Turner was most recently an offensive consultant with the Carolina Panthers of the National Football League (NFL) in 2017. He was head coach of the Florida International University (FIU) Panthers football team from 2013 to 2016. Turner served as the head football coach at San Jose State University in 1992, and the University of Illinois at Urbana–Champaign from 1997 to 2004. He also had two separate stints as the offensive coordinator for the Chicago Bears of the National Football League (NFL), the first from 1993 to 1996, and most recently from 2005 to 2009.