He is a team physician for the University of Missouri baseball team. He has served as a team physician for United States National Soccer teams on international trips. He is board certified in family medicine and has a Certificate of Added Qualifications in primary care sports medicine. He specializes in pediatric and adult sports medicine and non-operative treatment of musculoskeletal injuries. His specific areas of interest include stress fractures, overuse injuries, pitching injuries and concussions. A graduate of the University of Tennessee Health Science Center-College of Medicine, Dr. Gray completed his residency at the University of Missouri and a sports medicine fellowship at University of California, Los Angeles.