John DeCarlo, Ph.D. is a nationally recognized expert in community policing, management, innovation, and leadership in policing. His police career spanned 34 years, including six years as a chief of police. Dr. DeCarlo is a professor and the director of the master's Program in Criminal Justice at the Henry C. Lee College of Criminal Justice and Forensic Sciences at the University of New Haven. He holds a Ph.D. and M.Phil. from the City University of New York Graduate Center. Dr. DeCarlo's research focuses on police contagion shooting, as well as the psychology of violence escalation. His research is varied and has touched many areas of the fields of policing and law enforcement.