Q:Karunatilaka Amunugama (born 16 January 1954) is a Sri Lankan diplomat who served as Ambassador to Thailand Japan and China. He was succeeded by Ranjit Uyangoda on 16 August 2011 as Ambassador to China. He is the current Permanent Secretary to the Ministry of Investment Promotion. Prior to the appointment he was the Secretary to the Ministry of External Affairs. 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?
A:
Office Holder