David L. Katz, MD, MPH, is one of the nation's foremost authorities on nutrition, weight control, and the prevention of chronic disease. He is co-founder and director of Yale's Prevention Research Center, medical correspondent for ABC News, nutrition columnist for O, The Oprah Magazine, and the author of a syndicated health/nutrition column for the New York Times. He lives with his wife, Catherine, and their five children, in Connecticut.
Catherine S. Katz, PhD, is a neuroscientist by training, and has made significant scientific contributions to the area of olfaction and its link to memory and learning. She is also an expert cook whose culinary talents have been featured in O, The Oprah Magazine; Child Magazine; Men's Health; Women's Health & Fitness; and several books.