Lieutenant General Lieutenant general (Lt Gen, LTG and similar) is a three-star military rank (NATO code OF-8) used in many countries. The rank traces its origins to the Middle Ages, where the title of lieutenant general was held by the second-in-command on the ...

Sir Simon Vincent Mayall, (born 7 March 1956) is a retired

British Army The British Army is the principal land warfare force of the United Kingdom, a part of the British Armed Forces along with the Royal Navy and the Royal Air Force. , the British Army comprises 79,380 regular full-time personnel, 4,090 Gur ...

officer and a Middle East Adviser at the

Ministry of Defence {{unsourced, date=February 2021 A ministry of defence or defense (see spelling differences), also known as a department of defence or defense, is an often-used name for the part of a government responsible for matters of defence, found in state ...

Early life

Mayall was educated at

St George's College, Weybridge St George's Weybridge is an independent mixed Roman Catholic co-educational Josephite day school in Surrey, taking pupils from 3 to 18. St George's Weybridge is made up of St George's Junior School (3–11) and St George's College (11–18). ...

Balliol College, Oxford Balliol College () is one of the constituent colleges of the University of Oxford in England. One of Oxford's oldest colleges, it was founded around 1263 by John I de Balliol, a landowner from Barnard Castle in County Durham, who provided the ...

(

Bachelor of Arts Bachelor of arts (BA or AB; from the Latin ', ', or ') is a bachelor's degree awarded for an undergraduate program in the arts, or, in some cases, other disciplines. A Bachelor of Arts degree course is generally completed in three or four yea ...

in Modern History, 1979) and King's College London (

Master of Arts A Master of Arts ( la, Magister Artium or ''Artium Magister''; abbreviated MA, M.A., AM, or A.M.) is the holder of a master's degree awarded by universities in many countries. The degree is usually contrasted with that of Master of Science. ...

in International Relations).

Military career

Mayall was commissioned into the

15th/19th The King's Royal Hussars The 15th/19th The King's Royal Hussars was a cavalry regiment of the British Army. The regiment was formed by the amalgamation of the 15th The King's Hussars and the 19th Royal Hussars in 1922 and, after service in the Second World War, it was ama ...

in 1979.Sandhurst Foundation
From 1985 to 1988 he was seconded to the Sultan of Oman's Land Forces. He was operations officer for the 1st Armoured Division in the

Gulf War The Gulf War was a 1990–1991 armed campaign waged by a Coalition of the Gulf War, 35-country military coalition in response to the Iraqi invasion of Kuwait. Spearheaded by the United States, the coalition's efforts against Ba'athist Iraq, ...

. After that he completed a Defence Fellowship at

St Antony's College, Oxford St Antony's College is one of the constituent colleges of the University of Oxford in England. Founded in 1950 as the result of the gift of French merchant Sir Antonin Besse of Aden, St Antony's specialises in international relations, economics ...

studying Turkish security policy. He then became

Commanding Officer The commanding officer (CO) or sometimes, if the incumbent is a general officer, commanding general (CG), is the officer in command of a military unit. The commanding officer has ultimate authority over the unit, and is usually given wide latit ...

1st The Queen's Dragoon Guards 1st The Queen's Dragoon Guards (QDG) is a regiment in the Royal Armoured Corps of the British Army. Nicknamed The Welsh Cavalry, the regiment recruits from Wales and the bordering English counties of Cheshire, Herefordshire, and Shropshire, and ...

in 1997, in which capacity he was deployed to the

British Army Training Unit Suffield The British Army Training Unit Suffield (BATUS) is a British Army unit located at the vast training area of Canadian Forces Base Suffield near Suffield, Alberta, Canada. BATUS is the British Army's largest armoured training facility, and it can ...

and to

Northern Ireland Northern Ireland ( ga, Tuaisceart Éireann ; sco, label=Ulster-Scots, Norlin Airlann) is a part of the United Kingdom, situated in the north-east of the island of Ireland, that is variously described as a country, province or region. North ...

. In 2001 Mayall became

Commander Commander (commonly abbreviated as Cmdr.) is a common naval officer rank. Commander is also used as a rank or title in other formal organizations, including several police forces. In several countries this naval rank is termed frigate captain ...

of 1st Mechanised Brigade, which was subsequently deployed to

Kosovo Kosovo ( sq, Kosova or ; sr-Cyrl, Косово ), officially the Republic of Kosovo ( sq, Republika e Kosovës, links=no; sr, Република Косово, Republika Kosovo, links=no), is a partially recognised state in Southeast Eur ...

. He received the Queen's Commendation for Valuable Service in recognition of his "distinguished services" on the deployment. Mayall was the Deputy Commanding General of the

Multi-National Corps – Iraq Multi-National Corps – Iraq (MNC-I) was a formerly multinational, later U.S. only, army corps created on 15 May 2004, fighting the Iraq War. Its superior body, the Multi-National Force-Iraq (MNF-I) had replaced Combined Joint Task Force 7 on ...

in late 2006 and early 2007, for which he was awarded an Officer of the Legion of Merit by the United States. He was appointed

Assistant Chief of the General Staff Assistant may refer to: * Assistant (by Speaktoit), a virtual assistant app for smartphones * Assistant (software), a software tool to assist in computer configuration * Google Assistant, a virtual assistant by Google * ''The Assistant'' (TV seri ...

in January 2007 and, in 2009, became Deputy Chief of the Defence Staff (Operations). He was appointed a

Companion of the Order of the Bath Companion may refer to: Relationships Currently * Any of several interpersonal relationships such as friend or acquaintance * A domestic partner, akin to a spouse * Sober companion, an addiction treatment coach * Companion (caregiving), a care ...

in the

2010 New Year Honours The New Year Honours 2010 were announced on 31 December 2009 in the United Kingdom, New Zealand, Cook Islands, Barbados, Grenada, Papua New Guinea, Solomon Islands, Saint Lucia, Belize, Antigua and Barbuda, Saint Christopher and NevisSaint Christ ...

, and made Defence Senior Advisor Middle East at the

in May 2011. He was replaced in that role by Lieutenant General Tom Beckett in late 2014, having been appointed a

Knight Commander of the Order of the British Empire The Most Excellent Order of the British Empire is a British order of chivalry, rewarding contributions to the arts and sciences, work with charitable and welfare organisations, and public service outside the civil service. It was established o ...

in the

2014 Birthday Honours The 2014 Birthday Honours were appointments by some of the 16 Commonwealth realms of Queen Elizabeth II to various orders and honours to reward and highlight good works by citizens of those countries. The Birthday Honours are awarded as part of ...

Post-retirement

In 2015, Mayall retired from military service and joined Greenhill & Co., an investment bank, as a senior advisor. On 25 February 2015, he was appointed

Lieutenant of the Tower of London The Lieutenant of the Tower of London serves directly under the Constable of the Tower. The office has been appointed at least since the 13th century. There were formerly many privileges, immunities and perquisites attached to the office. Like the ...

. He retired from that post on 20 August 2021.

References

, - , - {{DEFAULTSORT:Mayall, Simon 1956 births 1st The Queen's Dragoon Guards officers 15th/19th The King's Royal Hussars officers Alumni of Balliol College, Oxford Alumni of King's College London British Army generals British Army personnel of the Gulf War British Army personnel of the Iraq War Companions of the Order of the Bath Knights Commander of the Order of the British Empire Living people Officers of the Legion of Merit People educated at St George's College, Weybridge Recipients of the Commendation for Valuable Service