David J. Lieber­man, PhD, is a renowned psy­chother­a­pist and the author of eleven books, includ­ing the New York Times best­sellers Get Any­one to Do Any­thing and Nev­er Be Lied to Again. He has trained per­son­nel in the U.S. mil­i­tary, the FBI, the CIA, and the NSA, and his instruc­tion­al video is manda­to­ry for psy­cho­log­i­cal oper­a­tions grad­u­ates. He teach­es gov­ern­ment nego­tia­tors, men­tal health pro­fes­sion­als, and For­tune 100 exec­u­tives, and has appeared as a guest on more than 300 tele­vi­sion and radio pro­grams, includ­ing the Today show, NPR, The Howard Stern Show, and The View.