CADEIO stands for the Catholic Association of Diocesan Ecumenical and Interreligious Officers. It was formerly known as NADEO, the National Association of Diocesan Ecumenical Officers.
CADEIO was established to:
1) stimulate the exchange of ideas, experiences and networking among the Ecumenical Officers of the arch/dioceses in union with Rome;
2) promote programs that further the work of Christian unity and interreligious cooperation; and
3) cooperate with the Bishops’ Committee for Ecumenical and Interreligious Affairs of the United States Conference of Catholic Bishops, and with other ecumenical and interreligious agencies.