Career
He was the head football coach at Charleston Southern University, a position held for ten seasons. He retired from coaching on January 3, 2013 to pursue a new career path in athletic administration. Mills served as the head football coach at University of Minnesota Morris from 1993 to 1995.
Mills played football at the Western Washington University before graduating in 1984.
Before arriving at Charleston Southern University, Mills was offensive coordinator for seven seasons at Harvard University. He also had served as head coach at the University of Minnesota Morris, where he posted a 3–22 record as he helped the school transition from the National Association of Intercollegiate Athletics to National Collegiate Athletic Association Division World War II