- Chairman of Systematic Theology
- The Robert D. Preus Professor of Systematic Theology and Confessional Lutheran Studies
Dr. Ziegler joined the Concordia Theological Seminary (CTSFW), Fort Wayne, faculty in 2000. He serves as the Robert D. Preus Professor of Systematic Theology and Confessional Lutheran Studies and chairman of Systematic Theology.
Born in the state of Baden-Württemberg, Germany, he studied at the Universities of Tübingen and Erlangen. He received his M.Div.(1993) from the Lutheran Theological Seminary, Oberursel. A scholarship enabled him to study as an exchange student at CTSFW. He received his Dr.theol. from the Eberhard-Karls-Universität Tübingen in 2011.
He served as a teaching assistant at the Lutheran Theological Seminary in Oberursel (1993–1995), a vicar in Berlin (1995–1997), and a pastor in Konstanz (1997–2000).