Professional Staff
   Professional Staff Directory

The Texas Heart Institute Professional Staff consists of more than 170 cardiovascular surgeons, cardiologists, anesthesiologists, pathologists, scientists, and specialists in related disciplines who are committed to the educational and research missions of the Institute. Many also hold academic appointments at The University of Texas Medical School at Houston and Baylor College of Medicine, providing opportunities for collaborative research and postdoctoral training.

Texas Heart Institute Chiefs of Service



L. Maximilian Buja, MD
Chief, Cardiovascular Pathology Research
C. David Collard, MD Chief, Cardiovascular Anesthesiology
Denton A. Cooley, MD Founder, President Emeritus, Surgeon-in-Chief Emeritus
Joseph S. Coselli, MD Chief, Adult Cardiac Surgery
Charles D. Fraser Jr., MD Chief, Adult Congenital Heart Surgery
O.H. Frazier, MD Chief, Center for Cardiac Support
David A. Ott, MD Surgeon-in-Chief
James T. Willerson, MD President 

Texas Heart Institute Special Programs



Paolo Angelini, MD Medical Director, Center for Coronary Artery Anomalies
Andrew B. Civitello, MD
Medical Director, Heart Transplant Program

William E. "Billy" Cohn, MD

Director, Center for Technology and Innovation

Stephanie A. Coulter, MD Director, Center for Women's Heart & Vascular Health; Associate Director, Non-Invasive Cardiac Imaging

Reynolds M. Delgado, III, MD

Medical Director, Mechanical Assist Devices in Heart Failure

Richard A.F. Dixon, PhD Director, Wafic Said Molecular Cardiology
Research Laboratories

R. David Fish, MD

Director, Interventional Cardiology Research and Education;
Co-Director, Center for Heart Valve Disease

O.H. Frazier, MD

Director, Cardiovascular Surgery Research; Co-Director, Cullen Cardiovascular Research Laboratories

Patrick J. Hogan, MD

Director, Learning Resource Center; Co-Chairman, Medical Education Committee

Zvonimir Krajcer, MD

Co-Director, Peripheral Vascular Disease Service

Hari R. Mallidi, MD  Director, Clinical Outcomes Research, Center for Cardiac Support; Co-Director, Center for Congenital and Familial Cardiovascular Disease

Edward K. Massin, MD

Medical Director, Division of Cardiopulmonary Transplant

Deborah Ellen Meyers, MD
Medical Director, Heart Failure Programs
Wei Pan, MD Director, Cardiovascular Anesthesiology Research

Emerson C. Perin, MD, PhD

Director, New Cardiovascular Interventional Technology;
Director, Clinical Research for Cardiovascular Medicine

Mehdi Razavi, MD Director, Electrophysiology Clinical Research

George J. Reul, MD

Associate Chief, Surgery;
Co-Director, Peripheral Vascular Disease Service

Robert J. Schwartz, PhD Director, Stem Cell Engineering; Co-Director, Heart Failure and Stem Cell Research Laboratory
Guilherme V. Silva, MD
Director, Structural Heart Disease Program

Raymond F. Stainback, III, MD

Medical Director, Non-Invasive Cardiology

Doris A. Taylor, PhD
Director, Regenerative Medicine Research
Brian L. Walton, MD Director, Cardiovascular Experimental Imaging and Therapeutics

James T. Willerson, MD

Texas Heart Institute President;
Director, Cardiology Research;
Co-Director, Cullen Cardiovascular Research Laboratories

James M. Wilson, MD

Director, Cardiology Education

The Texas Heart Institute was founded by Dr. Denton A. Cooley in 1962. Its location in and affiliations with CHI St. Luke’s Health - Baylor St. Luke’s Medical Center and Texas Children's Hospital assured that all age groups would be treated and freed the Institute of the burden of financing a health care facility.

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Updated July 2014

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