He is currently the Chairman of the Department of Specialty Medicine at Rocky Vista University College of Osteopathic Medicine in Parker, Colorado. Dr. Tieman and his wife, Linda, have been engaged in Animal-Assisted Interaction (AAI) work with their golden retrievers, Dillon and Darby for over six years. They began the AAI program at Medical Center of the Rockies in January, 2008, and continue to make weekly visits there. Linda recently joined the Pet Partners program at Sky Ridge Hospital, and Dr. Tieman has initiated an AAI program at Rocky Vista University for the medical students and staff.