Given the question: 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 Rybkin -  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.
The answer is:
Office Holder