TULLIAN TCHIVIDJIAN (pronounced cha-vih-jin) is the pastor of Coral Ridge Presbyterian Church in Fort Lauderdale, Florida, a visiting professor of theology at Reformed Theological Seminary, and the author of Do I Know God?, Surprised by Grace, and Jesus + Nothing = Everything. A grandson of Billy and Ruth Graham, Tullian is a frequent conference speaker and his sermons are broadcast daily on the radio program Godward Living. Tullian and his wife, Kim, have three children.