Allan L Klein, MD, FRCP(C), FACC, FAHA. FASE, is Director of Cardiovascular Imaging Research at The Cleveland Clinic Foundation, Professor of Medicine, and Board-certified in Internal Medicine and Cardiology. Dr Klein is a Fellow of the American College of Cardiology (ACC), the Royal College of Physicians (RCP) and the Council on Clinical Cardiology. He also serves on the Editorial Board of the Journal of American College of Cardiology and the Journal of the American Society of Echocardiography and has served on the Board of Directors of the American Society of Echocardiography (ASE). Dr Klein has had over 130 articles published in prestigious publications such as Circulation, and the Journal of the American College of Cardiology. During his career, he has given more than 100 lectures to both national and international audiences on all aspects of echocardiography.