 Moving through positions of acting Counselor (1937); Counselor (1938) he became Minister in 1941.During this period he served with the Foreign Office in missions at Copenhagen, Berlin, Sofia, The Hague, Cairo and Barcelona.In 1943, he was appointed Ambassador Extraordinary and Minister Plenipotentiary to His Majesty the King of Yugoslavia, a post he held until 1946.He was the British Ambassador to China from 1946 to 1950.