Dr. Waller holds terminal degrees from Michigan State University and United Theological Seminary (UTS; Dayton, OH). He also teaches in the Doctor of Ministry program (sport chaplaincy) at UTS. His research interests include: religious beliefs as a constraint to sport and leisure behavior; organizational evil and sport organizations; and the professional identity and credentialing of sport chaplains. Additionally, Dr. Waller serves as an associate pastor at Foster Chapel Baptist Church in Knoxville, TN.