 DeBoer served as the head football coach at the University of Sioux Falls from 2005 to 2009.Born and raised in Milbank, South Dakota, DeBoer graduated from Milbank High School.Attending the University of Sioux Falls, DeBoer played at wide receiver from 1993 to 1996 for the Sioux Falls Cougars under head coach Bob Young, setting school records for receptions (234), receiving yardage (3,400) and touchdown catches (33) and earned All-American honors.