William von Hippel is an evolutionary psychologist and the author of the bestselling book: ‘The Social Leap’. He grew up in Alaska, got his B.A. at Yale and his PhD at the University of Michigan, and then taught for a dozen years at Ohio State University before finding his way to Australia, where he is a professor of psychology at the University of Queensland. He has published more than a hundred articles, chapters, and edited books, and his research has been featured in The New York Times, USA Today, The Economist, the BBC, Le Monde, El Mundo, Der Spiegel, and The Australian. He lives with his wife and two children in Brisbane, Australia.