Pekka Santtila is Professor of Psychology and Global Network Professor at New York University (Shanghai). His current research is focused on improving the quality of investigative interviews using simulated interviews with Avatars. Professor Santtila is also conducting research on the interaction between disgust and sexual arousal. He has provided investigative advice to the police, acted as an expert witness in numerous legal cases and consulted child sexual abuse investigations. He is a licensed psychologist and specialist in legal psychology (Finland).