Business Office
| Name | Title | 708-424-2000 |
| Ms. Ilsa Richardella | Business Manager | x2541 |
| Mr. John Hallberg |
Assistant Business Manager/Director of State & Federal Grants
|
x2542 |
| Ms. Brianna Groller | Accounts Payable | x2543 |
| Ms. Terry Hennigan | State & Federal Grants/Administrative Assistant | x2549 |
| Ms. Tina Kelly | Bookkeeper/Administrative Assistant | x2540 |
| Ms. Torria Lloyd | Benefits Coordinator | x2545 |
| Ms. Cindy Murray | Payroll Coordinator | x2553 |