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Aaron Bishop
Chief Information Security Officer
Department of War, Office of the Chief Information Officer
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Mr. James Aaron Bishop is a politically appointed member of the Senior Executive Service and the Department of War Chief Information Security Officer (CISO). In this role, he is responsible for advising the Chief Information Officer and senior officials on cybersecurity strategy, cybersecurity policy, cybersecurity programs and cybersecurity oversight of the Department. He oversees risk management and cybersecurity accountability for information systems, weapon systems and operational technology supporting military cyberspace operations. His portfolio includes policy and governance of the defense industrial base, cyber supply chain risk management, compliance, and cybersecurity capabilities.
Prior to this role, Mr. Bishop was a career member of the Senior Executive Service and the CISO for the Department of the Air Force. He has also held executive leadership positions in industry with the Science Applications International Corporation (SAIC) as Vice President of Enterprise Business Transformation and Chief Architect, and later the Chief Information Security Officer. Prior to SAIC, Mr. Bishop was the General Manager of Microsoft Corporation’s National Security Group. He was responsible for providing consultation and support services to National Intelligence, Military Intelligence, U.S. Special Operations, the Department of Justice, Department of Energy and the Department of Homeland Security. Prior to Microsoft, Mr. Bishop was the Chief Technologist at Keane Federal Systems and Chief Technology Officer of ANSTEC, Inc. Mr. Bishop is a veteran having served honorably in the United States Navy.
Mr. Bishop earned a Bachelor of Science in General Studies from Northwestern State University and a Master of Science in Cybersecurity in Management and Policy from the University of Maryland Global Campus. Mr. Bishop holds a variety of professional certifications.
As of August 25, 2026