Tim Chester (PhD, University of Wales) is a faculty member of Crosslands and a pastor with Grace Church, Boroughbridge, North Yorkshire. He is an author or coauthor of over forty books, including A Meal with Jesus; Reforming Joy; and, with Michael Reeves, Why the Reformation Still Matters.

Sinclair B. Ferguson (PhD, University of Aberdeen) is Chancellor’s Professor of Systematic Theology at Reformed Theological Seminary and the former senior minister of the First Presbyterian Church in Columbia, South Carolina. He is the author of several books, including By Grace Alone and Lessons from the Upper Room. Sinclair and his wife, Dorothy, have four grown children.