William Nathaniel Phillips is an American entrepreneur and author. He wrote Body for Life: 12 Weeks to Mental and Physical Strength with Mike D'Orso. He is also the author of Eating for Life, and is founder and former editor in chief of Muscle Media magazine and the former CEO of EAS, a performance nutritional supplement company. Other books Bill has authored are Anabolic Reference Guide, The Natural Supplement Review, and Transformation. Bill Phillips made a promotional movie called Body of Work which was filmed in Las Vegas, Nevada and chronicled the very first EAS Challenge. On June 21, 2010, Phillips latest book, "Transformation: The Mindset You Need. The Body You Want. The Life You Deserve" was released.