Professor Adam S. Ferziger teaches in the Department of Jewish History and Contemporary Jewry at Bar-Ilan University, Ramat-Gan, Israel, and is co-convener of the Oxford Summer Institute for Modern and Contemporary Judaism, Oxford, UK. He is the author of Exclusion and Hierarchy: Orthodoxy, Nonobservance and the Emergence of Modern Jewish Identity and Jewish Denominations: Addressing the Challenges of Modernity.