Marvin Karlins received his PhD in Psychology from Princeton University and is currently Professor of Management at the University of South Florida s College of Business Administration. Dr. Karlins consults internationally on issues of interpersonal effectiveness and has also authored twenty-four books, including two national bestsellers, "What Every Body Is Saying"and It s a Jungle in There". He resides in Riverview, Florida, with his wife, Edyth, and daughter, Amber.