Chris Voss is one of the preeminent practitioners and professors of negotiation skills in the world. He is the founder and principal of The Black Swan Group, a consulting firm that provides training and advises Fortune 500 companies through complex negotiations. He currently teaches at the University of Southern California's Marshall School of Business and Georgetown University's McDonough School of Business, and has lectured at other leading universities, including Harvard Law School, the MIT Sloan School of Management, and Northwestern University's Kellogg School of Management. He is a past Instructor of International Business Negotiation at Harvard University and a retired Federal Bureau of Investigation special agent who was the FBI's lead international kidnapping negotiator from 2003 to 2007.