Zak Adam Kustok (born February 24, 1979) is an American businessman who was starting quarterback for the Northwestern Wildcats from 1999 to 2001. He originally matriculated at Notre Dame, but suffered from a change in the offensive game plan when Bob Davie replaced Lou Holtz, who had recruited him. Early in his second season in 1998 he left the program and joined Northwestern after its fifth game in 1999. Despite playing only two and a half seasons for Northwestern, he is the current Northwestern recordholder for many quarterback rushing and passing statistics, including single season and career rushing touchdowns, career rushing yardage, career and single-season consecutive games with a touchdown pass and career consecutive pass attempts without an interception. He was a 2001 Johnny Unita