Please answer the following question: Kim Il-sung (pronounced [kim ils]; born Kim Song-ju; 15 April 1912 8 July 1994) was the leader of the Democratic People's Republic of Korea commonly referred to as North Korea from its establishment in 1948 until his death in 1994. He held the posts of Prime Minister from 1948 to 1972 and President from 1972 to his death. He was also the leader of the Workers' Party of Korea from 1949 to 1994 (titled as chairman from 1949 to 1966 and as general secretary after 1966). Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Office Holder