Contact Us


RSF Social Finance

1002 O’Reilly Avenue

San Francisco, CA 94129

Phone & Fax

Main 415.561.3900

Toll-Free 888.RSF.3737

Fax 415.561.3919

Directions to RSF

For a map and directions to RSF by public transportation, bicycle, or car, please click here.

Join the Conversation

Sign up for the RSF quarterly print newsletter and monthly e-news, or request information about RSF products and services.

Investor Inquiries

Please contact Mark Herrera at 415.561.6160 or

Loan Inquiries

*We ask that you review our borrower criteria prior to making an inquiry.

Please contact Reed Mayfield at 415.561.6175 or

Donor Advised Fund Inquiries

Please contact Alex Haber at 415.561.6188 or

Grant-Making Programs and Donation Inquiries

Please contact Alex Haber at 415.561.6188 or

Media & Event Inquiries

Please contact Melinda Cheel at 415.561.6157 or

General Inquiries

Please contact Val Esway at 415.561.6165 or

For a complete staff directory, including phone and email information, please click here.

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