Joel T. Allison is CEO of Baylor Scott & White Health in Dallas. Mr. Allison was formerly CEO of Dallas-based Baylor Health Care System, which merged with Temple, Texas-based Scott & White Healthcare in October 2013. 20. Robert W. Pryor, MD, is president, COO and CMO of Baylor Scott & White Health. Dr. Pryor took on his role when the system formed from the 2013 merger of Dallas-based Baylor Health Care System and Temple, Texas-based Scott & White Healthcare. Dr. Pryor was formerly CEO of Scott & White.