Lieutenant Colonel Williamson is originally from Upper Marlboro, Maryland. He graduated from the U.S. Naval Academy (USNA) and was commissioned in the Marine Corps in May 1994.

He reported to Quantico, Viriginia in August 1994, where he attended The Basic School and follow on instruction at the Basic Communication Officer Course.

In 1995, Lieutenant Colonel Williamson reported to Camp Pendleton, CA for duty, where he was initially assigned to 9th Communication Battalion. While with 9th Communication Battalion, he completed assignments as a Wire, Satellite and Data Communications Platoon Commander. In January 1998, Lieutenant Colonel Williamson reported to the 15th Marine Expeditionary Unit (Special Operations Capable) for duty as the Assistant Communications Officer (S-6A) and Joint Task Force Enabler OIC. In June 1998, he deployed with 15th MEU(SOC)/ ESSEXARG on a WESTPAC deployment.

From 1999-2002, Lieutenant Colonel Williamson was assigned to USNA in Annapolis, Maryland. Following completion of the Naval Postgraduate School (NPS) Leadership Education and Development (LEAD) Masters Degree Program, he served as a Company Officer and Naval Leadership/Naval Science Instructor.

In 2002, Lieutenant Colonel Williamson attended the Expeditionary Warfare School (EWS) and C4 Planners Course (C4PC) in Quantico. Upon EWS graduation, Lieutenant Colonel Williamson was honored as a Distinguished Graduate and selected to receive the Colonel Donald C. Cook Award for excellence in Command, Control and Communications.

From 2003-2005, Lieutenant Colonel Williamson was re-assigned to 9th Communication Battalion. He first served as the Support Company Commander, deploying in support of Operation IRAQI FREEDOM (OIF) in 2003. He re-deployed to Iraq in support of OIF II as the Battalion S-3 Operations Officer from August 2004-April 2005.

In July 2005, Lieutenant Colonel Williamson reported to Okinawa, Japan. He first served with 3d Marine Division as the G-6 Operations Officer. In 2006, he was assigned to command the 3d Marine Division Communication Company. Following that assignment, Lieutenant Colonel Williamson served as the III MEF Staff Secretary.

In July 2008, Lieutenant Colonel Williamson attended the Marine Corps Command and Staff College in Quantico. Upon graduation, he was recognized as a Distinguished Graduate and earned a Masters of Military Studies from Marine Corps University.

Lieutenant Colonel Williamson reported for Joint duty with U.S. Special Operations Command (USSOCOM) at Tampa, Florida in June 2009. During that tour, he served in the J6 Communications Systems Directorate, completing assignments as both the Portal & Applications Development and IT Services Support Branch Chiefs. Additionally, in 2010 he deployed to Iraq, serving as the J6, Director of Communications for a Joint Special Operations Task Force.

Lieutenant Colonel Williamson’s academic and professional education includes: Bachelor of Science in Computer Science (USNA, 1994); Masters of Science in Management (NPS, 2000); Expeditionary Warfare School (2003); C4 Planners Course (2003); USMC Command and Staff College (2009); Masters of Military Studies (MCU, 2009); Joint-Combined Warfighting School JPME-II (JFSC, 2009).

Lieutenant Colonel Williamson’s personal decorations include the Bronze Star, Defense Meritorious Service Medal, Meritorious Service Medal (Gold star in lieu of second award), Navy-Marine Corps Commendation, and Navy-Marine Corps Achievement Medal.