Marcelo Sergio Bergman is Professor of Sociology and Criminology at the National University of Tres de Febrero (UNTREF). He has conducted empirical research on crime for the last twenty years while working in the USA, Mexico, and Argentina. His book More Money More Crime (2018) won the 2019 most outstanding book award by the Comparative and International divisions of the American Society of Criminologists. He has directed many data collection projects and is the founding director of two research centers: PESED (CIDE-Mexico) and CELIV (Argentina).