Joseph C. De Ladurantey is a retired chief of police for the City of Irwindale, California. He has also served as the chief of police of Torrance, California, as the law enforcement liaison for the Los Angeles County District Attorney's Office, and 27 years with the Los Angeles Police Department. With over 40 years in law enforcement, he brings broad street experience and administrative insight into police procedurals. He was senior vice president of Willdan Homeland Solutions, specializing in emergency management training as well as consultation with state and local agencies and the private sector. He has served as adjunct professor of public administration in the Graduate School of Public Administration at Cal State College, Northridge. He is currently a professor of criminal justice at the National University. He holds a bachelor's degree in criminology from Cal State Long Beach and a master's degree in public administration from the University of Southern California. He received a doctorate degree in public administration and public management at the University of La Verne.