The Sierra Club Foundation is an American environmental nonprofit. It is affiliated with the Sierra Club. The organization's stated mission is to "help educate, inspire, and empower humanity to preserve the natural and human environment." The Sierra Club Foundation is a public charity based in San Francisco, California and founded in 1960. It provides financial support to the Sierra Club and other environmental organizations. The Sierra Club Foundation funds a range of environmental projects. The organization was founded by John Muir. Members of the organization's board of directors have included Lynn Jurich and Mike Richter. The current board of directors include Darren Aronofsky, Steven Berkenfield, Marni McKinnney, Doug Walker and Sanjay Ranchod.