Hagai Dagan is an Israeli author and scholar. He completed his studies at Tel Aviv and Freiburg Universities, specializing in Jewish thought and philosophy. Dagan obtained his PhD from Tel Aviv University.

Currently, Dagan serves as the head of the Israeli Culture Program at Sapir College located in Israel.

Dagan has published thirteen books in various genres. Of these, five are works of non-fiction, seven are novels and one is a poetry collection. His writings often delve into Jewish myth, fantasy, history, demonology, and their intersections with everyday life, politics, and identity.