Our Faculty

At Yale Cardiac Surgery, our expert team of cardiac surgeons, cardiac nurses, physician assistants, nurse practitioners, and office staff are dedicated to providing compassionate care in a comforting environment.  

Our surgeons are board certified and have received numerous awards and recognitions for their outstanding achievements in research, practice, and teaching. They are committed to providing the most comprehensive and advanced care available, collaborating with other internationally recognized Yale cardiologists in the treatment of cardiac disease. 

As faculty of the Yale School of Medicine Department of Surgery, our surgeons conduct groundbreaking research in aortic surgery, mitral valve repair, aortic valve surgery, experimental mechanical heart and cardiac transplantation programs, as well as vascular biology and transplantation immunology, including the pathogenesis of coronary arteriosclerosis and aneurysm disease.
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Arnar Geirsson, MD, FACS, FAHA

Section Chief

Associate Professor of Surgery (Cardiac Surgery)

Section Chief, Cardiac Surgery

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...

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Ayyaz Ali

Assistant Professor of Surgery (Cardiac Surgery)

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Pramod Bonde, MD

Associate Professor of Surgery (Cardiac Surgery)

Surgical Director of Mechanical Circulatory Support

Dr Pramod Bonde is a Associate Professor of Surgery.

He treats:

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Umer Darr, MBBS

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...

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Michael Dewar, MD, FACS, FRCS(C)

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...

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John Elefteriades, MD

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

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...

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Peter J. Gruber, MD/PhD

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...

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Tain-Yen (T-Y) Hsia, MD, MSc

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...

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Gary Kopf, MD

Professor of Surgery (Cardiac Surgery)

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...

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Abeel Mangi, MD, MBA, FACS, FACC

Associate Professor of Surgery (Cardiac Surgery)

Surgical Director, Structural Heart and Valve Program

BIOGRAPHICAL SKETCH

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...

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George Tellides, MD, PhD

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.

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Please visit YaleMedicine.org to learn more about what we offer adult and pediatric patients needing surgical treatment and our comprehensive care for a full range of conditions and diseases, from the most common to the most complicated.