On July 21, Dr. Hollander and Fr. Brian Terry, SA, had the pleasure of welcoming

On July 22, we were honored to welcome Fr. Anthaiah Kondaveeti, Executive Secretary of the

Fr. Elias D. Mallon, SA, PhD, writes on the significance of this year’s 1700th anniversary

In recent weeks, members of Graymoor Ecumenical & Interreligious Institute (GEII) had the privilege of

The theme of the 2026 Week of Prayer for Christian Unity is “There is one

Dr. Aaron Hollander, executive director of GEII, was interviewed by the Chicago Tribune for an

On May 13-14, GEII Executive Director Dr. Aaron Hollander joined the National Council of Churches

We are delighted to announce, in collaboration with the Ecclesiological Investigations International Research Network, the

On February 12, 2025, Graymoor Ecumenical & Interreligious Institute (GEII) hosted a group of leaders