• American Institute for the Advancement of Forensic Studies
  • Hamline University
  • Hennepin County Attorney, Juvenile Prosecution Division
  • Hennepin County Juvenile Detention Center
  • Hennepin Technical College
  • Falcon Heights Inclusion and Policing Task Force
  • FBI Minneapolis
    • Civil Rights Advisory Group
  • FBI Minneapolis Citizens’ Academy Alumni Association
  • Kingswood Security Consulting
  • Macalester College
  • Metropolitan Breakfast Club
  • Metropolitan State University
  • Minnesota Advisory Committee to the U.S. Commission on Civil Rights
  • Minnesota Department of Public Safety, Office of Justice Programs
  • Minnesota Symposium on Terrorism and Emergency Preparedness (M-STEP)
  • Protect Minnesota (Northstar Public Health Conference on Gun Violence)
  • Rochester Police Department
  • Saint Paul Police Department
  • Twin Cities Organized Retail Crime Association 
  • University of Minnesota
  • US Bank
National and International
  • American Society of Criminology
    • 73rd Annual Meeting, Philadelphia, PA
    • 72nd Annual Meeting, New Orleans, LA
    • 70th Annual Meeting, San Francisco, CA
    • 69th Annual Meeting, Atlanta, GA
  • American Sociological Association
    • 106th Annual Meeting, Las Vegas, NV
    • 105th Annual Meeting, Atlanta, GA
  • Asian Criminological Society
    • 5th Annual Meeting, Mumbai, India
  • Association of Surgeons of Great Britain and Ireland
  • British Society of Criminology
    • 2013 Annual Conference, University of Wolverhampton, UK
    • 2012 Annual Conference, University of Portsmouth, UK
  • Capita’s 3rd National Tackling Gangs and Serious Youth Violence Conference, London, UK
  • Defence Science and Technology Laboratory
  • Eurogang
    • XVII, Michigan State University
    • XVI, Göteborg, Sweden
    • XV, University of Tübingen, Germany
    • XIII, University of Kent, UK
  • Growing Against Violence
  • Haileybury College
  • Illicit Networks
  • Inter-Ivy and Sørensen Memorial Conference, Harvard University
  • International Conference on Outreach WorkCity University of Hong Kong
  • International Network of Analytical Sociologists
    • 9th Annual Conference, Utrecht University, The Netherlands
  • London Communities Policing Partnership (LCP2)
  • Metropolitan Police Service
  • Middlesex University, UK
  • Midwest Sociological Society—North Central Sociological Association 
    • Joint Annual Meeting, Chicago, IL
  • National Gang Crime Research Center, Chicago, IL
    • 16th International Gang Specialist Training Conference
    • 15th International Gang Specialist Training Conference
  • San Francisco Police Department
  • The Stockholm Criminology Symposium
  • University of Cambridge, UK
  • University of Leicester, UK
  • University of Limerick, Ireland
  • University of Northampton, UK
  • University of Oxford, UK
  • Youth Justice Board for England and Wales

Stockholm Criminology Symposium, June 2016

Spring Faculty Conference, Metropolitan State University, March 2015

How Gangs Work

Book launch, University of Leicester, May 2013

American Society of Criminology, November 2013