Dr. John Petro has a PhD in mathematics from the University of Pennsylvania. He served 21 years in the US Air Force, to include five years assigned to Research Directorate at the NSA. Post-AirForce he worked 15 years as an NSA cryptomathematician. In 2007 he joined Envieta Systems as their senior cryptographer, working with engineers to develop secure solutions for both commercial and government customers. John has four crypto-related patents.