David J.
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.. military, the FBI, the CIA, and the NSA, and his instructional video is mandatory for psychological operations graduates.
He has trained personnel in the U.
S.
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.
David J