Daniel Werfel - Daniel I. Werfel is a United States public servant who formerly served as principal deputy commissioner and deputy commissioner for services and enforcement (effectively the Acting Commissioner of the United States Internal Revenue Service although he currently lacks that title). 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