Associate Professor, University of Cambridge; former Chief Constable of Thames Valley, England
University Trustee Chair Professor of Education, Graduate School of Education and Statistics Department, University of Pennsylvania
Netherlands Institute for the Study of Crime and Law Enforcement (NSCR), Amsterdam (retired from board, 2021)
Former Director of the National Police Foundation and retired Chief of Police, Redlands (CA) Police Department
Former Chief of Milwaukee (WI) Police Department; former Massachusetts Secretary of Public Safety and Police Commissioner; former Chief of Arlington (VA) Police Department
Senior VP of Security, National Football League; retired Chief, Metropolitan Police Department, Washington DC
President, B101/WBEB FM Radio and founder of the Jerry Lee Center of Criminology, University of Pennsylvania.
Emeritus Professor and former Director of the Institute of Criminology, University of Cambridge.
Assistant County Executive Officer Over Public Safety, Santa Barbara (CA); former Chief of Police, Pasadena (CA) Police Department; former director, COPS Office, US Department of Justice
Teresa and H. John Heinz III Professor Public Policy and Statistics at the Heinz School, Carnegie Mellon University.
Founder and Director of Leadership for Justice Innovation, LLC; former Director of the Bureau of Justice Assistance, US Department of Justice
Clarence J. Robinson Professor of Criminology, Law and Society, George Mason University; former Assistant Attorney General, US Department of Justice
Director, Police Executive Programme, University of Cambridge and CEO, Cambridge Centre for Evidence-Based Policing Ltd.
Former Executive Director, Major City Chiefs Association; former Chief of Police, Charlotte Mecklenburg (NC) Police Department
Director and Professor, Center for Drug and Health Studies, Department of Sociology and Criminal Justice, University of Delaware