The fourth Reformation500 annual speaker series at Concordia Seminary will feature well-known author, Tullian Tchividjian, senior pastor of Coral Ridge Presbyterian in Ft. Lauderdale, Florida. The event will be held in Werner Auditorium on Thursday evening, March 19, 2015 at 7:00 pm. A Lecturer of Pastoral Theology at Knox Theological Seminary, William Graham Tullian Tchividjian ..