Ellen Lippmann is the founder and Rabbi Emerita of Kolot Chayeinu, having served as rabbi from its beginning in 1993 to 2018. She is the former East Coast Director of MAZON: A Jewish Response to Hunger, and former director of the Jewish Women's Program at the New 14th Street Y in Manhattan.

Rabbi Lippmann is on the board of the Institute for Jewish Spirituality, is a grateful member of Rabbis for Ceasefire, and was an honored member of the Social Services Transition Team for NYC Mayor Zohran Mamdani. She mentors rabbis and activists privately and via official mentoring programs.

She served for six years on the board of JFREJ (Jews for Racial and Economic Justice), and was co-chair and served on the Board of T’ruah: the Rabbinic Call for Human Rights for 18 years.