Ecumenical Institute at Bossey

The Ecumenical Institute at Bossey is the international centre for encounter, dialogue and formation of the World Council of Churches. Founded in 1946, the Institute brings together people from diverse churches, cultures and backgrounds for ecumenical learning, academic study and personal exchange.

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Teaching staff


Rev. Dr Ioan Sauca, Director

The director of the Ecumenical Institute is a priest of the Romanian Orthodox Church and lectures in missiology and ecumenical theology. He taught missiology and ecumenism in his home country at the Faculty of Theology in Sibiu, Romania. A graduate of the Ecumenical Institute, Sauca holds a Ph.D. in missiology from the University of Birmingham, England. Appointed director of the Ecumenical Institute in 2001, Sauca also heads the education and ecumenical formation programme of the WCC.
View CV and a list of publications (pdf)

Rev. Dr. Benjamin Simon, Professor of Ecumenical Missiology

Simon was working as Secretary for Mission and Ecumenism in his home Church, the Protestant Church in Baden, Germany, a united Church since 1821, and serving in different congregations. Before, he was lecturing at Makumira University College/Tanzania and the University of Heidelberg/Germany, from where he got his Dr. theol. The chair of Ecumenical Missiology is supported by the Council for World Mission (CWM), United Evangelical Mission (UEM) and Community of Churches in Mission (CEVAA, Communauté d’Eglises en Mission).
View CV and a list of publications (pdf)

Dr Amélé Ekué, Professor of Ecumenical Social Ethics

Ekué was senior lecturer at the Institute for Ecumenics, Missiology and Religious Studies at the Faculty of Protestant Theology of the University of Hamburg, where she also received her Ph.D. A member of the Evangelical Church in Germany (EKD), she has dual German and Togolese nationality. Ekué joined Bossey in 2007, combining teaching responsibilities with work on migration issues in the WCC.
View CV and a list of publications (pdf)

Rev. Dr Simone Sinn, Professor of Ecumenical Theology

A theologian and ordained pastor seconded to the WCC from the Evangelical Church in Germany (EKD), Simone Sinn holds a doctorate in systematic theology from the University of Münster. In her doctoral research, Sinn explored the theological and socio-political questions entangled in religious pluralism. From 2013 to 2018, Sinn worked in the theology department of the Lutheran World Federation in Geneva and coordinated international study processes and consultations in the area of public theology and interreligious relations. Sinn joined the faculty of the Ecumenical Institute in July 2018, combining teaching at Bossey with programme executive responsibility in the World Council of Churches’ Commission on Faith and Order.

View CV and a list of publications (pdf)

Rev. Fr Dr Lawrence Iwuamadi, Professor of Ecumenical Biblical Hermeneutics

A Roman Catholic priest of the Archdiocese of Owerri, Nigeria. Iwuamadi obtained his licentiate degree in Sacred Scriptures (SSL) from the Pontifical Biblical Institute in Rome and his Ph.D. in biblical theology from the Pontifical Gregorian University also in Rome. Before being appointed to the Ecumenical Institute in 2012 by the Vatican, he taught Fundamental Scriptures, Greek and New Testament Theology at the Seat of Wisdom Seminary in Owerri. The chair of Ecumenical Biblical Hermeneutics is supported by the Pontifical Council for Promoting Christian Unity (PCPCU). In January 2018, Iwuamadi was appointed the Academic Dean.

Rev. Dr Odair Pedroso Mateus, Professor of Ecumenical Theology

A pastor of the Independent Presbyterian Church of Brazil, Mateus worked in the Office for Theology and Ecumenical Engagement in the World Alliance of Reformed Churches and edited its quarterly journal Reformed World. A graduate of the Ecumenical Institute, he holds a Ph.D. in theology from the Faculty of Protestant Theology of the Marc Bloch University, in Strasbourg, France. From 2007 he is lecturing at the Ecumenical Institute and participating in the work of WCC’s Faith and Order Commission. Since 2015 he also has been appointed Director of Faith and Order. His chair is supported by the US-based Christian Church (Disciples of Christ).
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Rev. Dr Martin Robra, Professor of Social Ethics

A theologian and ordained pastor of the Evangelical Church of Westphalia, Germany, Robra is Professor of Ecumenical Social Ethics, and programme staff for the World Council of churches in Roman Catholic Relations, and the joint inter-faith project with the International Labour Organisation Advancing Peace through social justice and support to the Associate General Secretaries concerning the pilgrimage of justice and peace. He is teaching at the Ecumenical Institute since autumn 2014.
View CV and a list of publications (pdf)