Stephen C. Brewer, M.D., is the Medical Director of the world-renowned Canyon Ranch Health Resort in Tucson, Arizona. He is a board-certified family physician with a subspecialty in integrative medicine. Dr. Brewer and his coauthor, Peggy Wagner, have developed a Peak Performance program whose purpose is to help individuals excel in their health and their goals, both personally and professionally. Peggy Wagner is a Licensed Professional Counselor (LPC) at Canyon Ranch Health Resort in Tucson, Arizona. A graduate of the University of Vermont, she has been trained in hypnosis, EMDR, and other life-enhancement techniques. Peggy also speaks nationally and internationally on peak performance and other wellness topics. Her work has been featured in prisons, Native American reservations, alternative schools, hospitals, and drug-and-alcohol treatment centers.