Martin Seligman

Martin E.P. Seligman, PhD, is the founder of Positive Psychology, former President of the American Psychological Association, and one of the most important figures in the field of applied psychology. He is currently Fox Leadership Professor of Psychology at the University of Pennsylvania. He has written several books and over 200 articles on motivation and personality, including the best-selling Learned Optimism,What You Can Change and What You Can't, and his most recent Authentic Happiness.