Michael Borger is the University Professor of Cardiac Surgery at the University of Leipzig, Germany and the Medical Director of the Leipzig Heart Center. Prior to his current positions, Dr. Borger was the Director of Aortic Surgery and the George H. Humphries II Chair at Columbia University Medical Center in New York. He is an author on over 600 peer-reviewed publications, including several guideline documents. He is a former President of the Heart Valve Society, a Steering Committee Member of the Cardiothoracic Surgical Trials Network and International Director of the American Association of Thoracic Surgery.