Jonathan S. Steinberg, MD, Adjunct Professor of Medicine, University of Rochester School of Medicine and Dentistry; Director, The Arrhythmia Institute, The Valley Health System, New York, NY and Ridgewood, NJ, USA.
Professor Jonathan S. Steinberg has helped produce many of the seminal and innovative clinical trials in electrophysiology, with a recent specific focus on the technical and clinical aspects of catheter ablation of atrial fibrillation. He is the author of more than 180 peer-reviewed publications and 250 abstracts, an editorial board member or regular reviewer for numerous journals, and is part of the American Board of Internal Medicine Clinical Cardiac Electrophysiology Committee. He continues to have an active clinical practice, managing patients with complex arrhythmias who require catheter ablation.

Pierre Jais, M.D., Professor, Department of Cardiology, Universite Victor Segalen-Bordeaux 2 and Hopital Cardiologique du Haut-Leveque, Bordeaux, France.
Pierre Jais is Professor at the Cardiology Hospital, Pessac, France, working with Michel Haissaguerre in the Rhythmology and Cardiac Stimulation Department. With this group he has pioneered AF ablation. He is a regular contributor at national and international symposia (240 communications) and has written many journal articles, mainly on electrophysiology and RF catheter ablation, particularly focusing on atrial and ventricular arrhythmias (412 journal publications, 38 as first author).

Hugh Calkins, M.D., F.A.C.C., FHRS, FAHA.

Nicholas J. Fortuin, M.D., Professor of Cardiology; Professor of Medicine; Director, Cardiac Arrhythmia Services and Electrophysiology Laboratory; Director, Johns Hopkins ARVD/C Program, Baltimore, MD, USA.

Dr Hugh Calkins is the Nicholas J. Fortuin M.D. Professor of Cardiology and Professor of Medicine at the Johns Hopkins University School of Medicine. He also is the Director of the Clinical Electrophysiology Laboratory, the Atrial Fibrillation Center, and the Arrhythmia Service at the Johns Hopkins Hospital. Dr Calkins has published more 500 articles and book chapters. He has lectured extensively throughout the world. The focus of his research efforts have been on atrial fibrillation, and catheter ablation. Dr Calkins is on the editorial board of the Journal of the American College of Cardiology, Circulation, Heart Rhythm, the Journal of Interventional Electrophysiology, and Circulation Arrhythmia and Electrophysiology. He is a past President of the Heart Rhythm Society.