In 1921 he was appointed commissioner of the Department of the North-West (of Western Australia) based in Broome; as commissioner he recommended a survey of agricultural land at the Ord River, the planting of cotton and the development of the Kimberley region.
In 1946 he was appointed assistant-director of public works, and in 1949 chairman of the Western Australian Transport Board, retiring in 1952.
[1] As a soldier, in World War I he was awarded the Military Cross, and commanded the 9th Field Company in 1917–18.
He had four sisters and two brothers, including Major General Edmund Drake-Brockman (1884-1949) and Lady Deborah Vernon Hackett (1887-1965).
[1] In 1921, he married Henrietta Frances York Jull (1901-1968) in Guildford, Western Australia.