Mark is the co-founder of the Mennonite Worker. A prolific schemer, he speaks and writes on spirituality and social justice. He is the author of several books: The Missio Dei Breviary, That Holy Anarchist, and The unKingdom of God, and (marking his first forray into fiction) A Wolf at the Gate. He lives in Minneapolis with his wife Amy, his son Jonas, and an assortment of friends.