General
* 9th of February 1897
† 9th of August 1963
(Royal Marines)
Nickname: Jo
| 1937-12-31 | Brevet Lieutenant-Colonel |
| 1939-04-01 | Temporary Colonel |
| 1941-10-01 | Acting Colonel-Commandant |
| 1941-10-01 | Temporary Brigadier |
| 1943-10-01 | Lieutenant-Colonel |
| 1943-11-12 | Acting Major-General |
| 1946-01-04 | Colonel |
| 1947-01-01 | Major-General |
| 1947-01-01 | Acting Lieutenant-General |
| 1949-05-20 | Lieutenant-General |
| 1951-05-11 | General |
| 1936-04-01 | – | 1939-08-XX | Assistant Secretary to the Committee of Imperial Defence |
| 1939-XX-XX | – | 1946-XX-XX | Senior Assistant Secretary to War Cabinet |
| 1947-XX-XX | – | 1949-XX-XX | Chief Staff Officer to Minister of Defence |
| 1947-XX-XX | – | 1949-XX-XX | Deputy Secretary to Cabinet |
| 1949-05-26 | – | 1952-05-20 | Commandant-General, Royal Marines |
| 1952-07-15 | Retired |