Q:Michael D. Ryan - Michael D. Ryan (1945 January 30 2012) was an associate justice on the Arizona Supreme Court a position he had held 2002-2010. He was also a veteran of the Vietnam War.Ryan announced in June 2010 that he was stepping down from the court effective August 6 2010.He died from a heart attack on January 30 2012 at the age of 66. 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