Cmdr. Griffin enlisted in the Navy in 1988 immediately following high school graduation and served the first 13 years of his career as an enlisted cryptologic technician. He was commissioned in 2001 through the Limited Duty Officer program as a cryptologic officer. Throughout his career, Cmdr. Griffin has served in a variety of operational and staff assignments. He reported to the U.S. Naval War College in 2016 and is working in the College of Maritime Operational Warfare on the Assist and Assess Team where he serves as the lead for U.S. 10th Fleet.