Lieutenant Colonel Wi, a native of Los Angeles, California, enlisted in the Marine Corps Reserves as a field radio operator in July 2006. Upon completion of Recruit Training, Marine Combat Training, and Field Radio Operators Course, he reported to N Battery, 5th Battalion, 14th Marine Regiment. He attended Officer Candidates School in June 2007, commissioned, and completed Basic Communications Officer Course in December 2008.
In January 2009, Second Lieutenant Wi reported to 7th Communication Battalion on Okinawa, Japan where he performed duties as a Platoon Commander, Company Executive Officer, and Battalion S-3A. In April 2010, he was reassigned to III Marine Expeditionary Force, Command Element, G-6 for duties as the Officer-in-Charge (OIC), MAGTF Network Operations Center. In July 2011, First Lieutenant Wi reached his end of active service and transferred to the Marine Corps Reserves.
First Lieutenant Wi promoted to Captain while in the inactive ready reserve and joined Third Air Naval Gunfire Liaison Company (3d ANGLICO) in November 2011. After completing Field Artillery Officer Basic Course at Fort Sill, Oklahoma, Captain Wi returned to 3d ANGLICO and mobilized in May 2014 for duties with Georgia Liaison Team-ISAF Rotation 14 on Bagram, Afghanistan. Captain Wi returned to 3d ANGLICO, promoted to Major, and led a Brigade Platoon.
Major Wi mobilized in August 2020 for duties as Deputy OIC, Security Cooperation Team Jordan and returned to 3d ANGLICO in August 2021 for duties as the Operations Officer. In July 2023, Major Wi transferred to Marine Corps Advisor Company B in Concord, CA as a Deputy Team Leader and was promoted to his current rank in 2024.
Lieutenant Colonel Wi is a graduate of the Expeditionary Warfare School, Marine Corps Command and Staff College, and Joint and Combined Warfighting School. He works as a Cyber Engineer.