The Rev. Mary Margaret Earl has served as executive director and senior minister of the Unitarian Universalist Urban Ministry for 11 years. In this ministry, she works for racial justice and to strengthen connections between UUs and the Roxbury neighborhood where the UUUM operates.

She has served on the leadership team of Moral Movement Massachusetts, the Roxbury Cultural Network, and the search committee for the Roxbury Community College president. Prior to her arrival at the UU Urban Ministry, she spent 10 years at a faith-based nonprofit in RI serving the homeless community. She is past president of the Board of the Rhode Island Coalition for the Homeless, recipient of the Heroes of Faith Award from the Rhode Island State Council of Churches for her interfaith work, and she received a Courage of Conscience award from the Peace Abbey in Sherborn, Mass. She is a longtime vegan committed to standing up for nonhuman animals