Dr. Hayner completed his medical training at Marshall University School of Medicine, in Huntington, West Virginia. He currently practices pulmonary and critical care medicine at TriHealth's Clifton & Kenwood locations, and is the Director of the Good Samaritan Intensive Care Unit. His current clinical focus includes treating pulmonary thromboembolic disease, promoting evidence-based principles in the management of critically ill patients. He also participates in TriHealth's teaching program for residents.