Mr. Mark T. Lagier assumed duties as the Director, Fleet Training, U.S. Pacific Fleet in November 2014.

Lagier is a native of Susanville, California. He attended Oregon State University, earning a Bachelor of Science degree in Civil Engineering in 1983. He was commissioned as an ensign in the Civil Engineer Corps and served his initial tour of duty as the assistant residence officer in charge of construction at Naval Station Guantanamo Bay, Cuba.

Following a tour of duty as a company commander at the Naval Construction Training Center in Port Hueneme, California, he reported to Pensacola, Florida and earned his wings of gold as a naval aviator in 1988. His initial assignment to the Golden Eagles of VP-9 at Moffett Field, California spanned multiple deployments to the Western Pacific including Kadena, Japan; Misawa, Japan; and Adak, Alaska.

While on active duty, he served as the operations officer for Tactical Air Control Squadron (TACRON) 22 and deployed as the TACRON Detachment officer in charge with the Nassau Amphibious Readiness Group to support operations in Bosnia, and was also assigned as the officer in charge of the Aircrew Coordination Training school in Pensacola, Florida where he dual-hatted as an instructor with the Warbucks of VT-4.

Serving under a reserve commission, he was employed as a highway engineer with the State of California when his reserve detachment was mobilized to the U.S. Pacific Fleet following the terrorist attacks of 9/11. He served in a variety of ops billets before being recalled to permanent active duty. From 2007 to 2010, he served as the deputy and chief of current operations at U.S. Pacific Command. From 2010 to 2014, he served as the fleet warfare officer and director of operations at U.S. Pacific Fleet. After retiring in September 2014, he accepted a civilian government service position in November 2014.

Lagier holds a Master of Science degree in Aeronautical Engineering from the Naval Post Graduate School in Monterey, California, and attended the U.S. Army Command and General Staff College in Ft. Leavenworth, Kansas.