Shannon J. Linning, PhD, is an assistant professor in the School of Criminology at Simon Fraser University. She teaches courses in crime prevention, policing, and research methods. Her research explores how the owners and managers of property can create safer areas by suppressing crime opportunities at and around their properties. She has been invited to speak at international conferences such as the Environmental Criminology and Crime Analysis symposium, the International Association of Professional Security Consultants conference, and the Problem-Oriented Policing annual meeting. Her research appears in academic journals such as Crime Science, Journal of Criminal Justice, and Journal of Quantitative Criminology. She is the co-author of books, including Place Management and Crime: Ownership and Property Rights as a Source of Social Control. She has also co-authored several series about effective crime reduction for the International City/County Management Association's (ICMA) publication, Public Management.

Daniel W. Gerard, M.S., is a retired captain and 32-year veteran of the Cincinnati, Ohio Police Department. Daniel has published articles in both academic and practitioner journals and has served as an invited consultant, speaker, trainer, and instructor for numerous police agencies, universities and organizations throughout the United States and Canada.

John E. Eck, PhD, is an Emeritus Professor of Criminal Justice at the University of Cincinnati. His work spans five decades, working with police agencies around the world, conducting research, and developing thinking tools to aid crime prevention. John is one of the key architects of some of the most widely used crime problem-solving tools, including the SARA model, the crime problem triangle, the CHEERS criteria, and the General Problem-Solving Matrix (GPSM). He received his master's in public policy from the University of Michigan in 1977 and his doctorate in criminology from the University of Maryland in 1994. He has worked for the Police Executive Research Forum (PERF) as its Research Director, the Washington/Baltimore High Intensity Drug Trafficking Area as its Evaluation Director, and at the University of Cincinnati, where he taught courses on police effectiveness, crime prevention, and professional writing. He also carves basalt, granite, and slate in his backyard.