Dr Sheryl Chua is a lecturer at the Singapore University of Social Sciences (SUSS), Public Safety and Security Programme. Prior to joining SUSS, she had 5 years of experience as a psychologist, working in both the public and private sectors. She is a certified para-counsellor and is trained in critical incident stress management (CISM), suicide first aid and psychological first aid. Her research interests include crisis leadership, critical incident management, organisational psychology, and the psychology of perpetrators/victims.