David Ellenson is an American rabbi and academic who is known as a leader of the Reform movement in Judaism. Ellenson is currently Director of the Schusterman Center for Israel Studies and Visiting Professor of Near Eastern and Judaic Studies at Brandeis University and interim President of the Hebrew Union College-Jewish Institute of Religion. He previously served as president of HUC-JIR from 2001 to December 31, 2013, and is now Chancellor Emeritus of that college. Ellenson is currently serving as interim President following the death of his successor, Aaron D. Panken.
Ellenson was first appointed a member of the faculty in Jewish Religious Thought at Hebrew Union College in 1979. For two decades Ellenson served as head of the Louchheim School of Judaic Studies, the undergraduate program in Jewish Studies at the University of Southern California conducted under the aegis of HUC-JIR. In 1988, Ellenson was appointed the I.H. and Anna Grancell Professor of Jewish Religious Thought at HUC-JIR. He also served as a visiting professor at both UCLA and the Jewish Theological Seminary of America, and in 1997-98 he was a Lady Davis Visiting Professor of the Humanities in the Department of Jewish Thought at Hebrew University. He has been a fellow of the Shalom Hartman Institute of Jerusalem, a fellow and lecturer at the Institute of Advanced Studies at Hebrew University in Jerusalem, and a teacher at the Pardes Institute of Jewish Studies in Jerusalem. In 2015, Ellenson was appointed a Distinguished Visiting Professor at New York University and he taught there in the Skirball Department of Judaic Studies in 2015-2016. A scholar of modern Jewish thought and history, Ellenson is recognized for his writings and publications in these fields. He has written extensively on the origins and development of Orthodox Judaism in Germany during the nineteenth century, Orthodox legal writings on conversion in Israel, North America, and Europe during the modern era, the relationship between religion and state in Israel, the history of modern Jewish religious movements, and American Jewish life. Ellenson has authored or edited seven books and over 300 articles and reviews in a wide variety of academic and popular journals and newspapers. Ellenson was inaugurated as HUC's eighth president in October 2002, succeeding Rabbi Sheldon Zimmerman. Upon his retirement and assumption of the role of HUC-JIR's first Chancellor, he was succeeded as president by Rabbi Aaron Panken. David Ellenson and his daughter Ruth Andrew Ellenson, editor of The Modern Jewish Girl's Guide to Guilt, both won the National Jewish Book Award in 2006 , the only father and daughter to do so in the same year since Abraham Joshua Heschel and Susannah Heschel. President George W. Bush appointed Ellenson to serve on delegation to accompany him to Jerusalem for the celebration of the 60th anniversary of the State of Israel in May 2008.