David J. Lieberman Ph.D. is an award-winning author and internationally recognized leader in the fields of human behavior and interpersonal relationships. Techniques based on his six books, which have been translated into eighteen languages and include two New York Times bestsellers, are used by the FBI, the Dept. of the Navy, Fortune 500 companies, and by governments, corporations and mental health professionals in more than 25 countries. Dr. Lieberman's work has been featured in publications around the world and he has appeared as a guest expert on more than 200 programs such as: The Today Show, Fox News, PBS, The Montel Williams Show and The View. Dr. Lieberman, who has a Ph.D. in psychology, lectures and holds workshops across the country on a variety of topics. He lives in New Jersey.