The Two Column Medium People Listing


This layout view displays the faculty members in two columns with the selected biography to the right. Use this view to display a moderate amount of biographical information about each faculty member.
  • Pramod Bonde

    Associate Professor of Surgery (Cardiac Surgery)

    Research Interests
    Aortic Valve Stenosis; Coronary Artery Bypass; Heart Valves; Miniaturization; Mitral Valve Insufficiency; Mitral Valve Prolapse; Minimally Invasive Surgical Procedures; Heart Valve Prosthesis Implantation; Mitral Valve Annuloplasty
    Clinical Interests
    Aortic Aneurysm; Aortic Arch Syndromes; Aortic Valve; Aortic Valve Insufficiency; Aortic Valve Stenosis; Coronary Artery Bypass; Coronary Artery Disease; Cardiac Surgical Procedures; Heart Valve Diseases; Heart Valve Prosthesis; Mitral Valve Insufficiency; Mitral Valve Prolapse; Heart Transplantation; Mitral Valve Annuloplasty

    Dr Pramod Bonde is a Associate Professor of Surgery.

    He treats:

    • coronary artery disease (bypass surgery)
    • aortic valve stenosis
    • bicuspid aortic valve
    • mitral valve prolapse
    • mitral valve regurgitation
    • mitral valve stenosis
    • Minimally invasive surgery (key hole surgery)
    • Ascending aortic aneurysm Aortic root aneurysm
    • Aortic dissection
    • Arch dissection/aneurysms
    • Complex redo heart surgeries
    • Complex multiple valve surgeries
    • ECMO
    • LVAD
    • Heart transplantation

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  • Umer Darr

    Assistant Professor of Surgery (Cardiac Surgery); Chief of Cardiac Surgery, Bridgeport Hospital

    Dr. Umer Darr is board-certified in general and thoracic surgery. He is fellowship trained in cardiovascular (complex aortic and heart valve surgery). Dr. Darr earned his M.B.B.S from the Aga Khan University Medical College in Pakistan and completed a residency in general surgery at the University of Connecticut School of Medicine and in Cardiothoracic surgery at the Yale University School of Medicine.

    Dr. Darr’s clinical interests include Cardiac Surgery, Aneurysm Aortic Surgery, Aortic Surgery, Cardiac Ablation, Cardiac Arrhythmias, Cardiovascular Surgery, Heart Surgery, and Thoracic Aortic Surgery.

  • Michael Dewar

    Assistant Professor of Surgery (Cardiac Surgery)

    Michael Dewar, MD, FACS, FRCS (C) is board-certified in thoracic and cardiac surgery. He is fellowship trained in cardiac, thoracic, vascular and general surgery. Dr. Dewar earned his medical degree from the University of Massachusetts and completed his coordinated surgical residency at McGill University. He was senior registrar at the Hospital for Sick Children at Great Ormond Street, London UK.

    Dr. Dewar's clinical interests include aortic valve surgery, minimally invasive coronary artery bypass surgery, mitral valve repair surgery, and Ross procedure.

  • John Elefteriades

    William W.L. Glenn Professor of Surgery (Cardiac Surgery)

    Research Interests
    Coronary Artery Bypass; Genetics; Heart Aneurysm; Aortic Aneurysm, Thoracic
    Clinical Interests
    Aneurysm; Aortic Valve; Mitral Valve; Myxoma; Pericardial Effusion; Aortic Aneurysm, Thoracic

    Dr. John Elefteriades is the William W.L. Glenn Professor of Cardiothoracic Surgery and former Chief of Cardiothoracic Surgery at Yale University and Yale New-Haven Hospital. He is among the most clinically active academic surgeons in the country.

    Dr. Elefteriades graduated magna cum laude with a triple concentration in Physics, French and Psychology from Yale University. He received his MD degree from the Yale University School of Medicine. He trained at Yale in both general surgery and cardiothoracic surgery. After completing his training, he joined the faculty at the Yale University School of Medicine.

    He performs all aspects of adult cardiac and thoracic surgery. He is a recognized authority in interventions for the failing left ventricle, including coronary artery bypass grafting, left ventricular aneurysmectomy, and artificial heart implantation. Dr. Elefteriades directs the Aortic Institute at Yale, one of the nation's largest facilities for treatment of the dilated thoracic aorta. He conducts laboratory research in new techniques of heart transplantation.  Among his research projects, he is working to identify the genetic mutations responsible for thoracic aortic aneurysms. 

    Dr. Elefteriades serves on multiple scientific advisory and editorial boards. He is a past President of the Connecticut Chapter of the American College of Cardiology and member of the national Board of Governors of the College.  Dr. Elefteriades is also past President of the International College of Angiology. He serves on the editorial board of the American Journal of Cardiology, the Journal of Cardiac Surgery, Cardiology, and the Journal of Thoracic and Cardiovascular Surgery as well as being Editor-in-Chief of the Aorta Journal. He has been a member of the Thoracic Surgery Director's Association and has been named consistently in The Best Doctors in America.   He is a frequently requested international lecturer, visiting professor and guest surgeon. He is the author of over 400 scientific publications on a wide range of cardiac and thoracic topics. He was selected as one of the ten best doctors in America by Men’s Health magazine. He has been featured in many dozens of print, radio, and television presentations. He has received the Walter Bleifeld Memorial Award for Distinguished Contribution in Clinical Research in Cardiology and the John B. Chang Research Achievement Award. In 2005 he was selected to lecture at the Leadership in Biomedicine Series at the Yale University School of Medicine.  In 2006, he received the Socrates Award from the Thoracic Residents Association, Thoracic Surgery Directors' Association, and the Society of Thoracic Surgeons, recognizing exceptional achievement in teaching and mentorship of residents.

    Dr. Elefteriades was named the William W.L. Glenn Professor of Cardiothoracic Surgery in 2006. This endowed chair honors the memory of Dr. Elefteriades’ mentor, Dr. Glenn. Dr. Elefteriades is the author of the books House Officer Guide to ICU Care (1st, 2nd, and 3rd Editions), Advanced Treatment Options for the Failling Left Ventricle, Your Heart: The Owner's Guide,  Acute Aortic Disease, The women Heart: The Owner's Guide, Extraordinary Hearts: A Journey of Cardiac Medicine and the Human Spirit, The Woman's Heart: An Owner's Guide, Transplant.

    In 2017, Dr. Elefteriades was awarded an Honorary Phd degree from the University of Liege (Belgium) in recognition of his work in diagnosis and treatment of aortic diseases.  

  • Arnar Geirsson

    Associate Professor of Surgery (Cardiac Surgery); Section Chief, Cardiac Surgery

    Research Interests
    Cardiac Surgical Procedures; Myocardial Infarction; Aortic Aneurysm, Thoracic; Minimally Invasive Surgical Procedures
    Clinical Interests
    Aneurysm, Dissecting; Aorta, Thoracic; Aortic Aneurysm; Aortic Diseases; Aortic Valve; Aortic Valve Insufficiency; Aortic Valve Prolapse; Aortic Valve Stenosis; Coronary Artery Bypass; Cardiac Surgical Procedures; Mitral Valve; Mitral Valve Insufficiency; Mitral Valve Prolapse; Mitral Valve Stenosis; Tricuspid Valve; Tricuspid Valve Insufficiency; Aortic Aneurysm, Thoracic; Minimally Invasive Surgical Procedures; Coronary Artery Bypass, Off-Pump; Mitral Valve Annuloplasty; Transcatheter Aortic Valve Replacement

    Primary focus and interest includes mitral valve repair surgery specifically minimally invasive approaches such as keyhole surgery through small incision in the right chest or robotic mitral valve surgery. Additional interest is aortic valve repair, valve sparing root replacement, transcatheter valve procedures, thoracic endovascular aneurysm repair, and robotic coronary revascularizaton. 

    Yale Cardiac Surgery consistently outperforms on a local and regional level in respect to surgical outcome as demonstrated by multiple 3-Star rating by the Society of Thoracic Surgeon (STS) Public reporting ( for aortic valve replacement, mitral valve procedures as well as combined valve and coronary artery bypass surgery. 

  • Peter J. Gruber

    Dr. Gruber is a Professor of Surgery at the Yale School of Medicine and a Pediatric Cardiothoracic Surgeon at Yale New Haven Children’s Hospital. Over the past two decades, his clinical practice has focused on surgical repair of complex congenital heart disease; and research on understanding it’s molecular and genetic underpinnings and developing innovative therapies to improve cardiac function. He has contributed to discoveries that have shown the importance of epigenetic factors, especially histone deacetylases, in cardiac development and its response to ischemia-reperfusion injury. He earned his B.A. in Biochemistry from the University of Pennsylvania (1985), M.D. from the University of Pennsylvania School of Medicine (1992), and Ph.D. from the University of Pennsylvania, in Biochemistry and Biophysics (1992). He completed his dissertation in Laboratory of Biochemical Genetics and Metabolism at Rockefeller University. His post-doctoral fellowship in Cardiac Development was completed at the American Heart Association-Bugher Foundation Center for Molecular Biology at the University of California, San Diego (1994-1996). His clinical training in General and Cardiothoracic Surgery was completed at the Johns Hopkins Hospital (1992-1999) and Pediatric Cardiothoracic Surgery at The Children’s Hospital of Philadelphia (2002). He has held faculty appointments as Assistant Professor of Surgery at the University of Pennsylvania School of Medicine and Surgeon, Children’s Hospital of Philadelphia (2002-2011); Associate Professor, the D. Rees and Eleanor T Jensen Presidential Chair of Surgery, and Chief, Section of Pediatric Cardiothoracic Surgery at the University of Utah School of Medicine (2011-2014); and the Johann L.F. Ehrenhaft Professor and Chairman, Department of Cardiothoracic of Surgery at the University of Iowa (2014-2017). He is a member of the American Society of Clinical Investigation and the American Surgical Association and has contributed over 150 scientific publications.


  • Tain-Yen (T-Y) Hsia

    Chief, Pediatric Cardiac Surgery, Surgery

    Dr. Tain-Yen (T-Y) Hsia is the Chief of Pediatric Cardiac Surgery at Yale New Haven Children’s Hospital and a Professor of Surgery at Yale School of Medicine. Prior to his appointment at Yale, Dr. Hsia was a Consultant Cardiothoracic Surgeon at Great Ormond Street Hospital for Children in London, United Kingdom, and Professor of Cardiothoracic Surgeon at University College London for nearly 9 years.  Dr. Hsia immigrated from Taiwan, Republic of China to the United States at 13 years of age.  He attended Massachusetts Institute of Technology (MIT) where he obtained both a Bachelor’s and a Master’s degrees in Mechanical Engineering with special interest in Fluid Dynamics and Heat/Mass Transfer. Subsequently he studied medicine at Stanford University.  Following his MD degree, he completed training in General Surgery and Cardiothoracic Surgery at Johns Hopkins Hospital in Baltimore, Maryland.  During this time, he completed a Research Fellowship funded by the National Science Foundation (US) with Prof. Marc de Leval at Great Ormond Street Hospital for Children in the application of computational modeling in congenital heart diseases.  Dr. Hsia completed his training in pediatric cardiac surgery at Children’s Hospital of Philadelphia with Dr. Tom Spray, and  took up the post of Attending Pediatric Cardiothoracic Surgeon at Medical University of South Carolina in Charleston.  In addition to a busy clinical practice in all aspects of pediatric and congenital heart surgery, Dr. Hsia continues an active and productive international collaboration in the application of engineering and computational methods in the improvement and understanding of surgical treatment of congenital heart defects.

  • Gary Kopf

    Professor of Surgery (Cardiac Surgery)

    Research Interests
    Arrhythmias, Cardiac; Cardiology; Ethics, Medical; Cardiac Surgical Procedures; Pediatrics

    Dr. Gary Kopf is a Board Certified Cardiothoracic surgeon and has over 30 years of experience in all aspects of adult and pediatric cardiac surgery.

    Dr. Kopf graduated from Columbia College majoring in Physics. He received his medical degree from Harvard University (cum laude). He trained in General Surgery and Cardiothoracic Surgery at the Brigham and Women’s Hospital, and the Children’s Hospital of Boston. Dr. Kopf spent two years at the National Institutes of Health doing research on perinatal physiology.

    Dr. Kopf is a member of the American Association of Thoracic Surgery, The Society of Thoracic Surgery, the American College of Surgeons, and the Congenital Heart Surgeons Society, among many other organizations. He has been listed as one of America’s Top Doctors, New York’s Best Doctors, and America’s Top Surgeons for many years.

    Dr. Kopf is also interested in biomedical ethics and is a member of the Adult and Pediatric Ethics Committees at Yale-New Haven Hospital, the Technology and Ethics Working Group, and the End of Life Issues Study Group at the Yale Bioethics Center.

    Patient Care: Cardiac Surgery, Pediatric Cardiac Surgery, Adult Congenital Heart Surgery, Aortic Surgery

    Learn more about one of Yale Cardiac Surgery's Pediatric surgeons.

  • Abeel Mangi

    Associate Professor of Surgery (Cardiac Surgery); Surgical Director, Structural Heart and Valve Program

    Research Interests
    Heart; Heart Valve Diseases; Heart Valve Prosthesis; Operations Research; Efficiency, Organizational; Health Care
    Clinical Interests
    Adult; Aneurysm; Angina Pectoris; Coronary Artery Bypass; Cardiology; Cardiovascular Diseases; Coronary Disease; Cystic Fibrosis; Emphysema; Heart Defects, Congenital; Heart Failure; Cardiac Surgical Procedures; Heart Valve Diseases; Mitral Valve Prolapse; Cardiomyopathies; Myocardial Infarction; Pericarditis; Heart Transplantation; Lung Transplantation; Aortic Aneurysm, Abdominal; Aortic Aneurysm, Thoracic; Pulmonary Disease, Chronic Obstructive; Atherosclerosis


    Abeel A. Mangi, MD, is an attending surgeon in the Section of Cardiac Surgery at Yale University, and is Associate Professor of Surgery at the Yale University School of Medicine. He is Surgical Director of the Structural Heart and Cardiac Valve Program at the Yale New Haven Heart & Vascular Institute. Dr. Mangi is certified and re-certified by the American Board of Surgery, and is certified by the American Board of Thoracic Surgery.

    He specializes in surgical and catheter based techniques to repair and replace aortic and mitral valves. Dr. Mangi has participated in over 2,500 heart operations. His accomplishments include pioneering work in the area of catheter-based valve replacement and surgical therapies for heart failure. Under his leadership referrals to the cardiac valve program have increased substantially, with an 300% increase in TAVR volumes and a concomitant increase in surgical aortic valve volume of 25%.

    Dr. Mangi has practical and research interests in enhancing hospital efficiency and has successfully implemented principles of robust optimization and dynamic work design into the Heart & Vascular Center at Yale New Haven Hospital. His work has decreased blood utilization in cardiac surgery from 78% to 22%; and has decreased lengths of stay in the hospital by 40-70%. On going efforts include system-wide network development for cardiovascular services, and the use of predictive analytics and optimization tools to enhance hospital throughput.

    Dr. Mangi earned his undergraduate and medical degrees from Brown University. After completing his residency in general surgery at the Massachusetts General Hospital & Harvard Medical School under Dr. Andrew Warshaw, he was awarded a postdoctoral National Research Service Award fellowship from the National Institutes of Health, and won awards from the American Heart Association and the American College of Cardiology for stem cell research done in the laboratory of Dr. Victor Dzau at the Brigham & Women's Hospital and Harvard Medical School. He completed his fellowship in cardiac surgery at Columbia University under Dr. Eric Rose and Dr. Yoshifumi Naka and was then appointed as an Associate Staff Cardiac Surgeon at the Cleveland Clinic where he worked under Dr. Bruce Lytle. He earned an MBA from the Sloan School of Management at the Massachusetts Institute of Technology.

    As principal or co-investigator in several dozen clinical trials and studies, Dr. Mangi has focused his research efforts on his specialty interests, including surgical and catheter based repair and replacement of diseased heart valves; the surgical treatment of ischemic heart failure, cellular therapy to treat advanced heart damage and expanded roles for left ventricular assist devices (LVADs). He is principal investigator on multiple clinical trials investigating catheter-based therapies for valvular heart disease and outcomes of patients supported on newer generation LVADs.

    Dr. Mangi has been invited to speak about his clinical experience and research findings 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 over eighty published studies and abstracts in peer-reviewed publications, including Nature Medicine, The New England Journal of Medicine, Circulation, The Journal of Thoracic and Cardiovascular Surgery, and The Annals of Thoracic Surgery among others.

    Dr. Mangi serves on multiple institutional, national and international committees, scientific advisory boards, and has been elected to membership and fellowship in the most esteemed organizations in his field including the International Society for Heart and Lung Transplantation, The American College of Cardiology, The Society for Thoracic Surgeons, The Society of University Surgeons, and The American College of Surgeons.

  • George Tellides

    Professor of Surgery (Cardiac Surgery); Chief of Cardiothoracic Surgery, Veterans Affairs Medical Center

    George Tellides, MD, PhD, earned his medical degree from the University of Witwatersrand, Johannesburg, and his PhD from the University of Oxford. Dr. Tellidies is dedicated to saving and improving the lives of patients with cardiac disease and heart failure and concentrates his clinical practice at the Veterans Affairs Medical Center, West Haven, CT.