A Wharton professor and organizational psychologist says leaders promote the wrong people, exit interviews miss the point, and there's an easy way to find out if someone is stealing

Adam Grant is an organizational psychologist, a Wharton professor, and the best-selling author. Grant sat down with Business Insider's Sara Silverstein at the World Economic Forum in Davos, Switzerland to discuss how people get power, how they keep it, and what they do with it.