Sir Jeremy Quentin Greenstock is a British retired diplomat,active from 1969 to 2004.
Sir Ivor Anthony Roberts is a retired British diplomat and the former President of Trinity College,Oxford. He was previously British Ambassador to Yugoslavia,Ireland,and Italy. He was knighted in 2000. In addition to his British citizenship,he is now an Irish citizen.
Sir Crispin Charles Cervantes Tickell was a British diplomat,environmentalist,and academic.
The Downing Street memo,sometimes described by critics of the Iraq War as the smoking gun memo,is the note of a 23 July 2002 secret meeting of senior British government,defence and intelligence figures discussing the build-up to the war,which included direct reference to classified United States policy of the time. The name refers to 10 Downing Street,the residence of the British prime minister.
Sir Matthew John Rycroft is a British civil servant and diplomat serving as Permanent Under-Secretary of State at the Home Office since 2020,appointed following the resignation of Sir Philip Rutnam. Rycroft previously served as Permanent Secretary at the Department for International Development (DFID) from 2018 to 2020 and as the Permanent Representative to the United Nations in New York from 2015 to 2018.
On 18 September 2004 the British Daily Telegraph ran two articles titled "Secret papers show Blair was warned of Iraq chaos" and 'Failure is not an option,but it doesn't mean they will avoid it' by reporter Michael Smith,revealing the contents of six leaked British government documents –labelled "secret" or "confidential" –concerning the lead-up to the war in Iraq.
The Bush–Blair 2003 Iraq memo or Manning memo is a secret memo of a two-hour meeting between American President George W. Bush and British Prime Minister Tony Blair that took place on 31 January 2003 at the White House. The memo purportedly shows at that point,the administrations of Bush and Blair had already decided that the invasion of Iraq would take place two months later. The memo was written by Blair's chief foreign policy adviser,David Manning,who participated in the meeting.
Jonathan Nicholas Powell is a British diplomat and civil servant. In November 2024,he was announced as the UK National Security adviser,serving in Downing Street under British prime minister Keir Starmer. He previously served as the second Downing Street Chief of Staff,under British prime minister Tony Blair from 1997 to 2007. He was the only senior adviser to last the whole period of Blair's leadership. During this period Powell was also the chief British negotiator on Northern Ireland.
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.
Sir Robert John Sawers FRUSI is a British intelligence officer,diplomat and civil servant. He was Chief of the Secret Intelligence Service (MI6),a position he held from November 2009 until November 2014. He was previously the British Permanent Representative to the United Nations from August 2007 to November 2009.
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 Walter Kieran Prendergast is a British retired diplomat who was Under-Secretary-General for Political Affairs at the United Nations.
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 Chair of Chatham House,having previously served as Deputy Chair from 2016 to 2022. He is also a Founding Partner of Flint Global.
Francis Martin-Xavier Campbell is a British diplomat and academic. Since January 2020,he has been the Vice-Chancellor of the University of Notre Dame Australia. From 2014 to 2020,he was the Vice-Chancellor of St Mary's University,Twickenham. From 2005 to 2011,he was the British Ambassador to the Holy See. He is an Honorary Fellow of St Edmund's College,Cambridge.
Mark Philip Sedwill,Baron Sedwill,is a British diplomat and senior civil servant who served as Cabinet Secretary and Head of the Home Civil Service to Prime Ministers Theresa May and Boris Johnson from 2018 to 2020. He also served as the United Kingdom National Security Adviser from 2017 to 2020. He was previously the United Kingdom's Ambassador to Afghanistan from 2009 to 2010 and the NATO Senior Civilian Representative in Afghanistan in 2010. He was the Permanent Under-Secretary of State at the Home Office from February 2013 to April 2017.
Sir Julian Beresford King is a British diplomat and civil servant who served as the final British European Commissioner from 2016 to 2019 prior to Brexit,having previously served as the British ambassador to Ireland (2009–2011) and France (2016).
Sir Simon Lawrance Gass is a British civil servant. He chaired the Joint Intelligence Committee from 2019 to 2023 and 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 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 served as National Security Adviser from 2022 to 2024.
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.
