Skip Navigation
Skip to Menu Toggle Button

Ray Letteer

Ray Letteer

Compliance Branch Deputy Chief (Cybersecurity and SISO), Marine Corps Authorizing Official

Biography

Ray A. Letteer, D.Sc, is currently the Deputy, Compliance Branch/Cybersecurity (ICC/CY) in the Command, Control, Communications, and Computer Division (IC4), Deputy Commandant – Information (DC I), Headquarters, U.S. Marine Corps. He is responsible for and oversees all cybersecurity policies, tasks, standards, and conditions within the Marine Corps, which includes Computer Network Defense (CND), Defensive Cyber Operations (DCO), Public Key Infrastructure (PKI), Smart Card management (Common Access Card, Tokens), Identity Management, Electronic Key Management Systems (EKMS)/Key Management Infrastructure (KMI), and Authorization & Approval (A&A) under the Risk Management Framework (RMF). Letteer has been with HQMC IC4 for over 18 years and has over 38 years of cybersecurity experience, working in DoD, the Intelligence Community, and in Federal Civil Agencies.

Letteer received both his Doctor of Science (D.Sc.) in Information Assurance and Master of Science in Network Security from Capitol Technology University. He has a Bachelor of Arts in political science from the University of Maryland Global Campus, a graduate certificate in Systems Management from the University of Southern California, and a Post-Graduate Intelligence Program Diploma in Strategic Intelligence from the National Intelligence University.

He is a graduate of the Federal Executive Institute's Leadership for a Democratic Society program. He is also the lead author of The Transitioning Military Cybersecurity Professional. Prior to his arrival in the Marine Corps in 2003, Letteer worked in private industry as a federal contractor with Booz Allen Hamilton from 1994 to 1997, and SAIC from 1997 to 2003. He supported a variety of government clients in IA and systems security, including the Department of the Navy, the state of Maryland, the Defense Information Systems Agency, and the Department of the Interior. He was one of the key developers of the DoD IT Security Certification & Accreditation Process (DITSCAP).

Letteer honorably served from 1973 to 1994 in the intelligence, security, and cybersecurity fields in the U.S. Air Force Security Service, and later in the Electronic Security Command. Letteer is a Certified Information System Security Professional (CISSP), a Certified Chief Information Security Officer (C|CISO), NSA Information Assurance Methodology (NSAIAM) certified, Information Technology Infrastructure Library (ITIL) certified, and a Certified SCRUM Product Owner. He is Acquisition Level 1 Certified and an Associate member of the American Bar Association, participating on the Science & Technology Committee. Letteer was an adjunct faculty member of the National Cryptologic School at NSA, teaching operational information system security, was an adjunct faculty member of Capital Technical University in Laurel, Maryland, teaching courses in the doctoral Cybersecurity program and where he was a dissertation Chair for seven doctoral candidates, and was an adjunct faculty member of Utica College, teaching in the Cybersecurity program.

Contact Us

Our helpful admissions advisors can help you choose an academic program to fit your career goals, estimate your transfer credits, and develop a plan for your education costs that fits your budget. If you’re a current UMGC student, please visit the Help Center.

Personal Information
Please provide your First Name.

Please provide your Last Name.

Contact Information
Please recheck your email address.
Please provide a valid E-Mail Address.

Numbers only, between 10-15 digits.
Phone required

International numbers, start with a plus sign (+) & country code

Please provide a valid ZIP Code or APO/FPO.

Additional Information

By submitting this form, you are giving your express written consent without obligation for UMGC to contact you regarding our educational programs and services using e-mail, phone, or text, including automated technology for calls and/or texts to the mobile number(s) provided. For more details, including how to opt out, read our privacy policy or contact an admissions advisor.