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. Oleksandr Turchynov - Oleksandr Valentynovych Turchynov (Ukrainian: ; born 31 March 1964) is a Ukrainian politician screenwriter and economist. Turchynov is the current Chairman of the Ukrainian Parliament and acting President of Ukraine after Viktor Yanukovych was removed from power by the parliament on 21 February 2014. Vladimir Putin President of the Russian Federation does not regard him as the legitimate Ukrainian President.
The answer to this question is:
Office Holder