khmer Rouge.