Contact Us

Providing Efficient & Responsive Service

Office of Contract Administration
General Services Agency
City Hall, Room 430
1 Dr. Carlton B. Goodlett Place
San Francisco, CA 94102
Phone: (415) 554-6743
Fax: (415) 554-6717

General inquiries:
Public records requests:

Office Hours: Monday - Friday (exluding holidays), 8:00 a.m. to 5:00 p.m.

OCA Management Team
Jaci Fong, Director and Purchaser, 415-554-6743
Kofo Domingo, Assistant Director, 415-554-6714
Darlene Frohm, Supervising Purchaser (DPW), 415-695-2124
Galen Leung, Supervising Purchaser (MTA), 415-701-2465 | (AIR) 650-821-2848
Greg Pustelnik, Supervising Purchaser, 415-554-6264
Whitney Bagby, Principal Analyst II, 415-554-7873
Purchasing Staff/Central Office
Nishil Bali, Principal Analyst, 415-554-6963
David Bui, Senior Purchaser, 415-554-4571
Connie Dantes, Administration, 415-554-6966
Deirdre Darley, Senior Purchaser, 415-554-6751
Mark Farley, Acting Senior Purchaser, 415-554-6257
Rachel Gage, Assistant to Director, 415-554-6713
Mario Giacobbe, Senior Purchaser, 415-554-6740
Diane Handa, Purchaser, 415-554-6913
Bill Jones, Purchasing and Contracts, 415-554-6730
Dan McKenna, Contracts, 415-554-5113
Carmen Omran, Acting Purchaser, 415-554-6732
Shawn Peeters, Senior Purchaser, 415-554-7030
Jennifer Peloso, Administration, 415-554-4573
Lin Repola, Senior Purchaser, 415-554-4564
Richelle Valencia, Administration, 415-554-6736
Michelle Wong, Senior Purchaser, 415-554-6217
Purchasing Staff/Airport
Susan Leung, Purchaser, 650-821-2845
Gwen Williams, Senior Purchaser, 650-821-2853
Purchasing Staff/Dept. Public Works
Darlene Frohm, Supervising Purchaser, 415-695-2124
Purchasing Staff/Public Utilities Commission
Abby Fard, Purchaser, 415-551-2971
Maria Sio, Purchaser, 415-554-6212
Carolyn Sladnick, Senior Purchaser, 415-554-3266
Purchasing Staff/Municipal Transportation Agency
Gloria Gill, Purchaser, 415-701-4705
Hermilo Rodis, Senior Purchaser, 415-701-4706
Purchasing Staff/Real Estate
Mike Ward, Contracts, 415-554-9870
Purchasing Staff/SF General Hospital
John Danaher, Purchaser, 415-206-3139
Pamela Olivier, Senior Purchaser, 415-206-6955