Who is Hun Sen?
Hun Sen is the Prime Minister of Cambodia and leader of the Cambodian People's Party, which has governed Cambodia since the Vietnamese-backed overthrow of the Khmer Rouge in 1979. His full honorary title is សម្តេចអគ្គមហាសេនាបតីតេជោ ហ៊ុន សែន meaning "Lord Prime Minister, Supreme Military Commander Hun Sen".
Since the restoration of what is referred to as multi-party democracy in 1993, the CPP has been in a coalition with the royalist Funcinpec party however the CPP has been the majority party following the 1997 Coup and purge against the FUNCINPEC. Hun Sen is the third longest serving leader in Southeast Asia and is one of the longest serving prime ministers in the world, having been in power through various coalitions since 1985.