The Chief of the Defence Staff (CDS) is the professional head of the British Armed Forces and the most senior uniformed military adviser to the Secretary of State for Defence and the Prime Minister of the United Kingdom. The chief of the defence staff is based at the Ministry of Defence and works alongside the Permanent Under-Secretary of State for Defence, the ministry's senior civil servant. The Chief of Defence is the highest ranking officer to currently serve in the armed forces.
The Chief of the General Staff (CGS) has been the title of the professional head of the British Army since 1964. The CGS is a member of both the Chiefs of Staff Committee and the Army Board; he is also the Chair of the Executive Committee of the Army Board. Prior to 1964, the title was Chief of the Imperial General Staff (CIGS). Since 1959, the post has been immediately subordinate to the Chief of the Defence Staff, the post held by the professional head of the British Armed Forces.
Field Marshal Peter Anthony Inge, Baron Inge, was a senior British Army officer. He was the Chief of the General Staff, the professional head of the British Army, from 1992 to 1994 and then served as Chief of the Defence Staff before retiring in 1997. Early in his military career he saw action during the Malayan Emergency and Operation Banner in Northern Ireland, and later in his career he provided advice to the British Government during the Bosnian War.
Field Marshal Michael John Dawson Walker, Baron Walker of Aldringham, is a retired British Army officer. Commissioned in 1966, he served in Cyprus, Northern Ireland, and in a variety of staff posts in the United Kingdom until 1984. After being given command of a battalion, he was mentioned in despatches for his service during a second tour of duty in Northern Ireland, this time in Derry, and subsequently served a tour on Gibraltar. He was promoted to brigadier, unusually having never held the rank of colonel, and took command of 20th Armoured Brigade in Germany before becoming I Corps chief of staff.
General John Nicholas Reynolds Houghton, Baron Houghton of Richmond, is a retired senior British Army officer and former Chief of the Defence Staff (CDS) of the British Armed Forces. He was appointed CDS in July 2013, following the retirement of General Sir David Richards. He served as Commanding Officer of the 1st Battalion, the Green Howards in Northern Ireland during The Troubles and later became Commander of the 39th Infantry Brigade in Northern Ireland. He deployed as Senior British Military Representative and Deputy Commanding General, Multi-National Force – Iraq during the Iraq War. Later, he became Chief of Joint Operations at Permanent Joint Headquarters and served as Vice-Chief of the Defence Staff until assuming the position of CDS. Houghton retired from the British Army in July 2016, and was succeeded as CDS by Air Chief Marshal Sir Stuart Peach.
General Sir Bernard Charles Tolver Paget, was a British Army officer who served with distinction in the First World War, and then later during the Second World War, when he commanded the 21st Army Group from June to December 1943 and was Commander-in-Chief (C-in-C) Middle East Command from January 1944 to October 1946. He was the senior serving general in the British Army and, in Richard Mead's words, "he was possibly the most talented and well-qualified senior British general never to have held a top active service field command, but his contribution to the development of the Army during the War was nevertheless immense."
Air Chief Marshal Stuart William Peach, Baron Peach, is a British retired senior Royal Air Force officer. After training as a navigator, Peach commanded IX (Bomber) Squadron and then became Deputy Station Commander RAF Bruggen. He was deployed as NATO Air Commander (Forward) in Kosovo in 2000. He went on to be Chief of Defence Intelligence in 2006, Chief of Joint Operations in 2009 and the first Commander of Joint Forces Command in December 2011 before being appointed Vice-Chief of the Defence Staff in May 2013. Peach succeeded General Sir Nick Houghton as Chief of the Defence Staff on 14 July 2016. He succeeded General Petr Pavel as Chairman of the NATO Military Committee on 29 June 2018, serving as such until his retirement from NATO in June 2021.
General Sir Thomas Cecil Hook Pearson, was a senior officer of the British Army who served as Commander-in-Chief of Allied Forces Northern Europe from 1972 to 1974. At the time of his death, he was the oldest living British full general.
General Sir Nicholas Patrick Carter, is a retired senior British Army officer who served as Chief of the Defence Staff from June 2018 to November 2021.
General Sir Mark Alexander Popham Carleton-Smith, is a senior British Army officer who served as Chief of the General Staff from June 2018 to June 2022. He previously served as Director Special Forces and commanded 22 Special Air Service Regiment.
Lieutenant General Sir Thomas Anthony Beckett, is a former British Army officer. He served as Chief of Staff for the International Security Assistance Force in Afghanistan.
Admiral Sir Antony David Radakin, is a senior Royal Navy officer. He was appointed Chief of the Defence Staff, the professional head of the British Armed Forces, in November 2021. Radakin was previously the First Sea Lord, the professional head of the Naval Service from June 2019 to November 2021. He was Chief of Staff, Joint Forces Command, from 2016 to 2018, and the Second Sea Lord and Deputy Chief of the Naval Staff from 2018 to 2019. He was appointed Lord High Constable of England in 2023, and in that role took part in the Coronation of Charles III and Camilla.
Admiral Sir Timothy Peter Fraser, is a retired senior Royal Navy officer who served as Vice-Chief of the Defence Staff from May 2019 to August 2022.
General Sir James Richard Hockenhull, is a senior British Army officer who has served as Commander Strategic Command since May 2022.
General Dame Sharon Patricia Moffat Nesmith, is a senior British Army officer. She has been Vice-Chief of the Defence Staff since June 2024, having served as Deputy Chief of the General Staff from August 2022 to May 2024. She became the first woman to command a British Army brigade in 2014, the first woman to command a British division-level formation in 2021, the first woman to be promoted to lieutenant general in the British Army in 2022 and the first to be promoted to general in 2024.
General Gwyn Jenkins, is a senior Royal Marines officer, who served as Vice-Chief of the Defence Staff from August 2022 to June 2024. He was concurrently appointed Commandant General Royal Marines in November 2022.
Lieutenant General David James Eastman, is a senior British Army officer. He served as General Officer Commanding Regional Command from February 2020 to July 2022, and in June 2024 was appointed as the Deputy Chief of the General Staff.
General Sir Charles Roland Vincent Walker, is a senior British Army officer, who served as Deputy Chief of the Defence Staff from April 2021 until June 2024. He became Chief of the General Staff, the professional head of the British Army, on 15 June 2024.
Lieutenant General Sir Ian John Cave,, is a British Army officer who was Commander Home Command from June 2021 to September 2023. He now serves as the UK Military Representative to NATO and to the European Union.
Lieutenant General Andrew Sean David Harrison, is a retired senior officer in the British Army who served as the Deputy Commander of United Nations Command in South Korea from 2021 to 2023.
