The Society of Thoracic Surgeons today announced Thomas E. MacGillivray, MD, as the recipient of the 2026 Distinguished Service Award in recognition of his extraordinary dedication to the field of cardiothoracic surgery and his longstanding service to STS at the Society’s 62nd Annual Meeting in New Orleans
Dr. MacGillivray is Physician Executive Director of Cardiac Surgery at MedStar Health and Chairman of Cardiac Surgery at MedStar Washington Hospital Center. He previously held senior leadership roles at Houston Methodist Hospital, including the Jimmy F. Howell, MD, Endowed Chair in Cardiovascular Surgery, Chief of Cardiac Surgery and Thoracic Transplant Surgery, and Associate Medical Director of the Cardiovascular ICU. Earlier, he spent 19 years at Massachusetts General Hospital as Surgical Director of the Adult Congenital Heart Disease Program, Co-Director of the Thoracic Aortic Center, and Surgical Director of the Mechanical Circulatory Support Program, while also serving as Associate Professor of Surgery at Harvard Medical School.
Across each of these leadership roles, Dr. MacGillivray has demonstrated an unwavering commitment to clinical excellence, innovation, and mentorship.
“Dr. Thomas MacGillivray embodies the highest standards of leadership, innovation, and dedication to the field of cardiothoracic surgery,” said STS President Joseph F. Sabik III, MD. “His unwavering commitment to advancing thoracic care and mentoring the next generation of surgeons has left an indelible mark on our Society and the specialty as a whole.”
Dr. MacGillivray is a board-certified cardiac and thoracic surgeon with more than 30 years of experience in both traditional open and minimally invasive techniques. His expertise spans coronary artery bypass, valve repair and replacement, thoracic aortic surgery, maze procedures, septal myectomy, cardiac tumor surgery, and adult congenital heart disease. He is committed to patient-centered care, following patients through their entire surgical journey from the OR to recovery.
His clinical and academic interests include aortic disease, adult congenital heart disease, heart failure, and pulmonary embolism. A strong advocate for quality improvement, he focuses on outcomes research and large clinical databases. He has authored more than 125 peer-reviewed articles and textbook chapters on aortic disease, adult congenital heart disease, mechanical circulatory support, and cardiac tumors.
Dr. MacGillivray earned his medical degree from Tufts University School of Medicine after completing undergraduate studies in Classical Studies at Tufts University. He completed his internship and general surgery residency at Massachusetts General Hospital, followed by an extensive and distinguished fellowship training pathway that included a research fellowship in fetal surgery at the University of California, San Francisco; congenital heart surgery training as Chief Resident at Boston Children’s Hospital; and adult cardiothoracic surgery training as Chief Resident at Massachusetts General Hospital.
Through decades of clinical excellence, academic contribution, and service-oriented leadership, Dr. MacGillivray has made a lasting impact on cardiothoracic surgery. The 2026 Distinguished Service Award recognizes not only his remarkable career, but also his enduring commitment to patients, colleagues, and the future of the specialty.