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Contact Directory

Procurement Services

3201 Arch Street, Suite 400, Philadelphia, PA 19104
215-895-2876 T
215-895-2877 F


Stephen Mack Associate Vice President 215-895-1910
Anna Griffin Rivera Director, Procurement Operations 215-895-6432
Deborah Rizzo Director, Contract Compliance 215-895-6132
Kathleen Maertzig Senior System Administrator 215-895-5847


Daveda Brown
Buyer II 215-895-6430
Charlene Rice Senior Buyer 215-895-2921
Carmen Spears Purchasing Agent 215-895-2780


PCard General Information
For general questions regarding the PCard program, training, support, temporary credit limit increase requests, and questions about monthly account statements, please email

Una M. Massenburg PCard Administrator 215-895-6433
Michele Arias-Ramos PCard Coordinator 215-895-6431
Kate Rosenberger PCard Analyst 215-895-6962
PCard online reconciliation