Internationally recognized as one of the leading experts in the field of cardiovascular ultrasound, Robert J. Siegel, MD specializes in Cardiac Ultrasound including transthoracic and transesophageal echocardiography. His research interests include valvular heart disease, therapeutic applications of ultrasound energy, 2D and 3D transesophageal echo for the guidance and monitoring of percutaneous procedures such as mitral valve repair and aortic valve replacement as well as intraoperative echocardiography. He is also involved in clinical studies related to Marfan Syndrome and other aortopathies, hypertrophic cardiomyopathy, pericardial disease as well as valvular heart disease. Dr. Siegel is on the editorial board of two cardiovascular journals. He has edited three textbooks on ultrasound-related topics and he is a reviewer for more than a dozen journals. Dr. Siegel has authored more than 400 peer-reviewed scientific papers. He is also a contributing author to more than sixty cardiovascular textbooks. He has previously served as President of the California Chapter American College of Cardiology. He has been the Co-Chair of the Annual Meeting of The American College of Cardiology (2014) and The Annual Marfan Foundation (2011). He is a past president of the Los Angeles Society of Echocardiography and is active in several cardiovascular societies including the American Heart Association, American College of Cardiology, and American Society of Echocardiography.