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Impact100 Sonoma is a women’s philanthropic organization founded in 2009 to support the vital services and programs of nonprofits serving our community. By working together and pooling our resources, we’re helping to build a just and thriving Sonoma Valley.
HEADLINE NEWS Time to Vote for 2026 Grant Recipients! Read finalist proposal summaries. National Recognition! Impact100 Sonoma has won a 2026 Philanos Spotlight Award for our partnership with the Sonoma Valley Mentoring Alliance! Learn more. The Spotlight Award included a $500 donation that we passed to the Mentoring Alliance. Read the thank-you letter. |
15+ years of giving | $4.3+ M to nonprofits serving Sonoma Valley | 330+ member donors and growing |
GRANTS NEWS We announce 2026 grants pool of $365,000 for valley-serving nonprofits— a new record! Learn more. Toast our 2026 Honorees! Join us on April 28 for our Annual Grant Awards Celebration. Now a weeknight evening reception! Read our latest Grants at Work story: Robert Ferguson Observatory, an educational resource opening the night sky to everyone. |
UPCOMING EVENTS
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“Never doubt that a small group of thoughtful, committed citizens can change the world.” —Margaret Mead |
| OUR VISION A just and thriving Sonoma Valley OUR MISSION Empowering women of Sonoma Valley to invest in a more sustainable nonprofit community through collective giving and responsible stewardship
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