Sinziana Oncioiu is a doctoral student in Public Health Epidemiology at the University of Bordeaux. Her research focuses on the role of early childhood education and care on peer-victimization development in a life course perspective. Sinziana is a pharmacist with a Master’s degree in Public Health Epidemiology from Karolinska Institute (Sweden). Previously she worked as a trainee for the European Commission and the European Society for Prevention Research. Sinziana has a strong interest in causal inference, intervention research, and the uptake of scientific evidence into policymaking.