Key Contacts in the Mid-Atlantic Region
GSA's Mid-Atlantic Region is located in the Strawbridge's Building, 20 North 8th Street, Philadelphia, PA 19107-3191 (directions).
Use the Directory by Organization page or the GSA staff directory to find contact information not shown below.
| Title | Contact Information |
|---|---|
| Regional Administrator (RA) | Sara Manzano-Diaz (215) 446-4900 sara.manzano-diaz@gsa.gov |
| Public Buildings Service (PBS) Regional Commissioner |
Rob Hewell (215) 446-4500 rob.hewell@gsa.gov |
| Federal Acquisition Service (FAS) Regional Commissioner |
Linda Chero (215) 446-4802 linda.chero@gsa.gov |
| Regional Counsel | Robert J. McCall (215) 446-4946 robert.mccall@gsa.gov |
| FAS Financial Service Center Director |
Dennis McNamara (215) 446-4788 dennis.mcnamara@gsa.gov |
| Human Resources Director | Maureen Gannon (215) 446-4963 maureen.gannon@gsa.gov |
| Public Affairs Officer | Gina B. Gilliam (215) 446-4909 gina.gilliam@gsa.gov |
| Equal Employment Opportunity Officer | Kellyann D. Williams (215) 446-4906 kellyann.williams@gsa.gov |
| Regional Emergency Coordinator | Maryann Toniazzo (215) 446-4911 maryann.toniazzo@gsa.gov |
| Sensitive But Unclassified Information Officer | Doreen F. Waltrich (215) 446-4677 doreen.waltrich@gsa.gov |
| Small Business Utilization Officer | Helena E. Koch (215) 446-4918 helena.koch@gsa.gov |
| Reimbursable Work Authorizations (RWAs) | Robert J. Scheible (215) 446-4920 robert.scheible@gsa.gov |
The shortcut to this page is www.gsa.gov/r3keycontacts.




