Hasan Çolak is Assistant Professor of Ottoman History at TOBB University of Economics and Technology in Ankara, Turkey. He completed his Ph.D. in 2013 with a dissertation about the interaction between the Eastern Patriarchates and the Ottoman central administration. His first monograph entitled The Orthodox Church in the Early Modern Middle East (Turkish Historical Society, 2015) is based on his doctoral studies. In collaboration with Dr Elif Bayraktar-Tellan, he published The Orthodox Church as an Ottoman Institution (2019) and founded the book series Ecclesiastica Ottomanica, both at the Isis Press (Istanbul). He taught History of Turkey at Bilkent University and worked as a post-doctoral researcher for a Leiden University-based ERC project about early modern state – merchant relations in Western Europe and the Ottoman Empire. His main areas of research include Ottoman intellectual history, Muslim-Christian relations, history of the Orthodox Church and Ottoman-European interactions. Other publications include: “Worlds Apart and Interwoven: Orthodox, Syrian and Ottoman Cultures in Paul of Aleppo’s Memoirs” (2012), “Catholic Infiltration in the Ottoman Levant and Responses of the Greek Orthodox Patriarchates during the Late 17^th and Early 18^th centuries” (2013), “Tekfur, fasiliyus, and kayser: Disdain, Negligence, and Appropriation of Byzantine Imperial Titulature in the Ottoman World” (2014), “Amsterdam’s Greek Merchants: Protégés of the Dutch, Beneficiaries of the Russians, Subjects of the Ottomans and Supporters of Greece” (2017). He received in 2020 the Outstanding Young Scientist Award of the Turkish Academy of Sciences.