Question: Jacob Gabe Jack de Vries (born 25 July 1968) is a retired Dutch politician of the Christian Democratic Appeal (CDA). He served as State Secretary for Defence from 18 December 2007 until 14 May 2010. Prior to his resignation he served as the longtime political advisor of Prime Minister Jan Peter Balkenende. 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