Major General William H. Seely III was born in Saigon, Vietnam. He graduated with a Bachelor’s Degree from American University, Washington D.C. and was commissioned through NROTC George Washington University (1989). He holds Master’s Degrees from Oklahoma State University, National Intelligence University, and the Naval War College (With Distinction).
Major General Seely’s command leadership assignments include: Comm Platoon Commander, H&S Company, 3d Reconnaissance Battalion, (1990-92), Company Commander, India Company, Marine Cryptologic Support Battalion, Kunia Hawaii (2000-02), Battalion Commander, 3d Reconnaissance Battalion, 3d Marine Division (2006-08), Commander, Marine Corps Intelligence Schools, Training Command (2011-13) and Commander, Task Force-Iraq (TFIraq), CJTF-Operation Inherent Resolve (2019-20).
His staff assignments include: S-2, 3d Reconnaissance Battalion, (1992-93); S-2A and S-2, Marine Air Group-36, (1993-95); S-2, Special Purpose Marine Air-Ground Task Force Belleau Wood, Mogadishu, Somalia (1994-95); S-2A/S-2, 11th Marine Expeditionary Unit (Special Operations Capable), 1996-00; Deputy G-2 and G-2 Operations Officer, Marine Forces Central (FWD) Command (2002-03); Regional Terrorism OIC, J2 Counter-Terrorism Branch, (2004-05) and Deputy Director for Intelligence, Joint Intelligence Center, US Central Command (2005-06), Director, Intelligence Integration Division, Combat Development and Integration, MCCDC (2010-11), A/COS for Intelligence (G-2), Marine Corps Forces Command (2013-14), Chief of Staff, Marine Corps Forces Cyberspace (2015), and Intelligence Director (J-2), Combined Joint Forces Land Component Commander-Iraq (CJFLCC-I) (2015-16). As a General Officer, he served as the Marine Corps Director of Intelligence (2016-17), Marine Corps Director of Communication (2017-19) and Commander, Task Force-Iraq (TF-Iraq), CJTF-Operation Inherent Resolve (2019-20).
Major General Seely’s operational deployments include UNITED SHIELD Mogadishu, Somalia, USS Belleau Wood (1994-95), SOUTHERN WATCH / INTRINSIC ACTION / DESERT THUNDER Kuwait (1996-98) USS Essex/USS Tarawa, SAFE DEPARTURE Eritrea NEO (1998) USS Tarawa, STABILISE East Timor HAO (1999) USS Peleliu, ENDURING FREEDOM Bahrain/Kuwait (2002-03), IRAQI FREEDOM Iraq (2005, 06-07, 08) and INHERENT RESOLVE Iraq (2015-16, 19-20). Major General Seely’s personal military decorations include: the Defense Superior Service Medal, Legion of Merit with Gold Star, the Bronze Star with two Gold Stars and “Combat V”; the Defense Meritorious Service Medal with two Oak Leaf Clusters; the Meritorious Service Medal with Gold Star; the Joint Service Commendation Medal; the Navy and Marine Corps Commendation Medal with two Gold Stars; the Navy and Marine Corps Achievement Medal; and the Combat Action Ribbon.