Christopher Cleary is President of the Military Cyber Professionals Association (MCPA) as well as the Vice President of Global Cyber Practice at ManTech International. Prior to returning to his commercial roots, he served as the Department of the Navy Principal Cyber Advisor (PCA), in this role, he was responsible for advising the Secretary of the Navy, Chief of Naval Operations, and Commandant of the Marine Corps and implementing the Department of Defense Cyber Strategy within the Department of the Navy (DON). Prior to being appointed as the PCA, he was the DON Chief Information Security Officer (CISO) and Director of the DON CIO Cybersecurity Directorate.