Walter J. Crinnion, ND, received his degree in naturopathic medicine from Bastyr University in Seattle, WA. He has published several articles in peer-reviewed journals on the topic of environmental overload. Crinnion has served on the board of directors at the American Association of Naturopathic Physicians and on the adjunct faculty of Bastyr University, the National College of Naturopathic Medicine in Portland, OR, and the University of Bridgeport College of Naturopathic Medicine in Bridgeport, CT. He is a professor at the Southwest College of Naturopathic Medicine in Tempe, AZ, and the chair of their environmental medicine department. In 2001 he appeared three times with Barbara Walters on ABC's The View. His first book, Clean, Green, and Lean was published by Wiley and Sons in 2009.