Dana Turner Security Education Systems Dana Turner is a security practitioner based near San Antonio, Texas. Dana has served as a law enforcement officer in several capacities -- including the investigation of business and banking crimes -- and he is celebrating more than 40 years of crime. As a speaker and conference facilitator, Dana has delivered thousands of platform, telephone and Internet presentations. He has designed and participated in continuing education programs offered by state and national banking and credit union associations, state and federal examining and law enforcement agencies -- and state and national security, audit and human resources organizations.