Answer the following question: Viktor Andriyovych Yushchenko (Ukrainian: About this sound Ві́ктор Андрі́йович Ю́щенко ; born February 23 1954) is a Ukrainian politician who was President of Ukraine from 2005 to 2010.As an informal leader of the Ukrainian opposition coalition he was one of the two main candidates in the October–November 2004 Ukrainian presidential election. Yushchenko won the presidency through a repeat runoff election between him and Prime Minister Viktor Yanukovych. 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