Q:Mark Heyck -  Mark Heyck is the current mayor of Yellowknife Northwest Territories Canada since 2012.Born and raised in the Con Mine area of Yellowknife Heyck studied history and Canadian studies at McGill University then returned to Yellowknife and volunteered as Treasurer and Vice-President for Folk on the Rocks (2000-2003) and serving on the Union of Northern Workers executive from 2002 to 2005 and Website and Multimedia Coordinator at the Prince of Wales Northern Heritage Centre. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Office Holder