Shelly Hagen is the author of several books, including Body Language Basics. She holds degrees in nursing and psychology, and has extensive experience working with experts in the field of medicine and behavioral studies.
About the Technical Reviewer:
Joseph A. DeVito, PhD received his doctorate in communication from the University of Illinois. He has written extensively on psycholinguistics, interpersonal communication, and nonverbal communication and is the author of widely used textbooks in communication and public speaking. Dr. DeVito has taught a wide variety of communication courses at Queens College and Hunter College and is currently Professor Emeritus, Hunter College.