Mark Levine is a Democratic candidate for Congress in the 8th Congressional District in Virginia. A gay-rights lawyer and one of the founders of the Marriage Equality movement Levine served as Legislative Counsel to Congressman Barney Frank (D-MA) from 2001 to 2003. From 2003 until announcing his run for Congress in 2014 Levine was a nationally syndicated liberal talk show host and TV pundit. 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?
Office Holder