Please answer the following question: Leo Housakos (born Leonidas Housakos on January 10 1968) is a Canadian politician of Greek descent and a Conservative member of the Canadian Senate.An avid student of the Canadian political system Montreal-born Leo Housakos has been actively involved in Canada’s political and business sectors for over twenty-five years.Mr. Housakos was appointed to the Canadian Senate by Prime Minister Stephen Harper on December 22 2008.Mr. 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