Given the question: Douglas Howard Ginsburg (born May 25 1946) is a judge on the United States Court of Appeals for the District of Columbia Circuit. He was appointed to this court in October 1986 by President Ronald Reagan. He served as its Chief Judge from July 16 2001 until February 10 2008. 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?
The answer is:
Office Holder