David J. Lieberman, Ph.D., is an award-winning author and internationally recognized leader in the field of human behavior and interpersonal relationships. Techniques based on his seven books, which have been translated into 19 languages and include two New York Times bestsellers, are used by the FBI, The Department 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 & Friends, PBS, The O’Reilly Factor, NPR, and The View. Infusing Torah wisdom into the psychological process, Dr. Lieberman lectures and holds workshops on a variety of subjects across a spectrum of audiences--frum and kiruv-oriented, alike. He writes a bi-weekly column called Human Nature 101 for The Jewish Press, and lives in Lakewood, New Jersey with his wife and children.