Joseph F. Maalouf, M.D., is Professor of Medicine at Mayo Clinic College of Medicine, Cardiovascular Diseases Consultant, and Director of Interventional Echocardiography Department of Cardiovascular Medicine at Mayo Clinic in Rochester, Minnesota. Dr. Maalouf graduated in 1975 from the American University of Beirut-Lebanon where he also did two years of Internal Medicine Residency training. He completed three years of Fellowship training in Cardiovascular Medicine including one year of Fellowship training in echocardiography at Columbia University/St-Luke’s hospital and Mount Sinai hospital in New York City. Francesco F. Faletra, M.D., is Head of Cardiac Imaging Department at Cardiocentro Ticino in Lugano, Switzerland since 2005. His focus is on 3D TEE and he regularly takes classes on this topic at cardiologists coming from all Europe. During his career, he has been the author of several books, chapters and peer reviews papers.Samuel J. Asirvatham, M.D., is an electrophysiologist at Mayo Clinic’s campus in Rochester, Minnesota. After completing medical school at the Christian Medical College in Vellore, India, his internship was at the Columbia University Medical Center in New York City. Dr. Asirvatham is currently a professor of medicine in the Division of Cardiovascular Diseases within the Department of Internal Medicine and a professor of pediatrics in the Division of Pediatric Cardiology within the Department of Pediatric and Adolescent Medicine. He is a consultant in cardiac electrophysiology, program director for the Clinical Cardiac Electrophysiology Fellowship and director of strategic collaboration for the Center for Innovation at Mayo Clinic, Rochester, Minnesota.Krishnaswamy Chandrasekaran, Dr. K. Chandrasekaran, commonly known as Dr.Chandra, is a Professor of Medicine, Mayo Clinic College of Medicine, Emeritus Consultant, Cardiovascular Diseases, Department of Cardiovascular Medicine at the Mayo Clinic in Rochester, Minnesota. Dr.Chandra graduated from Madras Medical College, Madras University, Chennai, Tamil Nadu, India 1974. His further training in internal medicine and cardiology was from New York Medical College and the University of Oklahoma. He was instrumental in creating Interventional echocardiography at Mayo Clinic. He spends part of his time teaching and training echocardiography in India.