Health System Administration
Mack Mitchell, M.D.
Interim Executive Vice President for Health System Affairs, Vice President for Medical Affairs, and Professor, Department of Internal Medicine
Holder of the:
- Nancy S. and Jeremy L. Halbreich Professorship in Gastroenterology
Mack Mitchell, M.D., was appointed Interim Executive Vice President for Health System Affairs in September 2017. He is responsible for overseeing the UT Southwestern Medical Center clinical enterprise, including the Medical Center’s University Hospitals & Clinics as well as patient-care relationships with Parkland Health & Hospital System and Children’s Health℠ Children’s Medical Center Dallas. Since March 2016 he has served as Chief Medical Officer for the Southwestern Health Resources Physician Network and Accountable Care Network. He is Vice President for Medical Affairs at UT Southwestern where he also is a Professor of Internal Medicine. Dr. Mitchell’s clinical and research interests are in gastroenterology and liver diseases. He earned his medical degree from Johns Hopkins University School of Medicine, where he was elected to Alpha Omega Alpha, and he has been listed as one of D Magazine’s Best Doctors in Dallas. Before coming to UT Southwestern, he was the Chief of Gastroenterology and the Medical Director of Ambulatory Services at Johns Hopkins Bayview Medical Center, Chairman of Internal Medicine at Greater Baltimore Medical Center, and Chairman of Medicine at Carolinas Medical Center in Charlotte, North Carolina. He is president of ABMRF/The Foundation for Alcohol Research, and he was honored with the Seixas Award for Distinguished Service by the Research Society on Alcoholism.
Will Daniel, M.D.
Vice President and Chief Quality Officer
Holder of the:
- William T. Solomon Professorship in Clinical Quality Improvement at UT Southwestern Medical Center
Will Daniel, M.D., a leader in driving clinical improvement, quality measures, and measureable outcomes, as well as positive transformational changes, was named Vice President and Chief Quality Officer in November 2016. Most recently, Dr. Daniel was Vice President and Chief Quality Officer for Saint Luke’s Health System in Kansas City, Missouri, a 10-hospital system that has won national recognition for quality. He received his undergraduate degree from Princeton University, then earned his M.D. at UT Southwestern Medical School in 1990. After completing his residency at Washington University/Barnes Hospital in St. Louis, he returned to UT Southwestern for a cardiology fellowship. He also completed an advanced Cardiovascular Interventional Fellowship at Saint Luke’s Mid America Heart Institute. Dr. Daniel served as a Clinical Professor of Medicine at the University of Missouri in Kansas City and as the Medical Director for Quality for the Mid America Heart Institute.
Suresh Gunasekaran, MBA
Vice President for Health System Operations
As Vice President and Chief of Operations for the UT Southwestern Health System, Suresh Gunasekaran, MBA, leads the administrative and operational functions of the physician practice and shared services of the Health System including strategic planning, revenue cycle, and accountable care organization services. Mr. Gunasekaran also is Senior Executive Officer for the Population Health Services Company of Southwestern Health Resources, which ensures the Southwestern Health physician network and hospital network have the support services necessary to ensure the highest level outcomes for patients across the care continuum while simultaneously using health care resources efficiently. He previously led the information technology function of the Health System, which has been nationally recognized multiple times as "Most Wired" and most recently recognized as a HIMSS Analytics Stage 7 for both hospitals and clinics. Mr. Gunasekaran began his career in clinic and revenue cycle operations at Vanderbilt University Children’s Hospital in Nashville, TN. He holds a master’s in business administration from Southern Methodist University.
John Warner, M.D.
Vice President and Chief Executive Officer, University Hospitals and Professor, Department of Internal Medicine-Cardiology
Holder of the:
- Nancy and Jeremy Halbreich, Susan and Theodore Strauss Professorship in Cardiology
- Jim and Norma Smith Distinguished Chair for Interventional Cardiology
John Warner, M.D., was named Vice President and Chief Executive Officer, UT Southwestern University Hospitals effective February 2012. An interventional cardiologist, Dr. Warner is also the Medical Director of the Doris and Harry W. Bass, Jr. Clinical Center for Heart, Lung and Vascular Disease. He previously 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 MBA 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 and publications have centered on acute coronary syndromes, adult congenital heart disease, risk factors for coronary artery plaque rupture, and progression of atherosclerosis.
John Douglas Rutherford, M.D.
Vice President for Clinical Operations and Professor, Department of Internal Medicine
Holder of the:
- Jonsson-Rogers Chair in Cardiology
John Douglas Rutherford, M.D., serves as Vice President for Clinical Operations at UT Southwestern Medical Center and holds a Chair in Cardiology. He joined the UT Southwestern faculty as Professor of Medicine in 1993 and received the Distinguished Physician Award in recognition of outstanding individual contributions to Parkland Memorial Hospital in 1995 and the Gifted Educator Award of the American College of Cardiology in 2011. Dr. Rutherford, who earned his medical degree from the University of Otago in his native New Zealand, was the recipient of a traveling Research Fellowship from the New Zealand National Heart Foundation and was a Research Fellow in Medicine at Harvard Medical School. Dr. Rutherford was recruited to the Harvard faculty in 1978 as a cardiologist and later was appointed co-director of the Samuel A. Levine Cardiac Unit at Brigham and Women’s Hospital in Boston.
Carlos Girod, M.D.
Associate Vice President, Parkland Health & Hospital System Affairs
Holder of the:
- Ron Anderson, M.D. Professorship in Clinical Care and Education at Parkland Memorial Hospital
Carlos Girod, M.D., was named Associate Vice President, Parkland Health & Hospital System Affairs in March 2016. He is the primary liaison between Parkland and UT Southwestern Medical Center. He previously served as Vice Chair of Clinical Affairs for Parkland Health & Hospital System. A pulmonologist and highly regarded clinician, Dr. Girod graduated from the University of Pennsylvania before earning his medical degree from the University of Puerto Rico School of Medicine in San Juan. He completed his internship and residency at UT Southwestern, followed by a clinical fellowship at the University of Colorado School of Medicine, and a research fellowship at the Denver Veterans Administration Medical Center. He joined the UT Southwestern faculty in 1997.
Susan Hernandez, MBA, B.S.N., RN
Health System Chief Nurse Executive, UT Southwestern University Hospitals
A nationally respected nursing leader, Susan Hernandez, MBA, B.S.N., RN, joined UT Southwestern in 2014 as the Chief Nursing Officer. In 2015, she moved into her current role as Chief Nurse Executive. Ms. Hernandez oversees more than 3,000 nurses and nurse practitioners, who together provide care for 200,000-plus patients each year in two acute care hospitals and affiliated primary and specialty care clinics. Under her direction, UT Southwestern’s University Hospitals earned Magnet® recognition from the American Nurses Credentialing Center (ANCC) in 2016. The designation is the nation’s highest form of recognition for nursing excellence and serves as a benchmark for quality of care. Prior to joining UT Southwestern, Ms. Hernandez spent nearly 20 years in nursing and leadership positions at Vanderbilt University Medical Center. She holds bachelor’s degrees in nursing and education as well as an MBA with a focus in health care administration.
Jorge A. Marrero, M.D., M.S.
Associate Vice President, Clinical Transformation Officer, and Professor, Department of Internal Medicine
Jorge Marrero, M.D., was named Associate Vice President and Clinical Transformation Officer in September 2016. An expert in liver disease and transplantation, Dr. Marrero joined UT Southwestern in 2012 as a Professor of Internal Medicine and as Medical Director of the Liver Transplant Program, roles he continues to fill. As a researcher, he is dedicated to developing novel strategies for the early detection of primary liver cancer, Hepatocellular Carcinoma (HCC). Dr. Marrero completed his bachelor’s degree at the University of Puerto Rico and his medical degree from Ponce School of Medicine in Puerto Rico. He completed his residency in Internal Medicine at the Medical College of Pennsylvania and a fellowship in Gastroenterology and Hepatology at the University of Illinois at Chicago. He also holds a Master of Science in biostatistics from the University of Michigan and is pursuing a Master of Science in Healthcare Management from UT Dallas.
Stan Taylor, M.D.
Associate Vice President for Ambulatory Space Planning
Holder of the:
- J.B. Howell Professorship in Melanoma Education and Detection
Stan Taylor, M.D., oversees all outpatient clinics in the UT Southwestern Medical Center health system as Associate Vice President and Chief Medical Officer for Ambulatory Care. He is Director of the University’s Skin Surgery and Oncology Clinic. Dr. Taylor joined the UT Southwestern faculty in 1991 as an Assistant Professor of Dermatology and was voted outstanding teacher in the Department numerous times. He has been recognized as a leading dermatologist in local, state, and national publications, including Texas Monthly, D Magazine, and America’s Top Doctors for Cancer. Previously, Dr. Taylor taught in the Department of Dermatology at the University of Michigan Medical Center, and he was a clinical investigator at the University of Michigan Cancer Center. Dr. Taylor earned his M.D. from the University of Texas Medical Branch in Galveston.