Assistant Professor, University of Colorado Boulder

I am a criminologist who studies issues related to gangs and criminal groups, crime trends and violence, and incarceration and reentry. I received the BS and MS in Criminology from California State University, Fresno and the PhD in Criminology and Criminal Justice from Arizona State University. I am a co-author of Confronting Gangs: Crime and Community and co-editor of the Handbook of Gangs.


  • 2015–present
    Assistant Professor of Sociology, University of Colorado Boulder