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. Brian Nieves - Brian D. Nieves is a Republican member of the Missouri Senate a former majority whip in the Missouri House of Representatives. Nieves represents the 26th District which covers Franklin County Warren County and part of St.Louis County.
A:
Office Holder