Sir Philip Francis de Zulueta (2 January 1925 – 15 April 1989) was a British diplomat and businessman who served as private secretary for foreign affairs to three successive prime ministers of the United Kingdom.
He was the son of Francis de Zulueta, the Regius Professor of Civil Law at the University of Oxford from 1919 until 1948.
[1] He entered the Diplomatic Service in 1949 and served in Moscow from 1950 to 1952 as private secretary to the Ambassador, Sir David Kelly.
In 1955 de Zulueta was appointed to be a private secretary to the prime minister, Anthony Eden (normally one private secretary is seconded from the Foreign Office; this time there were two, de Zulueta and Guy Millard).
[3] De Zulueta was a member of the Franco-British Council from 1972 and chairman of its British section from 1981.