Schelto Patijn [sxto ptin] (August 13 1936 July 15 2007) was a Dutch politician of the Labour Party (PvdA). He served as Queen's Commissioner in the Province of South Holland from June 16 1984 until June 1 1994 when he stepped down to become Mayor of Amsterdam he served from June 1 1994 until January 1 2001. 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