Archibald Allison studied theology at the Theological College of the Canadian Reformed Churches and at Bethel Orthodox Presbyterian Church under his father and the Rev. G. I. Williamson. A life-long member of the reformed church, he has served as a ruling elder in the RCUS and was ordained as a minister in The Orthodox Presbyterian Church. After serving a mission work in Rock Springs, Wyoming, he has served as pastor of Emmaus Orthodox Presbyterian Church in Fort Collins, Colorado, since 1993. His study on I Timothy 3:1-13 is published under the title Biblical Qualifications for Elders and Deacons.