Dr .Peter B. Berger, MD is system-wide Chairman of Cardiology, an interventional cardiologist and Co-Director of the Geisinger Heart & Vascular Institute. He is also Director, Cardiovascular Center for Clinical Research at Geisinger Clinic, which is responsible for clinical research throughout the five-hospital, 40-clinic Geisinger Health System. Prior to joining Geisinger in the summer of 2006, he was a Professor of Medicine and the Director of Interventional Cardiology at the Duke University Medical Center, and Co-Director of Cardiovascular Device Research at the Duke Clinical Research Institute. Prior to Duke, Dr. Berger was a Professor of Medicine in the Division of Cardiology at the Mayo Clinic College of Medicine for 14 years. He has served on (and chaired) the American Heart Association Committee on Diagnostic and Interventional Catheterization, and on the Cardiac Catheterization and Interventional Cardiology Committees of the American College of Cardiology and the Society of Cardiac Angiography and Intervention. Dr. Berger was a member of the American Board of Internal Medicine and in that capacity helped write the interventional cardiology board exam for several years. Dr. Berger received his medical degree from the New York University Medical School and did his residency and fellowship at Boston City Hospital and Boston University Medical Center. Dr. Berger has served on the steering committees of many of the cardiology trials that have shaped clinical practice in the last 20 years. Dr. Berger has authored more than 299 original articles and 24 editorials, published 42 commentaries on clinical trials as the former Director of Clinical Trials for MD Consult, authored or co-authored 24 book chapters, edited 2 books, and given hundreds of educational lectures in the U.S. and abroad.