Pope Cyril IV of Alexandria was a 19th-century leader of the Coptic Orthodox Church who served as the 110th Pope of Alexandria and Patriarch of the See of Saint Mark. Born David in 1816 in Girga, he is widely recognized as the "Father of Reform" due to his significant modernizing efforts. During his leadership, he established a major printing house to produce numerous ecclesiastical books, leaving a lasting impact on the church's literary and educational resources.