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. Ivan Silayev - Ivan Stepanovich Silayev (Russian: ; born on 21 October 1930 in Baktyzino Nizhny Novgorod Oblast Russian SFSR Soviet Union) is a former Soviet official who became a Russian politician following the dissolution of the Soviet Union. He served as Premier of the Soviet Union through the offices of Chairman of the Interstate Economic Committee and Chairman of the Committee on the Operational Management of the Soviet economy from 6 September to 26 December 1991.
A:
Office Holder