| Date of birth | 1909-02-13 | Newcastle, NSW |
| Date and unit at enlistment (ORs) |
1927 |
1st Heavy Brigade, Australian Garison Artillery. |
| Date commissioned |
1931-05-22 |
|
| Date promoted |
1935-07-24 |
Captain. |
| Other units |
1935-10-25 |
Officer commanding 16th Battery. |
| Other units |
1939-10-13 |
Seconded captain 2/2nd Battalion. |
| Date and unit at appointment (Officers) |
1939-10-30 |
Enlisted 2nd AIF. |
| Other |
1940-02-13 |
Arrived Middle East. |
| Other |
1940-03-06 - 1940-04-08 |
Course - Middle East Tactical School. |
| Other units |
1940-09-25 - 1940-10-17 |
Attached 2/1st Battalion. |
| Date promoted |
1940-11-15 |
Major. |
| Other |
1941-06 |
Arrived Middle East. |
| Other |
1941-09-25 |
Changed name from Cohen to Cullen. |
| Other |
1942-03-28 |
Arrived in Ceylon. |
| Other units |
1942-06-11 - 1945-08-28 |
Temporary lieutenant colonel, commanding officer 2/1st Battalion. |
| Date returned to Australia |
1942-08-07 |
Returned to Melbourne. |
| Date promoted |
1942-09-01 |
Lieutenant colonel. |
| Other |
1942-09-21 |
Arrived Moresby. |
| Date returned to Australia |
1943-01-08 |
Returned to Brisbane. |
| Date of honour or award |
1943-12-23 |
Companion of the Distinguished Service Order. |
| Date of honour or award |
1943-12-23 |
Distinguished Service Order. |
| Other |
1944-01-29 |
Attached Headquarters 16th Brigade. |
| Other |
1944-03-14 |
Arrived Moresby. |
| Date returned to Australia |
1944-03-28 |
Returned to Cairns. |
| Other |
1944-03-28 |
Attached Headquarters New Guinea Force. |
| Other |
1944-05-18 - 1944-06-12 |
Attached Headquarters 16th Brigade. |
| Other |
1944-12-15 |
Arrived Aitape. |
| Date returned to Australia |
1945-04-13 |
|
| Other |
1945-04-22 - 1945-06-03 |
Course - Land Headquarters Tactical senior officers. |
| Other |
1945-06-16 |
Arrived New Guinea. |
| Other units |
1945-08-04 - 1945-09-07 |
Attached Headquarters 16th Brigade. |
| Date returned to Australia |
1945-09-19 |
Returned to Cairns. |
| Other |
1945-09-27 |
Reserve of Officers. |
| Date of honour or award |
1946-11-02 |
Bar to Distinguished Service Order. |
| Other units |
1948-04-01 |
Commanding officer 45th Battalion. |
| Other |
1948-12-31 |
Reserve of Officers. |
| Other units |
1955-07-02 |
Temporary Brigadie, commanding 14th Brigade. |
| Date promoted |
1956-07-02 |
Appointed brigadier. |
| Other |
1958-07-02 |
Officers Staff group Eastern Command. |
| Other |
1960-07-01 |
Deputy command 1st Division. |
| Other |
1961-12-01 |
Major general commanding Communucations Zone. |
| Other |
1963-12-01 |
Unattached List. |
| Other |
1966-12-02 |
Retired List. |
| Other |
c 1941-05-19 |
Arrived Greece. |