William O'Leary | |
|---|---|
 Major General O'Leary in 2020 | |
| Allegiance |  United Kingdom |
| Branch |  British Army |
| Years of service | 1981–2020 |
| Rank | Major General |
| Unit | Royal Electrical and Mechanical Engineers |
| Commands | 103 Battalion REME |
| Awards | Queen's Volunteer Reserves Medal Territorial Decoration |
Major General William O'Leary QVRM TD VR DL is a retired senior British Army Reserve officer who served as Deputy Commander Field Army.
After serving for seven years as a soldier, O'Leary was commissioned as a reserve officer in the Royal Electrical and Mechanical Engineers ('REME') in 1988. [1] He became commanding officer of 103 Battalion REME in 1999, Colonel Regional Forces in 2002 and Colonel Territorial Army Recruiting in 2005. [2] He went on to be Deputy Brigade Commander of 145 (South) Brigade in 2008, Assistant Commander Theatre Troops in 2011 and Assistant Deputy Military Secretary in 2015. [3] After that he became Deputy Commander Field Army in 2018. [4] O'Leary retired from the British Army on 12 March 2020. [5]
He was a Colonel Commandant of the Corps of Royal Electrical and Mechanical Engineers until May 2024, [6] and Honorary Colonel of the 103 Battalion REME Army Reserve until June 2024. [7]
After training as an engineering and sales specialist, O'Leary has worked in international business development with MGI Coutier, an automotive systems manufacturer, since the late 1990s. [2]