David Krantz is a co-founder, president and chairperson of Aytzim: Ecological Judaism, the parent organization of Jewcology, the Green Zionist Alliance: The Grassroots Campaign for a Sustainable Israel, EcoJews of the Bay, Jews of the Earth, and, together with GreenFaith, Shomrei Breishit: Rabbis and Cantors for the Earth.
David serves on the board of directors of Interfaith Moral Action on Climate; on the founding team of the Interfaith Oceans; and on the faith team of Climate Criris Policy. David previously served on the board of Arizona Interfaith Power & Light; as the secretary and member of the board of directors of the American Zionist Movement; as a leadership fellow at the Coalition on the Environment and Jewish Life; and as a global-justice fellow at American Jewish World Service. He is also the editor of the Jewish Energy Guide. David earned three master's degrees, including one in journalism at the University of California, Berkeley, and two through a Steinberg Fellowship at New York University, where he studied Judaism and environmental policy. He has spoken about Israeli, Jewish and interfaith environmentalism on four continents.