Fr. Anthony Ruff, OSB is a monk of St. John's Abbey since 1988, ordained in 1993. He teaches liturgy, liturgical music, and Gregorian chant in the Theology Department and the School of Theology. He chairs the Advisory Board of St. John's Institute for Sacred Music. He is co-founder (with Dr. Axel Theimer) of the National Catholic Youth Choir. He was on the committee that drafted Sing to the Lord: Music in Divine Worship for the U.S. Conference of Catholic Bishops, and he chaired the international committee that wrote the English chant for the new Roman Missal (2011). He has served on the board of the Society for Catholic Liturgy and the executive committee of the Hymn Society in the U.S. and Canada, and he now serves on the leadership team of the Catholic Academy of Liturgy of the North American Academy of Liturgy. For the National Association of Pastoral Musicians he has served as chair of the Chant section and on the national advisory board, and he is now on the board of directors. He serves as German/English translator for the International Arbeitsgemeinschaft für Hymnologie (International Fellowship for Research in Hymnology) and for the quadrennial Congress of Abbots in Rome. He is the author of Sacred Music and Liturgical Reform: Treasures and Inconsistencies, a 720-page study of the liturgical reforms of the Second Vatican Council; Responsorial Psalms for Weekday Mass: Advent, Christmas, Lent, Easter; and Canticum novum: Gregorian Chant for Today's Choirs. Forthcoming is Sung Gospels for Major Solemnities In Multiple Voices. He is a frequent presenter on topics of liturgy and music nationally and internationally, publishes frequently in journals, and moderates the blog about liturgy Pray Tell. He is Abbey music director and organist. He does priestly ministry at the local county jail and for the neighboring community of Benedictine sisters.