Marianne Bailey

Partner and Cybersecurity Solutions Lead

Guidehouse

Marianne Bailey is a partner at Guidehouse who leads the Advanced Solutions Cybersecurity practice to provide strategies and solutions which enable Guidehouse clients to manage their cybersecurity risks. Guidehouse’s Cybersecurity offerings include Strategy and Security Architecture, Cyber Resilience, Executive Cybersecurity Support, Incident Prevention and Response, Identity and Access Management (IAM), High Value Asset Management, and Data Protection and Privacy. Marianne and her team bring the power of leveraging other Guidehouse Solutions areas of Artificial Intelligence, Open Source Solutions, Advanced Analytics, Enterprise Risk Management, and Digital & Emerging Technologies as they partner with clients to develop and sustain cyber resilience to mitigate cybersecurity risks against current and emerging threats.

Marianne brings over 35 years of experience across the Department of Defense (DoD), Intelligence community, and civil government sectors. She served as Deputy National Manager for National Security Systems (NSS) and Senior Cybersecurity Executive for the National Security Agency where she was directly responsible for systems across the government containing classified and/or sensitive information. She also served as both Principal Deputy for Cybersecurity and Deputy Chief Information Security Officer (DCISO), Department of Defense, CIO. She received the Distinguished Executive Presidential Rank Award, the highest government civilian recognition, for her contributions to national security. Marianne has lead US cyber policy and technology issues internationally and is well known for her global leadership in cyber. She has received many awards recognizing her efforts to include the Office of the Secretary of Defense Medal for Exceptional Civilian Service, FedScoop’s Top Women in IT and most recently, Washington’s Top 25 Cyber Executives to Watch (2020).

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