Ryan A. Brandt (PhD, Southern Seminary) is Professor of Christian History and Theology at Grand Canyon University. He is an editor and contributor for Spiritual Formation for the Global Church: A Multi-Denominational, Multi-Ethnic Approach (IVP Academic, 2021). He has written articles and edited special issues for several journals.
John Frederick (PhD, University of St. Andrews, 2014) is currently Pastor of Discipleship at The Falls Church Anglican in Falls Church, Virginia. Formally, John was Lecturer in New Testament and Greek at Trinity College Queensland in Brisbane, Australia. John is the author of Worship in the Way of Cross (IVP, 2017) and The Ethics of the Enactment and Reception of Cruciform Love (Mohr Siebeck, 2019).