Born 1964 in Curitiba/Brazil, ordained in the Association of Mennonite Congregations in Germany, since 2018, Professor for “Peace Church Theology” at the Department for Protestant Theology, University of Hamburg/Germany (Endowed Chair), since 2006 (Founding) Director of the Center for Peace Church Theology. Since 2011, Professor for [Peace-] Theology and Ethics at the Faculty of Religion and Theology at Vrije Universiteit (VU) Amsterdam/The Netherlands, (Founding) Director of the Amsterdam Center for Religion and Peace & Justice Studies at VU Amsterdam, Co-Editor of Amsterdam Studies in Baptist and Mennonite Theology (ASBMT), Co-Rector of the Mennonite Seminary at VU Amsterdam, Member of the Executive Committee of the World Council of Churches, Vice-Chair of the Association of Mennonite Congregations in Germany, and author of a.o. The Peace Church and the Ecumenical Community: Ecclesiology and the Ethics of Nonviolence (2007) and (with Jonathan R Seiling) Ecumenism and Peace: From Theory and Practice to Pilgrimage and Companionship (2022).