Zachary 'Zach' J. Cook is an American politician and a Republican member of the New Mexico House of Representatives representing District 56 since his January 16 2009 appointment by Governor of New Mexico Bill Richardson to fill the vacancy caused by the resignation of W. C. Williams. 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 to this question is:
Office Holder