Q:John Lehman - John F. Lehman Jr. (born September 14 1942) is an American investment banker and writer who served as Secretary of the Navy in the Reagan administration where he promoted the creation of a 600 ship Navy. In 200304 he was a member of the 9/11 Commission.Lehman currently serves on the National Security Advisory Council for the Center for Security Policy (CSP) and on the board of trustees for the think tank Foreign Policy Research Institute (FPRI). Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Office Holder