Dr. Marcus Chen is the Director of Cardiovascular CT at the National Institutes of Health, National Heart, Lung, and Blood Institute where he interprets both cardiac CT and MRI exams. He is board certified in cardiology, nuclear medicine, cardiovascular CT and internal medicine. Dr. Chen has clinical and research interests in radiation reduction, technical development of new imaging methods and multimodality non-invasive cardiac imaging. He completed his undergraduate work at the California Institute of Technology, medical school at the University of Wisconsin, residency and fellowships at the University of Colorado Health Sciences Center and a cardiovascular MRI fellowship at the NIH.