Deignan, C.N.D., (born December 17, 1947), is an Irish-American theologian, author and sacred songwriter who has been engaged in the ministry of liturgical musicianship for over forty years.
She is currently composer-in-residence of Schola Ministries and is the founder and director of Iona Spirituality Institute at Iona College, New York, and previously directed the Iona Institute for Peace and Justice Studies in Ireland.
Deignan is a GreenFaith Fellow who recently completed an intensive training in religious environmental leadership.
Her work in this area focuses on the prophet legacy of Father Thomas Berry and The Great Work of our time.
She is President of the International Thomas Merton Society.