Martin E.P. Seligman, Ph.D., is the Zellerbach Family Professor of Psychology and Director of the Positive Psychology Center at the University of Pennsylvania. Widely regarded as the founder of Positive Psychology, Dr. Seligman is a leading authority in areas such as resilience, learned helplessness, depression, optimism, and interventions that enhance strengths and overall well-being.With over 250 scholarly publications and 20 books, Dr. Seligman’s work has profoundly influenced the field of psychology. His books, translated into more than twenty languages, have become best sellers worldwide. Among his most notable works are Flourish, Authentic Happiness, Learned Optimism, The Optimistic Child, Helplessness, and Abnormal Psychology. His collaborative work, Character Strengths and Virtues: A Handbook and Classification, co-authored with Christopher Peterson, serves as a cornerstone in the study of positive traits.