Johns Hopkins All Children's Hospital Heart Institute

Meet Our Team

Recognized as a Top 50 Children’s Cardiology & Heart Surgery Program by US News & World Report 2017-2018

Heart Institute Leadership

Deputy Directors

Gary Stapleton, M.D. Cardiology - Pediatric

Dr. Stapleton is a pediatric interventional cardiologist and serves as Johns Hopkins All Children’s division chief of pediatric cardiology and medical director of the cardiac catheterization lab at the Johns Hopkins All Children’s Heart Institute. Dr. Stapleton is active in research and education in interventional cardiology and has launched innovative techniques at Johns Hopkins All Children’s to treat congenital heart disease without the need for open heart surgery. He did a pediatric residency with San Antonio Uniformed Services in Texas and was a general pediatrician at Eglin Air Force Base before completing both a pediatric cardiology fellowship and pediatric interventional fellowship at Baylor College of Medicine and Texas Children’s Hospital in Houston.
View Gary’s Bio


Lisa Moore, M.S.N., M.H.A, R.NSenior Director, Nursing

Moore, who joined the team in 1990, has more than 28 years of nursing and administrative experience. She earned her Bachelor of Nursing degree at the University of Florida and a Master of Science in Nursing and Health Administration from the University of Phoenix. She has many years of pediatric cardiac critical care nursing experience and has served in numerous roles at Johns Hopkins All Children’s Hospital, including administrative director of the Heart Center, director of Pediatric Medicine, clinical manager of the cardiovascular intensive care unit (CVICU), and extracorporeal membrane oxygenation (ECMO) coordinator. Moore has presented at multiple national and international symposia and holds an American Nurses Credentialing Center (ANCC) Board Certification for advanced nurse executives.

Nhue Do, M.D. Cardiovascular Surgery

Dr. Do specializes in congenital cardiothoracic surgery at the Johns Hopkins All Children’s Heart Institute. He is an assistant professor of surgery at the Johns Hopkins University School of Medicine. He received his medical degree from the Keck School of Medicine at the University of Southern California. Dr. Do trained at the Beth Israel Deaconess Medical Center at Harvard University in Boston, Massachusetts, specializing in general surgery and a postdoctoral fellowship in abdominal transplantation.
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