Christiane Tietz is Professor for Systematic Theology at the University of Mainz. She taught at the Universities of Tübingen, Heidelberg and at Union Theological Seminary, New York City, and was Member in Residence at the Center of Theological Inquiry, Princeton, in 2007/08. She is the President of the International Bonhoeffer Society (German Section) and is on the Editorial Board of the Dietrich Bonhoeffer Yearbook.
Jens Zimmermann is Professor of English and Canada Research Chair in Religion, Culture and Interpretation at Trinity Western University, Canada. He has published extensively on continental philosophy (Heidegger, Levinas, and Gadamer), literary theory and theology. Zimmermann has edited two books on Bonhoeffer.