Wouter J. Hanegraaff is professor of History of Hermetic Philosophy and Related Currents at the University of Amsterdam. He is a member of the editorial board of the journals Aries (Brill), Numen(Brill), Religion Compass and Esoterica and of the advisory board of Journal of Contemporary Religion (Carfax) and Nova Religio(University of California Press). He is the author of several books, including Western Esotericism: A Guide for the Perplexed(Bloomsbury, 2013) and Esotericism and the Academy: Rejected Knowledge in Western Culture (Cambridge University Press, 2012).