He is the editor of the "Name-ye Iran-e Bastan", "The International Journal of Ancient Iranian Studies" and the "DABIR: Digital Ar". He is also the director of the "Sasanika Project", a project on the history and culture of Sasanians. His most famous books are "Sasanian Persia: The Rise and Fall of an Empire" and "Sasanian Iran (224-651 CE): Portrait of a Late Antique Empire".