John Costello is the former Deputy Assistant Secretary of Commerce for Intelligence and Security and former Senior Director and Lead, Task Force Two for the Cyberspace Solarium Commission. John previously served as the Director of Strategy, Policy, and Plans and the Senior Advisor to the Assistant Secretary of Homeland Security for Cybersecurity and Communications. Prior to his work at DHS, John served as Congressional Innovation Fellow at the U.S House of Representatives Committee on Oversight and Government Reform. As a member of the U.S. Navy, John served in various positions within the National Security Agency and U.S. Cyber Command.