Kim Jong Un is a North Korean politician who has been supreme leader of North Korea since 2011 and the leader of the Workers' Party of Korea (WPK) since 2012. He is the third son of Kim Jong Il, who was North Korea's second supreme leader from 1994 to 2011, and Ko Yong-hui. He is a grandson of Kim Il Sung, who was the founder and first supreme leader of North Korea from its establishment in 1948 until his death in 1994. Kim Jong Un is the first leader of North Korea to have been born in the country after its establishment.