Bill O'Hern currently serves as Senior Vice President and Chief Security Officer for AT&T. His twenty year career at AT&T has been primarily focused on networking and information security, with a particular focus on innovative security platforms within AT&T's Enterprise, Commercial and Federal Government environments. Bill helped build the first scalable internal Threat Management System currently used by AT&T to monitor and defend its network and computing infrastructure; he is also the lead for our Security Virtualization and Software Defined Network (SDN) approach. In addition, Bill previously had responsibility for our AT&T Security Policy and Requirements, Penetration Testing, Security Architecture and Risk Management functions. He is responsible for the strategic thought leadership and technology evolution of AT&T’s capabilities, primarily focused on leveraging our vast global network and operational capabilities. This includes the migration to our next generation software defined networking efforts as well as our emerging services in iOT and Entertainment.