He is the former athletic director at the University of Texas at El Paso (UTEP), a position he held from 1998 to 2017.
A native of Davenport, Iowa, Stull was a three-year letterman at Kansas State University, where he earned bachelor's and master's degrees.
Stull didn't fare as well at the University of Missouri, compiling a 15–38–2 record in five seasons.
After his coaching career, Stull was director of the Girls and Boys Clubs of Seattle before entering administration at the University of Washington.
On August 31, 2017, Stull announced his retirement as UTEP's athletic director after 19 years at the helm.