He holds Masters of Science in Nursing from Vanderbilt University and received his PhD from the Institute of Government at Tennessee State University. Dr. Cull is currently an Assistant Professor in Health System Management at Vanderbilt and is the Director of Education and Dissemination in the Office of Quality and Patient Safety for Vanderbilt University Medical Center. His prior experiences at Vanderbilt include serving as Executive Director of the Community Mental Health Center, Administrative Director of the Department of Psychiatry Patient Care Center, and Director of the Center of Excellence for Children in State Custody. Dr. Cull has extensive experience with organizational evaluation and improvement in healthcare and the human services.