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Marine Corps Detachment Commander Colonel William Barnes
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U.S. Marine Corps Reserve
Marine Corps Detachment Commander
Joint Enabling Capabilities Command

Colonel William Barnes was born in Oceanside, California in January 1972 and commissioned a Second Lieutenant in the Marine Corps in May 1994. Following completion of The Basic School and Data Systems Officer Course, he was assigned to Communication Electronics Division, Marine Corps Base, Quantico and served as the Information Systems Management Officer and Deputy Director.

In 1998, he transferred to the Marine Corps Reserves to pursue a graduate education and career in the information technology field. In 2007, he was assigned to C4, Headquarters Marine Corps and served as an information assurance action officer. In 2010, he was assigned to Marine Forces Cyberspace Command and served as a cyberspace operations planner during a 15-month active duty mobilization.

Barnes attended the Naval War College during the 2014 academic year and upon graduation returned to Marine Forces Cyberspace Command for a second active duty mobilization through May 2015. He then served as the Officer in Charge of the National Security Agency – Washington (NSA-W) reserve section within Marine Cryptologic Support Battalion (MCSB). In 2016, he served as the Deputy G-9, Marine Forces Reserve and was responsible for establishing an operational cyberspace workforce in the reserve component.

Col Barnes later deployed to Central Command as the Marine Forces Central Command (MARCENT) Liaison Officer to Combined Joint Task Force Operation Inherent Resolve (CJTF-OIR). He returned to Marine Forces Cyberspace Command in 2019 to serve as the Senior Reserve Advisor to the Cyber Technology Officer and Headquarters Section Officer in Charge.

Col Barnes assumed command of the Marine Corps Detachment with the Joint Enabling Capabilities Command in May 2020.

His personal decorations include the Meritorious Service Medal with gold star in lieu of second award and the Navy and Marine Corps Commendation Medal with two gold stars in lieu of third award.

In his civilian career, he is the Senior Director of Global Network Services and Cybersecurity Analytics at Pfizer, Inc. and an Adjunct Instructor of Computer Science at Connecticut College. He holds a Bachelor of Science in Mechanical Engineering and a Master of Science in Operations and Information Technology from Worcester Polytechnic Institute, as well as, a Master of Arts in National Security and Strategic Studies from the Naval War College.

He is married to the former Cari Lee of Hanover, MA. The couple resides in Ledyard, CT with their three children: Samantha, William and Sarina.

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