Division Chief, General Obstetrics and Gynecology The University of Texas Southwestern Medical Center | Dallas, Texas The University of Texas Southwestern Medical Center has retained Isaacson, Miller to assist in the search for the Division Chief, General Obstetrics and Gynecology. Ariannah Mirick and Natalie Leonhard are leading this search with Sam Ruth and Madeleine Ruth. More information to follow. APPLY NOMINATE contact Samuel Ruth