Dr. Robert Emmons is Professor of Psychology at the "University of California, Davis” where he has taught since 1988. He received his Ph.D. degree from the University of Illinois at Urbana-Champaign. Dr. Emmons is the author of nearly 200 original publications in peer reviewed journals or chapters and has written or edited five books, including Thanks! How Practicing Gratitude Can Make You Happier and Gratitude Works! A Twenty-One Day Program for Creating Emotional Prosperity. A leader in the positive psychology movement, Dr. Emmons is founding editor and editor-in-chief of The Journal of Positive Psychology and his research has been featured in dozens of popular media outlets.