Please answer the following question: Steve Mitchell is the City Councilman for Place 6 in Richardson Texas. Mitchell has served as the representative for Place 6 since May 2005. In addition Mitchell served as Mayor of Richardson from May 2007 to May 2009 when he replaced long-serving Mayor Gary Slagel who in turn replaced Mitchell as Mayor in May 2009. 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?
Answer:
Office Holder