Kim Jong-un (officially transcribed Kim Jong Un; Chosŏn'gŭl: 김정은; Korean pronunciation: [kim. dzɔŋ. ɯn];[a] born 8 January 1984) is a North Korean politician serving as Supreme Leader of North Korea since 2011 and Leader of the Workers' Party of Korea since 2012. Kim is the second child of Kim Jong-il (1941–2011) and Ko Yong-hui (1952–2004). The grandson of Kim Il-sung, the first leader of North Korea from 1948 to 1994, he is the first North Korean leader to have been born after the country's founding.