David Pyrooz is Assistant Professor of Sociology at the University of Colorado Boulder. He is also a faculty associate in the Problem Behavior and Positive Youth Development Program in the Institute of Behavioral Science. He received the BS and MS in Criminology from California State University, Fresno, and the PhD in Criminology and Criminal Justice from Arizona State University in 2012. Prior to joining the Department of Sociology in 2015, he was a faculty member in the College of Criminal Justice at Sam Houston State University. He was the 2015 recipient of the inaugural New Scholar Award from the Academy of Criminal Justice Sciences and the 2016 recipient of the Ruth Shonle Cavan Young Scholar award from the American Society of Criminology. He is the co-author of Confronting Gangs: Crime and Community (Oxford), the co-editor of The Wiley Handbook of Gangs (Wiley-Blackwell), and the author of a National Institute of Justice white paper on the relationship between gang affiliation and restrictive housing in U.S. prisons.