Roger S. Blumenthal, M.D., F.A.C.C., F.A.H.A., is a professor of medicine in the Division of Cardiology at The Johns Hopkins Hospital in Baltimore, Maryland. Dr. Blumenthal graduated with honors from The Johns Hopkins University. He received his medical degree from Cornell University Medical College, where he was awarded the Weiss Prize for Excellence in Clinical Medicine. He did his internal medicine and cardiology fellowship training at The Johns Hopkins Hospital and then joined the medical school facility.Dr. Blumenthal was the principal developer of The Johns Hopkins Ciccarone Center for the Prevention of Heart Disease, and he is the Director of Preventive Cardiology at Johns Hopkins. He is an official national spokesperson for the American Heart Association (AHA) and has cowritten more than 400 original research articles, state-of-the-art reviews and editorials dealing with many aspects of coronary artery disease and atherosclerosis management. Juli Hermanson, M.P.H., R.D., is a senior nutrition scientist at the General Mills Bell Institute of Health & Nutrition in Minneapolis. As a registered and licensed dietitian, she specializes in nutrition communications, translating nutrition science into practical advice for healthy eating. She attained a bachelor of science degree in dietetics at Iowa State University and holds a master's degree in public health nutrition from the University of Minnesota. She has developed educational materials for patients and professionals on heart health nutrition.