O'Donohue graduated from the College of William and Mary and was commissioned in 1984 as a second lieutenant. He graduated from The Basic School at Marine Corps Base Quantico and served as platoon leader in the 2nd Marine Division.[1]
His staff and command assignments include:
- student, Amphibious Warfare School;
- student, Naval Postgraduate School, Ground Structure Planner, Headquarters Marine Corps (1988-1992);
- Company Commanding Officer with 1st Battalion, 2nd Marines (1993-1995);
- Operations Officer, 8th Marine Regiment (1995-1996);
- Operations Officer, Joint Task Force Assured Response and Special Purpose Marine Air-Ground Task Force Liberia (1996);
- Tactics Instructor and Program Director, Amphibious Warfare School (1997-2000);
- Operations Officer, 1st Marine Division (2001-2002);
- student, School of Advanced Warfighting;
- Commanding Officer, 2nd Battalion, 5th Marines (2002-2004);
- Assistant Chief of Staff G-7 / Division Combat Assessment Officer (2004);
- Deputy Branch Head, Secretary of the Defense's Office of Force Transformation (2005-2007);
- Branch Head, Ground Combat Element Branch, Plans, Policies and Operations, Headquarters Marine Corps (2007-2008);
- Assistant Chief of Staff G-3, 1st Marine Division (2008-2009);
- Commanding Officer, 1st Marine Regiment (2009-2010);
- student, National War College;
- Director, Capabilities Development Directorate, Headquarters Marine Corps (2010-2012);
- Deputy Director for Force Management, Joint Staff J-8 (2013), Deputy Chief of Staff for Operations, ISAF Joint Command (2014);
- Commanding General of Marine Corps Forces Cyberspace Command (2015);
- Commanding General, 1st Marine Division (2015-2017);
- Deputy Commandant, Information, Headquarters Marine Corps (2017-2018)
- and Director for Joint Force Development, Joint Staff J-7.
[2]
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United States of America
United States Marine Corps
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