Dave Patterson, CPP, PSP, CFE, CHS-III

Associate Consultant

Mr. Patterson has over 30 years of international experience as a corporate safety and security consultant for Fortune 500 companies, schools, and governments.  He is a recognized author and lecturer with the ASIS International Council on Physical Security in the areas of anti-terrorism, security systems integration, safety, workplace violence, and business continuity planning. He speaks at seminars and writes articles for the CPM Group, an international business continuity organization.  He has also served on the faculty for the Physical Security Professional (PSP) Certification program and he has developed online courses and study materials for this program. 

 Mr. Patterson is a recognized expert in the fields of safety, security, loss prevention, emergency management and business continuity.  He specializes in the anticipation, recognition, and prevention of crime committed on properties.  He consults with business owners and managers, school administrators, security managers, and police on how to reduce risks.  He is the author of the book Implementing Physical Protection Systems A Practical Guide, which is widely used as a reference text for the PSP certification program and the International Association of Professional Security Consultants (IAPSC). He also authored a book entitled "Study Guide for the Physical Security Professional Certification Program".  In addition, he has published numerous magazine articles on security and frequently speaks at seminars and workshops on current security and business continuity topics.


Praetorian Protective Services LLC



8 Estabueno Drive

Orinda, CA 94563

(925) 376-7169