David Lieberman

David J. Lieberman, Ph.D., is an award-winning author and internationally recognized leader in the fields of human behavior and interpersonal relationships.


Authored twelve published books, including two New York Times Bestsellers, which have been translated into 27 languages and sold more than 4,000,000 copies, worldwide. 

Conducts training for elite FBI profiles, NSA, the United States military, and for police departments and private security firms on six continents; created program that is mandatory for all Psychological Operations (PSYOP) graduates. 

Developed techniques in mediation, negotiation, interview, and interrogation, which are currently in use by governments, corporations, and mental health professionals in more than 35 countries. 

Research and writings have been featured in hundreds of major publications and journals; and appears as a frequent guest expert on national media outlets, including multiple appearances on such shows as The Today ShowThe View, and Fox & Friends and CNN.

Courses from David Lieberman