Gregory Saville is a creator of the SafeGrowth® method for building neighborhoods free of crime and fear. He is a founder and CEO of AlterNation, an international consulting firm leading SafeGrowth® training and development. He is a former police officer and criminologist who consults with police departments in problem-solving and trains police officers in emotional intelligence and problem-based learning. He is also a registered urban planner specializing in Crime Prevention Through Environmental Design - CPTED - especially 2nd Generation CPTED, a concept he co-created with Gerard Cleveland. He has served as legal expert witness in criminal and civil cases regarding criminal target selection and CPTED.
In 1996 he co-founded and is Distinguished Lifetime Member of the International CPTED Association, is co-chair of the Police Society for Problem-Based Learning, and currently serves as a judge with the International Problem-Oriented Policing Herman Goldstein Award program. He has worked as faculty member in criminology at Florida State University, as research professor at the Forensic Science and Public Safety School at the University of New Haven, and as associate adjunct professor at the University of Calgary's Faculty of Environmental Design.