Dr. Kelly, a native of Monroeville, Pennsylvania, graduated from Gateway High School before completing college and medical school in Indiana. He returned to Pittsburgh for his orthopaedic surgery residency, where he served as chief resident and participated in medical education. He completed fellowship training in sports medicine and shoulder surgery at the Mississippi Sports Medicine and Orthopaedic Center and Tulane University, focusing on advanced surgical techniques for shoulder, elbow, and knee disorders.