Anadolu University in Turkey is one of the world's largest and least known mega-universities. Well over one million students in Turkey, the European Union and Northern Cyprus are enrolled in its Open Education System and yet few accounts of this dual-mode provider appear in the international literature. This article describes the evolution of the Anadolu Open Education System, explains how the Open Education Faculty operates and is now engaged in e-transformation, and considers the current and future issues confronting the institution. (Contains 2 tables.)