On May 22, 2015, a meeting involving prelates of both Holy Councils took place in a suburb of Chicago, Illinois, in the library of St. Andrew's Assyrian Church of the East. Present were Yacoub Daniel, Zaia Khoshaba, and Gewargis Younan representing the Ancient Church of the East, and Gewargis Sliwa, Awa Royel, and Iskhaq Yousif representing the Assyrian Church of the East. Archdeacon William Toma served as the meeting's common secretary.