Buckley was director of an ccumenical and pastoral center at Wetherby, the first of its kind in Europe, from 1966 and 1977. Pope Paul VI appointed him to the VIatican Secretariat for Promoting Christian Unity, a position he held for five years, and he has continued this work through the Maranatha Community for reconciliation in Northern Ireland. He was founder of El Shaddai Inner Healing Movement in 1982. He has been Parish Priest of St. Joseph's Church, Taddcaster, Yorkshire, but is now working full-time in the healing ministry.