Thomas Gordon, PhD, is president of Effectiveness Training, Inc., Solana Beach, California. He is the creator of the pioneering program, Parent Effectiveness Training (P.E.T.), now taught in 37 countries. His training program for managers is used by the most successful companies in the United States.
W. Sterling Edwards, MD, is professor and chairman emeritus of the Department of Surgery at the University of New Mexico School of Medicine. He is the author of numerous books and publications in the medical field.