Rabbi David Jaffe leads the Inside Out Wisdom and Action (IOWA) Project, which integrates Jewish spiritual practices like Mussar and Chassidic prayer with social change activism. He is the author of Changing the World from the Inside Out, which won the 2016 National Jewish Book Award. David got his start in activism organizing to combat homelessness in San Francisco and was among the founders of the Greater Boston Interfaith Organization. He serves on the board of the Brockton Interfaith Community, which is building an alternative economy based on empowerment and asset creation among traditionally marginalized populations. He lives in Sharon, MA with his partner and two teenage boys.