Our Staff

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…

Lindsey Rubin is the Program Coordinator for Scientists in Synagogues at Sinai and Synapses, where she helps create opportunities for Jewish communities to engage with science and explore meaningful questions at the intersection of science and Judaism. Lindsey brings extensive experience in Jewish communal programming, education, and relationship-building. Before joining Sinai and Synapses, she served as Program Manager for Lifecycle Connections at 18Doors, where she cultivated relationships with a network of Jewish clergy and helped connect thousands of individuals with…

Dr. David Zvi Kalman is Sinai and Synapses’ Senior Technology Advisor. David Zvi works on issues of technology, religion, and art. He is the host of the Belief in the Future podcast. He is the owner of Print-O-Craft Press, an independent publishing house that has released books including Jessica Deutsch’s The Illustrated Pirkei Avot and Noam Sienna’s A Rainbow Thread: An Anthology of Queer Jewish Texts from the First Century to 1969. He has been widely published in both academic and popular publications. David Zvi holds a PhD from…

Elizabeth Gaer-Leví is Head of Marketing and Communications at Sinai and Synapses, where she leads strategic communications, editorial initiatives, and public engagement for programs exploring the relationship between science and religion. Her work focuses on translating complex ideas into accessible, compelling stories that invite thoughtful public conversation. She holds a B.A. in International Relations and Jewish Studies, with additional study in Earth and Space Sciences (Geology), from the University of Washington and an M.A. in Security and Diplomacy from Tel…