Engineering and Expeditionary Warfare Center

Executive Officer

Captain Matthew Riethmiller

Captain Matthew Riethmiller reported to Naval Facilities Engineering and Expeditionary Warfare Center (NAVFAC EXWC) as the Executive Officer in June 2019.  

A native of Columbus, Ohio, CAPT Riethmiller began his naval career in 1996 as the Assistant Public Works Officer (APWO) at Naval Air Station Meridian, MS. In 1998, he transitioned to Assitant Resident Officer-in-Charge of Construction, Northern Italy and managed construction of the Combined Allied Air Operations Center in direct support of OPERATION ALLIED FORCE.

Assigned to Naval Mobile Construction Battalion (NMCB) THREE in 2001, he served concurrently as Air Detachment Officer in Charge and Charlie Company Commander for deployments to Europe and Asia. In July 2003, he was selected as Aide to Commander, First Naval Construction Division (1 NCD), serving in OPERATION IRAQI FREEDOM II. Following graduate school, he served as Assistant Public Works Officer for Norfolk Naval Station, Va., directing over $1B in public works services, and named 2006 NAVFAC Mid-Atlantic Engineer of the Year.

In 2007 he was selected as Operations Officer (S3) for the pre-commission Naval Mobile Construction Battalion (NMCB) ELEVEN, deploying in 2009 in support of five Combatant Commanders to Europe, the Caribbean, Africa, and Asia, including personally deploying in support Of U.S. Forces Afghanistan in support of OPERATION ENDURING FREEDOM. In August 2009, he transitioned to the Chief of Naval Operations’ staff as Energy Action Officer in the Shore Readiness Division (OPNAV N46), programming over $4B in facility energy improvements for Navy installations as part of the Presidential budget submissions PB-11, 12, and 13.  In 2011, he moved to Assistant Operations Officer and Integrated Product Team Blue Lead for NAVFAC Washington, managing $1.4B in construction and design projects. In 2013, he was assigned as Public Works Officer for the Naval Base Coronado Complex, managing 2,900 facilities with a plant value of $7 Billion.  From May 2015 until July 2017, he served as Commanding Officer of NMCB FIVE through two PACOM deployments and the unit was recognized with a “Battle E”.  From July 2017 until June 2019, he served as the Operations Officer for NAVFAC Europe, Africa and Southwest Asia.      

CAPT Riethmiller holds a Bachelor’s degree in Civil Engineering from The Ohio State University and a Master’s degree in Environmental Engineering from Old Dominion University.  He is a Seabee Combat Warfare qualified Officer, a Registered Professional Engineer in the state of North Carolina, and a member of the Department of Defense Acquisition Professional Community (APC).  His awards include the Meritorious Service Medal (5 awards), the Navy Commendation Medal (six awards, one with “V” valor distinction), the Joint Service Achievement Medal, the Navy Achievement Medal (2 awards), the Combat Action Ribbon, and most proudly numerous unit awards.


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