Mark Spreitzer (Dem.), 45th Assembly District Born Evanston, Ill., December 16, 1986; single. Graduate Northside College Preparatory H.S. (Chicago, Ill.) 2005; B.A. political science Beloit College 2009. Full-time legislator. Former assistant director of alumni and parent relations and annual support, Beloit College. Member: United Church of Beloit (deacon’s bd.); Welty Environmental Center; Wis. League of […] Back to the full file.