Admiral Alan William John West Baron West of Spithead GCB DSC PC (born 21 April 1948) was from June 2007 to May 2010 a Parliamentary Under-Secretary of State at the British Home Office with responsibility for security and a security advisor to Prime Minister Gordon Brown. Prior to his ministerial appointment he was First Sea Lord and Chief of the Naval Staff from 2002 to 2006. He is the current Chancellor of Southampton Solent University. 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