Carmel Pilcher RSJ is a Josephite Sister living in Sydney. She is a liturgical consultant and educator based in Sydney. Carmel is currently a member of the council of Societas Liturgica. She is a member and past president of the Australian Academy of Liturgy.

David Orr OSB is a monk of the Benedictine Community at Arcadia, NSW. He has served on both the National and Diocesan Liturgical Commissions. He is a member of the Australian Academy of Liturgy and Societas Liturgica. He continues to write liturgical commentaries for magazines, including Worship and The Summit.

Elizabeth Harrington is a liturgical educator for the Archdiocese of Brisbane and writes a weekly column entitled ‘Liturgy Lines' in the Catholic newspaper in Brisbane, The Leader.