Debra Lieberman is an associate professor of psychology at the University of Miami. She earned her Ph.D. at the University of California Santa Barbara at the Center for Evolutionary Psychology. The central goal of Debra’s research is to understand how evolution has shaped the social mind. Dr. Lieberman studies a range of topics, including kin detection, cooperation, mate choice, disgust, and morality. Most recently, Dr. Lieberman has been researching gratitude and its role in the formation of cooperative relationships, as well as the role disgust plays in social policy and law. She is co-author of the book Objection: Disgust, Morality, and the Law, to be published in 2018 by Oxford University Press.