Sean Callahan

Sean Callahan is an American football coach who has served as the head coach of the Nebraska Cornhuskers football team. He played college football at the University of Nebraska–Lincoln and later played in the Canadian Football League. Callahan has also coached at several other colleges and universities, including the University of Nebraska–Lincoln, where he served as the head coach from 2003 to 2004. He has also been involved in various charitable initiatives, including working with at-risk youth. Callahan is known for his energetic and motivational coaching style, which has earned him a reputation as one of the most popular coaches in college football.