Andy Mills is a lieutenant in the San Diego Police Department where he has practiced, supervised, and taught problem-oriented policing since it was first introduced to his agency in the early 1990’s. Mills has managed one patrol team that won the Herman Goldstein Award for Excellence in Problem-Oriented Policing and three other teams that were finalists. His work in the field has been included in several publications produced by PERF and the COPS Office. Mills was the 2000 recipient of the Police Executive Research Forum’s national Gary P. Hayes award for his contributions to improving the quality of police service. Mills has published articles on police leadership, problem-solving and police ethics in Problem Solving Quarterly, Law Enforcement News and several National Institute of Justice publications. He frequently lectures at conferences and has provided training to scores of police agencies, including agencies in Washington, D.C., Houston, Chicago, Los Angeles, and Rio de Janeiro. He has also taught for the University of Delaware police leadership program.