| Born in 1926 in Hue. | |
| 04/29/1975 | Lieutenant General, Chief of Joint General Staff. |
| 1969 - ? | Lieutenant General, Head of South Vietnamese Military Delegation. |
| 03/1968 - 1969 | Lieutenant General, Director of College of Defense. |
| 10/1966 | Promoted to Lieutenant General. |
| 06/1965 | Promoted to Major General. |
| 08/1964 | Promoted to Brigadier General. |
| 06/1965 - 03/1968 | Major General, II Corps Commander. |
| 1964/1965 | Colonel/Brigadier General, 9th Division Commander. |
| 01/11/1963 | Promoted to Colonel. |
| 11/1963 - 02/1964 | Colonel, Deputy Chief of Staff/Operations, JGS. |
| 1960/1963 | Lieutenant Colonel, Director of Van Kiep Training Center. |
| 1956/1960 | Major, Instructor at Military College. |
| 1955/1956 | Major, attending US Army Command and General Staff. |
| 1954/1955 | Major, 1st Armored Regiment Commander. |
| 1952/1954 | Captain, Armored Company Commander. |
| Infantry-Armored Combined Force of 2nd Division. | |
| 1950-1952 | Lieutenant, Personal Officer of Bao Dai Emperor. |
| 1949/1950 | Graduated of Phu Bai (Hue) Officers School. |
| Graduated of Saint Saumur Armored School (France) |
Nhan Hữu Hiệp