凯山·丰威汉
He was the military commander of the Pathet Lao rebellion. On its takeover of the Laotian government in 1975 he became minister of defence, commander of the army, and a deputy prime minister. On the creation of a presidential republic in 1991, he became prime minister, succeeding party leader Kaysone Phomvihane, who became president. Siphandone became party leader on Kaysone's death, and succeeded Nouhak Phoumsavanh as president in 1998. At the 8th Party Congress in 2006, he became an Advisor to the LPRP Central Committee.