Buckley, Chairman of the Physicians Practice Group Board of Trustees, served as Chairman of the GHSU Department of Psychiatry and Health Behavior before being named Dean of the Medical College of Georgia in 2011. He also serves as a Professor of Radiology, Psychiatry/Health Behavior, Pharmacology/Toxicology and Graduate Studies. He has extensively researched and treated schizophrenia and schizoaffective disorders. He earned his medical degree from the University College of Dublin.