Question: Keith A. Kreiman (born June 28 1954) is an American politician who served as an Iowa State Senator from the 47th District from 2003 to 2011. He received his AA from Ellsworth Community College his BA from Seattle University and his JD from the University of Iowa College of Law. 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?
Answer:
Office Holder