Dr. Borger is an internationally recognized cardiothoracic surgeon with expertise in complex aortic surgery, including aortic root and arch replacement and valve-sparing procedures. His clinical interests also include minimally invasive and percutaneous valve procedures, valve repair surgery, and ischemic mitral regurgitation.

Academically, he has been a leader in the development of new techniques and technologies, has published over 250 scientific articles, and has spoken at and moderated numerous international conferences. A native of Canada, Dr. Borger received his cardiothoracic surgical training and PhD at the University of Toronto in 2001, and completed an additional fellowship at the Leipzig Heart Center under the supervision of Professor Fred Mohr in 2002. He subsequently took a position as staff surgeon at Toronto General Hospital, working under Dr. Tirone David, and then in Leipzig, Germany, where he was named Associate Director of the Leipzig Heart Center in 2009.

Dr. Borger brings the latest techniques in aortic valve repair, valve-sparing aortic replacement, and percutaneous and hybrid approaches to chronic and acute aortic pathology. In addition to directing the Aortic Surgery Program, he is Director of the NewYork-Presbyterian/Columbia Cardiovascular Institute, and in this capacity oversees a multidisciplinary approach to the diagnosis and management of cardiovascular disease.