John Warner, M.D., has served as Chief Executive Officer, UT Southwestern University Hospitals since February 2012. An interventional cardiologist, Dr. Warner was previously the Medical Director of the Doris and Harry W. Bass, Jr. Clinical Center for Heart, Lung and Vascular Disease and later served as Assistant Vice President for Hospital Planning, where he was instrumental in the design and planning of UT Southwestern’s new 460-bed William P. Clements Jr. University Hospital. Dr. Warner received his medical degree from Vanderbilt University and his M.B.A. from the Physician Executive Program at the University of Tennessee. He completed residency training in internal medicine at UT Southwestern, where he served as Chief Resident, and fellowship training in cardiovascular disease and interventional cardiology at Duke University Medical Center. Dr. Warner returned to UT Southwestern in 2003. His research interests have centered on acute coronary syndromes, adult congenital heart disease, risk factors for coronary artery plaque rupture, and progression of atherosclerosis.


Medical School
Vanderbilt University School of Medicine (1992)
UT Southwestern Medical Center (1993), Internal Medicine
UT Southwestern Medical Center (1996), Internal Medicine
Duke University Medical Center (2000), Cardiology

Research Interest

  • Adult Congenital Heart Disease
  • Advanced cardiac imaging
  • Coronary angioplasty and stenting
  • Hypertrophic Cardiomyopathy

Honors & Awards

  • Guidant Interventional Cardiology Fellow
  • Walter l. Floyd Endowed Cardiology Fellowship
    Outstanding Cardiology Fellow, Duke University (1999)
  • Roy Willingham Health Professions Award
    Outstanding Pre-med Student, Abilene Christian University (1987)

Professional Associations/Affiliations

  • American Heart Association
  • Fellow, American College of Cardiology