Meet Our Team
Kamal R. Khabbaz, MD
Chief, Cardiac Surgery
Dr. Khabbaz received his medical degree from the American University of Beirut in Lebanon. Following an internship in internal medicine at the American University Medical Center in Beirut, he joined the cardiac surgery laboratory of Dr. Shukri F. Khuri at Brigham and Women’s Hospital/West Roxbury Veterans Affairs Medical Center. He completed an internship and residency in general surgery at Tufts-New England Medical Center followed by a residency in cardiothoracic surgery at the University Hospitals of Cleveland/Case Western Reserve University School of Medicine.
Dr. Khabbaz joined the faculty at Tufts-New England Medical Center in 1996 and served as an Assistant Professor of Surgery at Tufts University School of Medicine from 1996-2004. Dr. Khabbaz was recruited to the Department of Surgery at BIDMC in 2004. He was appointed Associate Professor of Surgery at Harvard Medical School in 2013.
Sidney Levitsky, MD
Dr. Levitsky is the David Cheever Professor of Surgery at Harvard Medical School. He has served as President of the Society of Thoracic Surgeons (2005 to 2006) and has held faculty positions at Yale University School of Medicine, the National Heart Institute, the University of Illinois College of Medicine, Cook County Graduate School, and Harvard Medical School. He has authored over 450 journal articles and publications with a focus on intraoperative myocardial protection and ischemia/reperfusion injury of the heart. Dr. Levitsky received his medical degree from Albert Einstein College of Medicine and is board certified in surgery and thoracic surgery. The primary focus of his laboratory is to elucidate the mechanisms and subcellular localization of biochemical and molecular events contributing to myocardial cell death.
David C. Liu, MD
Dr. Liu received his medical degree from Tufts University School of Medicine in Boston. He completed his internship and residency in surgery at University of Toledo Medical Center in Toledo, Ohio, and a fellowship in cardiothoracic surgery at Tufts Medical Center in Boston. Board certified in thoracic surgery, Dr. Liu's clinical interests include minimally invasive cardiac surgery, coronary artery bypass surgery, valve replacement and repair, and complex aortic surgery (open and stenting).
James McCully, PhD
Dr. McCully is Associate Professor of Surgery at Harvard Medical Center and performs research in the Division of Cardiothoracic Surgery at Beth Israel Deaconess Medical Center. The primary focus of his lab work is to elucidate the mechanisms and subcellular localization of biochemical and molecular events contributing to myocardial cell death. His primary research focuses on mitochondrial transplantation, ATAA biomarkers, transcriptional and proteomic regulation of cardioprotection in the mature and aged male and female, and right and left ventricular hypertrophy.
Venkatachalam Senthilnathan, MD (Dr. Nathan)
Dr. Nathan received his medical degree from Stanley Medical College in India. He completed a residency in general surgery at Doncaster Royal Infirmary in the United Kingdom and a fellowship in cardiothoracic surgery at St. George's Hospital Medical School and Providence Saint Vincent Medical Center in Portland, Oregon. He also completed a fellowship in cardiovascular surgery at Baystate Medical Center in Springfield, MA. Dr. Nathan's clinical interests include minimally invasive cardiac surgery, off-pump coronary bypass surgery, mitral valve repair, aortic aneurysm repair, and complex redo surgery.