Please answer the following question: Paul Hunter Barratt AO is a former senior Australian public servant and policymaker. He is currently Deputy Chairman of the Cooperative Research Centre for Advanced Composite Structures and Chairman of Australia 21. 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