Rabbi David Jaffe is the Founder and Executive Director of Kirva and the author of Changing the World from the Inside Out: A Jewish Approach to Personal and Social Change, which won the National Jewish Book Award for Contemporary Jewish life.  His teaching, writing, organizing, and consulting explore the intersection of moral and spiritual development and ethical action in the world.  He teaches Mussar (applied Jewish ethics) and Jewish spiritual wisdom widely throughout North America with organizational and social change leaders, educators and spiritual seekers of all ages.  David was a founding board member of Avodah: The Jewish Service Corps and helped start the Greater Boston Interfaith Organization, an IAF affiliate. He has a masters in social work from Columbia University and private rabbinic ordination from Israel. He served as a senior faculty member with the Mussar Institute, a visiting research fellow at Boston University and the Pardes Institute, and adjunct faculty at the Hebrew College Rabbinical School. David serves as the Co-President of the Board of Directors of the Brockton Interfaith Community and lives with his family in Sharon, MA.

Spiritual activist and community organizer Yehudah Webster works to animate and integrate anti-racist behaviors and culture in communities, supporting the collective organizing, advocacy and direct service efforts to dismantle racism systemically. As Senior Faculty of Kirva, directing their Dismantling Racism from the Inside Out Program, Yehudah equips communities with the daily concrete spiritual tools of Mussar to subvert racism within ourselves and others through facilitating workshops, consulting with organizations, and building a community of anti-racist practice. Yehudah is a graduate of Jews for Racial and Economic Justice’s Grace Paley Organizing Fellowship, Bend the Arc’s Selah Leadership Program, Kirva’s Ovdim Fellowship, and a recipient of both the Pomegranate Prize through the Covenant Foundation as well as the Beerman Foundation Fellows for Peace and Justice Award. Yehudah currently serves on the board of JOIN for Justice, The Shalom Center, and Bend the Arc.

Sam Fine is the Communications and Development Director at Kirva, based in Los Angeles. She is a storyteller, designer, artist, fundraiser, and organizer, inspired by art's transformative ability to influence social movements and drive change. Sam began organizing in 2016 with IfNotNow, and has continued using art and storytelling as a tool within many Jewish organizing spaces. She has worked to develop communications strategies, visual design, and art for many organizations, including Bend the Arc, IfNotNow, In These Times, Jewish Currents, Jews for Racial and Economic Justice, JQ International, Never Again Action, Tikkun Olam Productions, The Jerusalem Declaration on Antisemitism, and T’ruah.

Dan Gelbtuch was born and grew up with his three siblings in Boston, Massachusetts, and was raised in Greater Boston's Jewish Community. He studied history and religion at Wesleyan University and received a Master's in Education from Queens College. Dan taught for three years in the New York City public school system, focusing on social movements. He returned to Boston in 2007 to begin the Jewish Organizing Initiative (JOIN) ,where he received community organizing training and began his career as a youth organizer at Dorchester Bay Youth Force. During his ten years as the Youth Force Director, Dan co-founded the Youth Jobs Coalition. Most recently, he has been interested in how to connect his spiritual path and his organizing work. Dan is currently exploring this and other key questions through his work at both Kirva and Episcopal City Mission.  Dan is the lead organizer for Kirva.  He focuses his time on program development and program support.  He is especially excited about the work he is doing in partnership with Dayenu to build a curriculum that supports Jewish climate justice activists and the work he is doing as part of our Dismantling Racism from the Inside Out project to bring that curriculum to more Jewish social justice organizations.