Acacius of Constantinople was the ecumenical patriarch of Constantinople who held office from 472 until 489. A skilled courtier and administrator, he previously managed the orphan charity in the capital with great success. His tenure was defined by intense theological struggles and political maneuvering aimed at unifying the Eastern churches. While he sought to bridge divisions following the Eutychian debates, his attempts at compromise led to the Acacian schism, a long-standing rift between the sees of Rome and Constantinople.