David Platt – Pastor, Author, Radical Teacher
David Platt serves as pastor at McLean Bible Church in Washington, D.C. He is the founder and president of Radical.
Tim Challies – Christian. Husband. Reformer. Writer. Unfinished.
Christian, husband to Aileen, and father to three children aged 13 to 19, Tim Challies worships and serves as an elder at Grace Fellowship Church in Toronto, Ontario. An avid book reviewer, he is the co-founder of Cruciform Press, and
