Sir David Geoffrey Manning, is a former British diplomat, who was the British Ambassador to the United States from 2003 to 2007. He authored the so-called "Manning Memo", that summarized the details of a meeting between American president George W. Bush and British prime minister Tony Blair during the run-up to the invasion of Iraq in 2003. Until 2019, he was appointed to the Household of the Duke and Duchess of Cambridge and the Duke and Duchess of Sussex.
Sir Antony Arthur Acland was a British diplomat and a provost of Eton College.
Robert Francis Cornish is a former British diplomat who previously served as the Foreign Office spokesman for Douglas Hurd, Senior Trade Commissioner to Hong Kong, Consul-General to Hong Kong and Macao, head of the Foreign and Commonwealth Office's news department, and Ambassador to Israel.
John Olav Kerr, Baron Kerr of Kinlochard is a British former diplomat and civil servant, and is a crossbench member of the House of Lords. He was a member of the European Convention that first drafted what became Article 50 of the Lisbon Treaty, which came into force in December 2009. He later served for a period as Deputy Chairman of Scottish Power.
Sir Arthur Michael Palliser was a senior British diplomat who served as the Permanent Under-Secretary of State for Foreign Affairs from 1975 to 1982.
Michael Hastings Jay, Baron Jay of Ewelme, is a British politician and former diplomat. He sits as a Crossbench member of the House of Lords, and previously served as Ambassador to France and Permanent Under Secretary at the Foreign and Commonwealth Office.
Roger Mellor Makins, 1st Baron Sherfield, GCB GCMG FRS DL, was a British diplomat who served as British Ambassador to the United States from 1953 to 1956.
Peter Forbes Ricketts, Baron Ricketts, is a retired British senior diplomat and a life peer. He has sat as a crossbencher in the House of Lords since 2016.
Thomas Edward Bridges, 2nd Baron Bridges, was a British hereditary peer and diplomat.
Patrick Richard Henry Wright, Baron Wright of Richmond, was a British diplomat who served as Head of HM Diplomatic Service.
Sir Sherard Louis Cowper-Coles is a British former diplomat. He was the Foreign Secretary's Special Representative to Afghanistan and Pakistan in 2009–2010. After leaving the Foreign Office, he worked briefly for BAE Systems as international business development director. He left BAE Systems in 2013 and is now a Senior Adviser to the Group chairman and the Group Chief Executive of HSBC. He is also President of the Jane Austen Society.
Oliver Charles Harvey, 1st Baron Harvey of Tasburgh was a British civil servant and diplomat.
Sir Nigel Elton Sheinwald is a former senior British diplomat, who served as Ambassador to the United States of America between October 2007 and January 2012. He was appointed "Special Envoy on intelligence and law enforcement data sharing" in September 2014.
Sir Simon James Fraser is a British former diplomat who served as the Permanent Under-Secretary of the Foreign and Commonwealth Office from August 2010 to July 2015, having served as Permanent Secretary of the Department for Business, Innovation and Skills from May 2009 to August 2010. Sir Simon is a Trustee of the Patchwork Foundation, founded by Harris Bokhari. Sir Simon is currently Deputy Chairman of Chatham House and serves as Adviser to the Europe Programme. He is also Managing Partner of Flint Global.
Sir Mark Justin Lyall Grant, is a former senior British diplomat who was previously the United Kingdom's National Security Adviser and Permanent Representative of the United Kingdom to the United Nations.
Sir Simon Lawrance Gass is a British civil servant. Since 2019, he has chaired the Joint Intelligence Committee and he also served as the British Prime Minister's representative on Afghanistan from 2021 to 2022 concurrently. Between 2018 and 2019, he was the Commandant of the Royal College of Defence Studies. During his diplomatic career, he served as British ambassador to Greece and to Iran. In May 2023, it was announced he was stepping down as Chairman of the Joint Intelligence Committee and succeeded by Madeleine Alessandri.
Sir John Alexander Noble Graham, 4th Baronet, was a British diplomat who was ambassador to Iraq, Iran and NATO.
Sir Timothy Earle Barrow is a British diplomat who served as Permanent Representative of the United Kingdom to the European Union from 2017 to 2020 and as the British Ambassador to the European Union from 2020 to 2021. He currently serves as National Security Adviser.
Simon Gerard McDonald, Baron McDonald of Salford, is a British former diplomat who was the Permanent Under-Secretary at the Foreign and Commonwealth Office and Head of the Diplomatic Service until September 2020. He was the last professional head of the Foreign & Commonwealth Office before the creation of the Foreign, Commonwealth and Development Office. He has been the Master of Christ's College, Cambridge, since September 2022.
Sir Clive Alderton is a British diplomat and courtier who has served as Private Secretary to King Charles III and Queen Camilla since 8 September 2022. As Private Secretary to the Sovereign, he is the senior operational member of the Royal Households of the United Kingdom. In this role, he took part in the 2023 Coronation. He is the 25th holder of the office of Private Secretary since its inception in 1805.
