Dacher Keltner is Professor of Psychology and the Director of the Greater Good Science Center at the University of California, Berkeley. A renowned expert in the biological and evolutionary origins of human emotion, he has received numerous prizes for his research, which has been covered in The New York Times, Newsweek, the BBC and CNN. He is the bestselling author of Born to Be Good and has served as a consultant to Google, Facebook, and on the award-winning Pixar film, Inside Out. In 2008, the Utne Reader listed him as one of the fifty visionaries changing the world.