Matthias Scharer is a professor of practical theology in the fields of catechetics and religious education at the University of Innsbruck, where he leads a research team working on communicative theology. He has lectured widely in Western and Eastern Europe, Latin America, Africa, and Asia on this process and has conducted seminars employing this method. Bernd Jochen Hilberath is professor of dogmatic theology and the history of dogma at the University of Tübingen and is director of the Institute for Ecumenical Research. He has been actively involved in ecumenical and inter-religious dialogues. Bradford Hinze is professor of theology at Fordham University. He lives in New York City.