Given the question: Ivan Petrovich Rybkin (Russian: Ива́н Петро́вич Ры́бкин; born 5 January 1946) is a Russian politician; was Chairman of Russia's State Duma in 1994–96 and Secretary of the Security Council in 1996–98. 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?
The answer is:
Office Holder