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Get in Touch!

Mailing Address

One Tam

201 Fort Mason, 3rd Floor

San Francisco, CA 94123



For general inquires or for information on topics not listed below please email us at


One Tam Director

To find out more about how One Tam’s structure and management are helping meet our collective mission, contact:

Sharon Farrell, Executive Vice President – Projects, Stewardship & Science,



For information on membership and giving, contact:

Cailey Gibson, Associate Director, Individual Giving,

Or, donate today



Check our calendar to learn about upcoming volunteer opportunities, or contact:


Community Ambassador Program

To learn more about how you can help engage your own community in taking raising support for Mt. Tam, contact:

Cailey Gibson, Associate Director, Individual Giving,


Youth Programs

For details about One Tam youth opportunities, contact:

Grecia Solis Pacheco, Youth and Community Programs Manager,


Community Science Programs

To get involved in science on Mt. Tam, contact:

Lisette Arellano, Community Science Program Manager,


Community Engagement

Ou community engagement program is driven by a team of volunteers and largely centers around our "Tam Van," or mobile visitor center. To get involved, or to learn more, please contact:

Monica Stafford, Community Engagement Program Manager,