Fr. Thomas Keating was a founding member and the spiritual guide of Contemplative Outreach. He served on Contemplative Outreach's Board of Trustees since the organization's beginning and served as the Chairman of the Board. Fr. Keating was one of the principal architects and teachers of the Christian contemplative prayer movement. He was the author of many books, including Open Mind, Open Heart; Fruits and Gifts of the Spirit; and Invitation to Love. He lived for much of his life at St. Joseph's Abbey, Massachusetts, and St. Benedict's Monastery, Snowmass, Colorado. He died in 2019.