| Pastor's Secretary | |
| Mary Licata | 312-853-2384 |
| Director of Worship | |
| Fr. Robert Hutmacher, O.F.M. | 312-853-2412 |
| Organist / Choirmaster | |
| Andrew Fredel | 312-853-2397 |
| Business Office | |
| Br. Herb Rempe, O.F.M. | 312-853-2357 |
| Activities Office | |
| Carolyn Jarosz carolyn.stpeters@yahoo.com |
312-853-2376 |
| Program Director | |
| Robert Pawell, O.F.M. | 312-372-5111 |
| Friars Legion | |
| Br. Herb Rempe, O.F.M. | 312-853-2338 |
| Director of Environment/Sacristan | |
| Michael Dwyer | 312-853-2399 |
| Director of Public Safety | |
| Gilbert Mathews | 312-853-2334 |
| Capital Campaign Office | |
| Linda McCaskill | 312-917-4150 |
| Gift/Book Store Manager | |
| Br. Clarence Klingert, O.F.M. | 312-853-2383 |