Dr. Stein is the Senior Vice President and Chief Medical Officer of Cardiac Pacemakers, Inc., the Cardiac Rhythm Management (CRM) division of Boston Scientific Corporation. Dr. Stein is an internationally recognized cardiac electrophysiologist. He has participated in a large number of major clinical trials in cardiac pacing, defibrillation, and radiofrequency catheter ablation of arrhythmias. He serves as a Member of Physician Advisory Board at Healthcentersonline, Inc., and as Associate Director of the Cardiac Electrophysiology Laboratory at the New York Presbyterian Hospital.

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Dr. Stein has published widely in the areas of cardiac electrophysiology with special interest in cardiac resynchronization therapy, and has authored of over 100 peer-reviewed publications and co-authored chapters in several widely used textbooks. He is a Phi Beta Kappa graduate of Harvard College, and holds an M.D. from New York University School of Medicine. Dr. Stein completed his medical internship and residency at The New York-Presbyterian Hospital and Weill Cornell Medical Center, where he also completed his cardiology and electrophysiology training.