Van De Walle is a professor of Historical and Systematic Theology at Ambrose Seminary in Calgary, Alberta, Canada. His book, The Heart of the Gospel, locates the theology of A.B. Simpson’s Fourfold Gospel within the wider landscape of late-nineteenth century evangelicalism. It is required reading for licensing with The Christian and Missionary Alliance. He is ordained with The Christian and Missionary Alliance in Canada and currently serves as the Chair of its Board of Directors. He is also the Chairman of the International Commission for Theological Education Committee of the Alliance World Fellowship.