Please answer the following question: Jose Manuel Ramos-Horta GCL AC (Portuguese pronunciation: [uz muz t]; born 26 December 1949) is the United Nations' special Representative and Head of the United Nations Integrated Peacebuilding Office in Guinea-Bissau (UNIOGBIS). He was appointed to this position on 2 January 2013. Previously he was special envoy to fellow Lusophone country Guinea-Bissau and was the President of East Timor from 20 May 2007 to 20 May 2012 the second since independence from Indonesia. 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