Q:John Groppo - John Groppo (August 14 1921 June 12 2013) was an American mason contractor businessman and politician.Born in Winsted Connecticut Groppo served in the United States Marine Corps during World War II. He was a stonemason and was the owner of Leo Groppo & Son Mason Contractors. He served as mayor of Winsted Connecticut 1965 to 1967. From 1959 to 1985 he served in the Connecticut House of Representatives as a Democrat and was majority leader. 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