James J. Lyons, MD, FACC

Dr. Mangi is the Chief of Cardiac Surgery at Vassar Brothers Medical Center. He is certified by the American Board of Surgery and the American Board of Thoracic Surgery. He specializes in complex and re-operative cardiac surgery and often operates on patients who are considered too high risk by other centers. He specializes in robotic and minimally invasive aortic and mitral valve repair as well as robotic coronary artery bypass surgery. He specializes in aortic surgery, including the David procedure, ascending aortic and arch replacement. He is a strong advocate for multi-arterial coronary bypass grafting. As an educator, he has trained more than 50 cardiac surgeons from all parts of the world, several of whom are now leaders in the field, as well as hundreds of surgical residents and medical students. He has been a visiting professor, chair and instructor of numerous courses and symposia which teach practicing surgeons and physicians nationally and internationally. Dr. Mangi was awarded a fellowship from the National Institutes of Health to perform ground-breaking cardiac stem cell research done at the Brigham & Women's Hospital and Harvard Medical School. This work was recognized by the American Heart Association and the American College of Cardiology. He completed his fellowship in cardiac surgery at Columbia and was appointed as an Associate Staff Cardiac Surgeon at the Cleveland Clinic. He was also appointed as Assistant Professor of Surgery at Temple University where he led the heart and lung transplant programs. He was recruited to the Yale Medical School where he led the Center for Advanced Heart Failure, Cardiac Transplantation and Mechanical Circulatory Support and the Heart Valve Program. In 2020 he was appointed Professor of Surgery at Yale. From there he was recruited to chair the cardiac surgery program at Medstar Health in Washington DC. Dr. Mangi has been invited to speak at conferences and symposia worldwide. He is the author or co-author of numerous book chapters on subjects related to his specialty interests, including advances in cardiac intensive care, cardiac surgery, assist devices and treatment of heart failure. He has authored or co-authored almost two hundred published studies in peer-reviewed publications. Dr. Mangi serves on multiple institutional, national and international committees, scientific advisory boards and editorial boards.