John Costello

Senior Associate (Non-resident), Intelligence, National Security, and Technology Program
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John Costello

John Costello is senior associate of Intelligence, National Security, and Technology Program at the Center for Strategic and International Studies (CSIS). Mr. Costello joined CSIS from the White House, where he served as the first chief of staff and principal architect of the Office of the National Cyber Director (ONCD), the first White House component created since 1988. Prior to his time at ONCD, Mr. Costello served as the deputy executive director of the Cyberspace Solarium Commission, where he led the commission’s work on cybersecurity, resilience, and supply chain security, as well as the commission's legislative efforts. Mr. Costello served as the deputy assistant secretary of intelligence and security at the Department of Commerce. In that capacity, Mr. Costello established the Commerce Department’s intelligence analysis capability and led the department’s information and communications technology and service supply chain analytical and regulatory efforts. Mr. Costello is a U.S. Navy veteran, serving his tours of duty at the National Security Agency as an intelligence analyst and operations officer. While at the National Security Agency, he specialized in foreign adversary cyber, electronic, and information warfare. John has a working professional proficiency in Mandarin Chinese and graduated with honors from the Defense Language Institute.