Joanna Conley has been appointed chief executive officer of the 126-bed TriStar Southern Hills Medical Center effective April 1. Currently, she serves as CEO of Poinciana Medical Center, an HCA affiliate in Kissimmee, Fla.

Prior to her current role, Conley served as COO of Poinciana and associate COO at HCA's Osceola Regional Medical Center, also in Kissimmee. Conley earned her undergraduate degree in Public Health, Health Policy and Administration from the University of North Carolina at Chapel Hill and her MBA from Vanderbilt University Owen Graduate School of Management. She is a Fellow of the American College of Healthcare Executives.

Conley replaces Tom Ozburn, who was appointed CEO of Parkridge Health System, sister HCA affiliate in Chattanooga earlier this year.