Hyisung HwangHyi-Sung Hwang received her M.A. from San Francisco State University, and her Ph.D. from the Center for Psychological Studies of the Graduate School of Human Behavior, Berkeley, CA, 2009. She is a Research Scientist at Humintell, LLC and Visiting Scholar at San Francisco State University. Her research interests are in emotion, nonverbal behaviors, and culture. She is an expert at the Facial Action Coding System and in the conduct of research examining facial expressions and other nonverbal behaviors. She is co-creator of many of the training tools used to teach law enforcement officers, national security personnel, and intelligence agents, as well as individuals in many other professions how to recognize micro and subtle facial expressions of emotion. She has also co-authored numerous scientific articles and book chapters on nonverbal behavior, facial expressions, and culture, and has made presentations of her research nationally and internationally. Read More Read Less