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 (excluding holidays), 8:00 a.m. to 5:00 p.m.

OCA Management Team
Jaci Fong, Director and Purchaser, 415-554-6743
Alaric Degrafinried, Assistant Director, 415-554-6714
Robert Henning, Assistant Director, 415-554-6212
Purchasing Staff/Central Office
Lin Repola, Supervising Purchaser, 415-554-4564
Connie Dantes, Administration, 415-554-6966
Victoria Falcon, Assistant Purchaser (Intern), 415-554-6734
Mark Farley, Acting Senior Purchaser, (Vehicles) 415-554-6257
Iliana Gonzalez-Merino , Administration, 415-554-6743
Diane Handa, Purchaser (IT), 415-554-6913
Hyerim Hofler, Assistant Purchaser (Intern), 415-554-6258
Jonathan Jew, Assistant Purchaser (Intern), 415-554-6217
Bill Jones, Purchasing and Contracts, 415-554-6730
Florence Kyaun, Lead Sr. Administrative Analyst, (Term Contracts), 415-554-6263
Marcus Lange, Sr. Administrative Analyst, (Term Contracts), 415-554-4751
Stacey Lo, Senior Administrative Analyst (Term Contracts), 415-554-6732
Arthur Marcelo, Assistant Purchaser (Intern), 415-554-6248
Shawn Peeters, Acting Supervising Purchaser (IT), 415-554-7030
Jennifer Peloso, Administration, 415-554-4573
Daniel Sanchez, Purchaser, (Term Contracts) 415-554-6735
Omar Sanchez, Assistant Purchaser (Intern), 415-554-6264
Howard Tevelson, Senior Purchaser, 415-554-6740
Albie Udom, Senior Contract Analyst, (Term Contracts) 415-554-6751
Richelle Valencia, Administration, 415-554-6736
Purchasing Staff/Airport
Galen Leung, Supervising Purchaser (AIR) 650-821-2848
Maria Sio, Acting Senior Purchaser, 650-821-2845
Deborah Wells, Purchaser, 650-821-2864
Gwen Williams, Senior Purchaser, 650-821-2853
Purchasing Staff/Dept. Public Works
Darlene Frohm, Supervising Purchaser, 415-695-2124
Purchasing Staff/Public Utilities Commission
David Broekelschen, Assistant Purchaser (Intern), 415-487-5293
Evan Magante, Purchaser, 415-487-5267
Carolyn Sladnick, Senior Purchaser, 415-554-3266
Purchasing Staff/Municipal Transportation Agency
Bill Gainey, Supervising Purchaser, 415-554-7799
Abby Fard, Senior Purchaser, 415-701-4215
Gloria Gill, Purchaser, 415-701-4705
Purchasing Staff/Real Estate
Mike Ward, Contracts, 415-554-9870
Purchasing Staff/SF General Hospital
Carmen Omran, Purchaser, 415-206-7151
Pamela Olivier, Senior Purchaser, 415-206-6955
Purchasing Staff/Human Services Agency
Hermilo Rodis, Senior Purchaser, 415-557-5538