Ioannis Marathakis received his BA in Theology from the National University of Athens. He has worked as a high-school teacher of religion, a translator and an editor. His research focuses on the history of magic from late antiquity to the Renaissance, and he has published several relevant papers in Greek and English. He is the editor of The Magical Treatise of Solomon or Hygromanteia, which includes a commentary and a translation of the Greek prototype of the Key of Solomon.