Rabbi Geoffrey A. Mitelman is the Founding Director of Sinai and Synapses, an organization that bridges the scientific and religious worlds, and is being incubated at Clal – The National Jewish Center for Learning and Leadership.
His work has been supported by multiple grants from the John Templeton Foundation and Templeton Religion Trust, and he was co-editor of the Fall 2025 Issue of the CCAR Journal on “AI and the Rabbinate.” His writings about the intersection of religion and science have been published in the books Striving to Be Human, Seven Days, Many Voices and A Life of Meaning, (all published by the CCAR press) and These Truths We Hold (published by HUC Press) as well as on The Huffington Post, Jewish Telegraphic Agency, My Jewish Learning, Nautilus, The Wisdom Daily, and Orbiter. He has been an adjunct professor at both the Hebrew Union College – Jewish Institute of Religion and the Academy for Jewish Religion, as well an ambassador to the Island of Knowledge, and is an internationally sought-out teacher, presenter, and scholar-in-residence.
He was ordained by the Hebrew Union College-Jewish Institute of Religion, where he received the Cora Kahn Prize from the Cincinnati faculty for the most outstanding sermon delivery and oratory, and graduated from Princeton University, he received multiple prizes for outstanding scholarship in Biblical and Judaic studies.
He was selected to be a member of the first cohort of Clal’s prestigious Rabbis Without Borders fellowship, a national program that seeks to position rabbis as American religious leaders and spiritual innovators who contribute Jewish wisdom to the American spiritual landscape. Additionally, he was chosen to be in the first group of the Balfour Brickner Rabbinic Fellowship, a joint program with Clal and the Religious Action Center of Reform Judaism that aims to integrate Jewish textual tradition with modern social and political issues.
From 2007 to 2014, he served as Assistant and then Associate Rabbi of Temple Beth El of Northern Westchester, and he appeared on Jeopardy! in March 2016. He lives in Westchester County with his wife Heather Stoltz, a fiber artist, with their two children.