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| Program/Department | Name | Title | Extension | Direct Line | |
| Executive Director | Brendan McCormick | Executive Director | bmccormick@gscenter.org | 3726 | 708-985-3726 |
| Development | Lauren Thommes | Development Coordinator | Development Coordinator | 3728 | 708-985-3728 |
| Acorn Child Care | Diane Wieck | Child Care Center Director | dwieck@gscenter.org | 708-687-9600 | |
| Finance | Peggy Hoogheem | Finance Director | phoogheem@gscenter.org | 3719 | 708-985-3719 |
| In-Home Services Program | Mary Ellen McLoughlin | In-Home Services Director | mmcloughlin@gscenter.org | 3722 | 708-985-3722 |
| In-Home Services Program | Sabrina Granner | In-Home Services Employee Coordinator | sgranner@gscenter.org | 3723 | 708-985-3723 |
| Community Partner Program | Maggie Keane | Program Director | mkeane@gscenter.org | 3722 | 708-985-3722 |
| Community Partner Program | Alex Brozek | Training Supervisor | abrozek@gscenter.org | 3738 | 708-985-3738 |
| Community Partner Program | Rosita Nardi | Bilingual Training Coordinator | rnardi@gscenter.org | 3739 | 708-985-3739 |
| Community Partner Program | Hazel Daley | Provider Support Specialist | hdaley@gscenter.org | 3741 | 708-985-3741 |
| Early Intervention Program | Tara Pichla | Early Intervention Insurance Coordinator | tpichla@gscenter.org | 3724 | 708-985-3724 |