Gaia Fund is an independent non-profit private foundation based in San Francisco, California. Established in 1995 by Christine Russell and Mark Schlesinger, who serve as its sole trustees and set grantmaking priorities. Gaia Fund is a member of Exponent Philanthropy, Environmental Grantmakers Association, Jewish Funders Network, Northern California Grantmakers, Sustainable Agriculture, and Food System Funders, and California Foodshed Funders. The assets of the firm are managed and governed by the Board of Trustees.Gaia Fund's investment portfolio is valued at over $38.99 million, with investments in domestic and international equity, private equity and cash.