Kimberly Hope Belcher is Associate Professor of Theology at the University of Notre Dame and 2025 President of the North American Academy of Liturgy. Her research is in sacramental and liturgical theology, ritual studies, and ecumenism. She serves on the Vital Worship Grants Board of the Calvin Institute for Christian Worship and has represented the United States Conference of Catholic Bishops on the Methodist-Catholic, Episcopal-Catholic, and Pentecostal-Catholic dialogues in the United States. Recent publications include: ‘Ritual Techniques in Affliction Rites and the Lutheran-Catholic ecumenical Liturgy of Lund, 2016’, in Yearbook for Ritual and Liturgical Studies (2022); Eucharist and Receptive Ecumenism: From Thanksgiving to Communion (2020); and One Baptism – One Church? A History and Theology of the Reception of Baptized Christians (co-authored with Nathan Chase and Alexander Turpin, 2024).
Tomi Karttunen received his doctorate in systematic theology in 2004 for a thesis on the theology of Dietrich Bonhoeffer. He is docent in systematic theology, especially in ecumenical theology, at the University of Eastern Finland, and in dogmatics at the University of Helsinki. Since 2008 he has served as the Executive Secretary for Ecumenical Relations and Theology at the international department of the Evangelical Lutheran Church of Finland. He is a member of the Executive Committee of the Finnish Ecumenical Council and the Contact Group of the Porvoo Communion of Churches as well as one of the consultants to the World Council of Churches’ Faith and Order Commission.
J. Alexander Rutherford holds a Ph.D from Moore Theological College, Sydney, and is a minister at Riverwood Punchbowl Anglican Church, where he leads the ministry to the Sydney suburb of Punchbowl and collaborates cross-culturally and cross-denominationally. He also engages in freelance research that bridges traditional academic publishing and innovative modes of theological engagement. Through Teleioteti.ca he leverages digital and print-on-demand infrastructure to integrate rigorous scholarship with practical ministry, contributing to both academic discourse and the life of the church.
Stephen Spencer is Director for Theology and Implementation at the Anglican Communion Office in London, supporting official commissions on theological education, science and faith, evangelism and discipleship, and interfaith relations, and also supporting episcopal ministry across the Anglican Communion. Prior to this he was Vice Principal of St Hild College (previously the Yorkshire Ministry Course) at Mirfield, UK. He has published books on William Temple, including Archbishop William Temple: A Study of Servant Leadership (scm Press 2022) and study guides on Anglicanism, Christian mission and Church history and edited the official report of the 2022 Lambeth Conference. He is an Honorary Fellow in the Department of Theology and Religion, Durham University, UK.
Dorothea Wendebourg is Professor Emerita for Early Modern and Modern Church History at the Humboldt-Universität zu Berlin. She holds doctoral and post-doctoral degrees from the University of Munich. Before taking up her professorial chair in Berlin, she held chairs at the Universities of Erlangen, Göttingen and Tübingen, as well as a Guest Professorship at Duke University, Durham, NC, USA. Her main fields of research are the history of the Reformation, ecumenical history, and history of the liturgy. She is a member of the Editorial Advisory Board of Ecclesiology.
