Jon M. Shane is an Assistant Professor in the Department of Law, Police Science, and Criminal Justice Administration. He retired from the Newark Police Department after 20 years as a captain. The Newark Police Department, comprised of approximately 1,600 sworn personnel, is the largest municipal police agency in New Jersey and one of the largest agencies in North America. His assignments included patrol, anti-crime, research and planning (as executive officer); while a lieutenant he served as a precinct tour commander and during his years as a sergeant held such diverse positions as homicide unit supervisor, fugitive apprehension unit supervisor, and special assistant to the police director. As a commanding officer, then-Capt. Shane assumed command of several divisions, including two police precincts; the Management Information System (MIS); the Office of Policy and Planning, and the Command Operations Center. Professor Shane has also worked with law enforcement agencies across the country developing policy, conducting performance audits, and research and management studies to measure performance. His work includes serving as a staff member to the Newark mayoral public safety transition team; as a GIS/public safety consultant to the Essex County (NJ) College Police Academy; and as a staff member to the New Jersey Attorney General’s Office—Camden Commission for Public Safety. Dr. Shane has published in leading professional journals, including the FBI LAW ENFORCEMENT BULLETIN and The Police Chief. He is the author of What Every Chief Executive Should Know: Using Data to Measure Police Performance (2007, Looseleaf Law Publications). With a foreword by Chief William J. Bratton, Los Angeles Police Department, the book is widely regarded as the seminal text on how to use data to measure police performance and why performance management is beneficial to the agency. A companion guide entitled Developing a Performance Management Model is available to help mid-level managers and supervisors implement the concepts described in What Every Chief Executive Should Know. Dr. Shane is a graduate of the 193rd session of the FBI National Academy and a graduate of the 25th session of the Senior Management Institute for Police (SMIP) held by the Police Executive Research Forum at Harvard’s John F. Kennedy School of Government. He also holds a certification in non-profit management from Rutgers Graduate School of Public Administration. Prior to coming to John Jay College, he was a lecturer at Rutgers University—Newark campus and at Fairleigh Dickinson University—Teaneck (NJ) campus, where he taught courses in policing and criminal justice. He is currently a senior research associate for the Police Foundation, Washington, D.C. and a subject matter expert for the Center for Problem Oriented Policing.