Also see Tides Nexus The Tides Foundation is a major center-left grantmaking organization and a major pass-through funder to numerous left-leaning nonprofits. The San Francisco, California-based 501(c)(3) nonprofit was founded in 1976 by Drummond Pike, a professional political activist who has since retired from the organization, to funnel grants from liberal donors to center-left nonprofits … Continue reading Tides Foundation