G. Richard Shellis the Thomas Gerrity Professor of Legal Studies, Business Ethics, and Management at Wharton and author of the award-winning Bargaining for Advantage: Negotiation Strategies for Reasonable People. Mario Moussateaches at the Wharton School and is a principal of CFAR Inc., a management consulting firm, where he counsels clients on organizational change, negotiation, and persuasion. The authors co-direct the Wharton Strategic Persuasion Workshop.