Kalen DeBoer is an American football coach and former player. He is currently the offensive coordinator at Eastern Michigan University. From 2010 to 2013 he was the offensive coordinator at Southern Illinois University Carbondale. From 2005 to 2009, DeBoer served as the head coach at the University of Sioux Falls, compiling a record of 67?3. His Sioux Falls Cougars won three NAIA National Championships, in 2006, 2008, and 2009. They were runners-up in 2007. Two of DeBoer's losses at Sioux Falls came at the hands of Mike Van Diest's national title-winning Carroll Fighting Saints squads in 2005 and 2007.