Christopher J. Sullivanis E. Desmond Lee Professor of Youth Crime and Violence and new Chair of the Department of Criminology and Criminal Justice at the University of Missouri-St. Louis (UMSL). He has been Co-Editor of theJournal of Research in Crime and Delinquency since 2017. Dr. Sullivan received his doctorate in Criminal Justice from Rutgers University in 2005. He has published numerous articles and book chapters focused mainly on juvenile delinquency, juvenile justice, developmental and life-course criminology, and research and analytic methods. He is author ofTaking Juvenile Justice Seriously: Developmental Insights and System Challenges(Temple University Press, 2019), which was selected as anOutstanding Contribution by the American Society of Criminology’s Division of Developmental and Life Course Criminology in 2020. He is co-author of the 2021 book,Juvenile Risk and Needs Assessment: Theory, Research, Policy, and Practice (Routledge). Dr. Sullivan has been named a250th Anniversary Fellowat Rutgers University and a Fellow of the Graduate School at the University of Cincinnati for his research and has received award recognition for his mentoring and teaching of graduate students and academic service. Since 2000, he has been data analyst or Principal Investigator (PI) on numerous federally or state-funded evaluations of diversion programs, treatment interventions, and juvenile drug courts. He has led research projects on developmental and life-course criminology and juvenile justice topics which were funded by the State of Ohio, National Institute of Justice, and Office of Juvenile Justice and Delinquency Prevention.