Author of 7 books, translated into eighteen languages - with more than one million copies sold worldwide.

DAVID 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 eighteen languages and include two New York Times best-sellers, are used by the FBI, The Department of the Navy, FORTUNE 500 companies, and by governments, corporations and mental health professionals in more than twenty-five countries. He has appeared as a guest expert on more than 200 programs such as, The Today Show, Fox News, and The View, and his works have been featured in publications around the world. He writes a bi-weekly column called "Human Nature 101" for The Jewish Press. He lives in Lakewood, New Jersey, with his wife and children.