James R. "Chip" Coldren, Jr., Ph.D.
Managing Director, Justice Group


Chip Coldren is a justice research expert with over 35 years of research experience in justice system effectiveness, police evaluation, crime prevention, corrections, juvenile justice and restorative justice. Coldren has worked alongside the U.S. Department of Justice and many police departments across the country to study community policing, improve police-community relationships, implement body-worn camera policies and evaluate policing effectiveness. He has assisted police departments in Philadelphia, Las Vegas, Spokane and several other cities.

Coldren is a former Criminal Justice professor at Governors State University. He has both a Ph.D. and an M.A. in Sociology from the University of Chicago and a B.A. in Sociology from Rutgers University.


July 23, 2018

Michael Kofman says, “In terms of establishing viable air defenses against opponents with fifth generation aircraft, it's quite clear how Russia is trying to tackle the problem of stealth."

The National Interest: “War in the Sky: Russia's S-400 vs. America's Stealth F-35 and F-22 (Who Wins?)”

June 18, 2018

Anthony Braga, James Coldren, and Denise Rodriguez write, "Our experimental analyses found statistically significant reductions in complaints and officer use of force reports for treatment officers relative to control officers."

Journal of Criminal Law and Criminology: "The Effects of Body-Worn Cameras on Police Activity and Police-Citizen Encounters: A Randomized Controlled Trial"

November 30, 2017

James Coldren says, "These results support the position that (body-worn cameras) may de-escalate aggression or have a 'civilizing' effect on the nature of police-citizen encounters."

Las Vegas Review Journal: "Editorial: Study Finds That Metro Officers Wearing Body Cameras Receive Far Fewer Complaints"

November 29, 2017

James Coldren says, "They contribute to safety, produce significant efficiencies for police departments and enhance accountability for officers and civilians alike."

Police One: "Study: Police Body Cams Reduce Use-Of-Force Incidents in Nev."

November 28, 2017

James Coldren says, "Our research supports the notion that body-worn cameras produce positive benefits for police departments and the communities that they serve."

Associated Press: "Early Study Gives Vegas Police Body-Cam Program Good Marks"

November 27, 2017

"During a press conference on Monday, James Coldren, of CNA, said the study was the largest and most successful study of body-worn cameras."

Fox 5 Vegas: "Study: Body-Worn Cameras Reduced Metro's Use-Of Force"