Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Nyan Tun - Thray Sithu Nyan Tun (born 12 January 1954) is the incumbent Vice President of Burma (Myanmar) and previously the Commander in chief of the Myanmar Navy with the rank of Admiral. He was elected on 15 August 2012 to replace Tin Aung Myint Oo who had resigned for personal reasons.He graduated from the 16th intake of the Defence Services Academy and served as Commander in chief of the Navy from June 2008. He was promoted to Vice Admiral in 2010 and made an Admiral in 2012.
A:
Office Holder