Dacher Keltner, Ph.D., is the founding director of the Greater Good Science Center and a professor of psychology at the University of California, Berkeley. Dacher is the host of the Greater Good Science Center's award-winning podcast, The Science of Happiness and is a co-instructor of the GGSC's popular online course of the same name. One of the world’s foremost emotion scientists, Dacher has over 200 scientific publications and six books, including The Power Paradox: How We Gain and Lose Influence and Born to Be Good; he was a co-editor of the Greater Good anthology, The Compassionate Instinct. He has also written for many popular outlets, from The New York Times to Slate, and was the scientific advisor behind Pixar’s Inside Out.