Matthew J Budoff, MD, is an Associate Professor of Medicine at the David Geffen School of Medicine at UCLA and the Director of Cardiac CT at Harbor-UCLA Medical Center in Torrance, CA. Dr Budoff has conducted extensive research over the last 15 years using the electron beam computed tomography (CT) and multi-detector CT to identify those patients at high-risk for cardiac events, progression of coronary calcium, and non-invasive CT angiography. He has published over 100 articles on these topics. Dr Budoff is board certified in Internal Medicine and Cardiovascular Diseases, and is a Fellow of the American College of Cardiology and the American Heart Association. He is the Vice President of the Society of Atherosclerosis Imaging (SAI) and a founding Board Member of the Society of Cardiovascular CT (SCCT). Previously, he served as chair of: the ACC/AHA Competency document for cardiac CT and MR; the COCATS 2–CT Section (ACC training for fellows); as well as forthcoming AHA Scientific Statement on Cardiac CT; and is an author of the updated Guidelines for Use of CT for Calcium Assessment and the competency guidelines for peripheral CT and magnetic resonance (MR). He has recently edited a textbook on Cardiac CT (Springer, 2006). Dr Budoff is a cum laude graduate of the University of California at Riverside and a graduate with distinction of the George Washington University School of Medicine. He completed his internship and residency in internal medicine, as well as his cardiology fellowship, at Harbor-UCLA Medical Center.