Q:Paul Redmond Michel (born February 3 1941 in Philadelphia Pennsylvania) was an American federal judge on the United States Court of Appeals for the Federal Circuit from 1988 until 2010 and served as its chief judge from 2004 until his retirement. 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