Raymond Otto Zorn was born in  Brush, Colorado, in 1924 and trained for the Christian ministry at Gordon College, Boston, and Westminster Theological Seminary, Philadelphia. He served congregations in the Orthodox Presbyterian Church and the Reformed Churches of New Zealand before becoming Professor of Systematic Theology and Ethics at Reformed Theological College, Geelong, Australia in 1976, where he was also Principal, 1978-1989.

Professor Zorn is a minister of the Reformed Churches of Australia. Since his retirement he continues in the work of preaching, or writing, notably in Vox Reformata, and of aiding seminaries in both Australia and the United States as a visiting Professor of Theology. His book Christ Triumphant: Biblical Perspectives on His Church and Kingdom, is published by the Trust.