| Regimental number | 4549 |
| Place of birth | Pialba Queensland |
| Religion | Church of England |
| Occupation | Shearer |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Brother, Paul Petersen, Cambridge Street, Caulfield, Victoria |
| Enlistment date | 20 March 1915 |
| Date of enlistment from Nominal Roll | 20 March 1916 |
| Rank on enlistment | Private |
| Unit name | 23rd Battalion, 11th Reinforcement |
| AWM Embarkation Roll number | 23/49/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board RMS Malwa on 23 April 1916 |
| Rank from Nominal Roll | 2nd Corporal |
| Unit from Nominal Roll | aust Prov Cps |
| Fate | Effective abroad (still overseas) |
| Miscellaneous details (Nominal Roll) | *given name two spellings Oluf and Olaf |