His Majesty's Marshal of the Diplomatic Corps is a senior member of the Royal Household of the Sovereign of the United Kingdom. He is the King's link with the diplomatic community in London, arranges the annual diplomatic corps reception by the Sovereign, organises the regular presentation of credentials ceremonies for ambassadors and high commissioners, as well as supervises attendance of diplomats at state events. Marshals generally hold office for ten-year terms and were formerly retired senior military officers, though the last three marshals have been diplomats. The marshal is assisted by the Vice-Marshal of the Diplomatic Corps, the First Assistant Marshal, and other assistant marshals.
Simon Paul Collis, is a former British ambassador to several Middle Eastern countries before retiring from diplomatic service in February 2020.
Peter Salmon Collecott, CMG, was the British Ambassador to Brazil from 2004 to 2008.
Lord Nicholas Charles Gordon-Lennox, the younger son of the 9th Duke of Richmond and his wife, Elizabeth, was a British diplomat, serving as Her Majesty's Ambassador to Spain from 1984 to 1989.
Christopher William Long was a British diplomat. Following his retirement in 1998, Long served as director of the Oxford University Foreign Service Programme from 1999 to 2003.
Sir David Elliott Spiby Blatherwick,, is a retired British diplomat. After joining the Foreign Office in 1964 he served in a number of diplomatic posts in Kuwait, Ireland, Egypt and at the United Nations in New York. He was appointed the British ambassador to Ireland from 1991 to 1995, and ambassador to Egypt from 1995 to 1999. Following his retirement he has served on the boards of a number of organisations.
Sir John Allan Birch was a British diplomat who was knighted in 1993. He was educated at Leighton Park School and Corpus Christi College, Cambridge. Sir John was Ambassador to Hungary until his retirement in 1995.
William Alistair Harrison is His Majesty's Marshal of the Diplomatic Corps. He was previously Governor of Anguilla from 21 April 2009 to 23 July 2013.
Hugh Michael CarlessCMG was a British diplomat, philanthropist and explorer who served in Her Majesty's Diplomatic Service from 1950 to 1985. He is best known for the exploration of Nuristan and the Panjshir Valley along with his friend Eric Newby, which was the subject of Newby's humorous travel book A Short Walk in the Hindu Kush (1958).
Sir Marcus John Cheke was a British diplomat and courtier.
Juliet Jeanne d'Auvergne Campbell CMG is a retired British diplomat and academic administrator.
Sir Peter James Scott Moon was a British diplomat.
Robert Nigel Paul Macaire CMG is a British diplomat who served as UK's Ambassador to Iran from 2018 to 2021.
Sir Anthony Reeve, was a British diplomat and ambassador.
Charles Leonard Booth, was a British diplomat in the second half of the Twentieth century.
Francis Raymond Baker is a British diplomat and civil servant who was Ambassador to Libya from February 2018 to April 2019. He was Ambassador to Kuwait from 2010 to 2014, and Ambassador to Iraq from 2014 to 2017.
Sir Philip Lloyd Thomas, KCVO, CMG is a retired British diplomat.
Sir Roger Blaise Ramsay Hervey, KCVO, CMG is a retired British diplomat.
Sir John Alan Shepherd, is a retired British diplomat.
Ronald Arthur Burroughs was a British diplomat who served as Her Majesty's Ambassador to Algeria between 1971 and 1973. A letter he wrote to Sir James Craig in 1971 concerning The Spanish Ambassador’s Suitcase became the title of a book by Matthew Parris and Andrew Bryson on amusing unofficial letters of diplomacy. In the book Parris states that in ‘diplomatic circles The Spanish Ambassador’s Suitcase despatch is by impute probably the greatest funny of them all’.
