Dr. Ahn is an Associate Professor of Software and Information Systems Department at UNC Charlotte and Director of Center for Digital Identity and Cyber Defense Research and Laboratory of Information Integration, Security and Privacy which have been designated as a National Center of Academic Excellence in Information Assurance Education by National Security Agency and Department of Homeland Security. His principal research and teaching interests are in information and systems security. His research foci include vulnerability and risk management, access control, and security architecture for distributed systems. His research has been supported by NSF, NSA, DoD, DoE, Bank of America, Hewlett Packard, Microsoft and Robert Wood Johnson Foundation. Dr. Ahn is an IEEE Senior member and ACM Senior member. And he currently serves as an information director of ACM Special Interest Group on Security, Audit and Control (SIGSAC). In addition, Dr. Ahn is a recipient of Department of Energy CAREER Award and the Educator of the Year Award from the Federal Information Systems Security Educators' Association (FISSEA).