'Gerard Mannion is the Amaturo Professor in Catholic Studies at Georgetown University, Washington, DC, where he is also a Senior Research Fellow of the Berkley Center for Religion, Peace and World Affairs. He serves as chair of the Ecclesiological Investigations International Research Network (www.ei-research.net) and is editor of the Bloomsbury Series, Ecclesiological Investigations' Revd Dr Paul M. Collins, formerly Reader in Theology at the University of Chichester, Parish Priest on Holy Island, Northumberland, England. Gareth Powell  studied at Westminster College, Oxford, the Queen's Foundation and the University of Birmingham  and the Ecumenical Institute, Bossey in Switzerland. A Methodist Minister, he is currently the Methodist Chaplain to Cardiff University. Powell has wide experience of the issues that arise in ecumenical debate as a member of the Methodist-Roman Catholic Conversations and Chair of The Methodist Church Committee for Local Ecumenical Development. He is currently pursuing a Ph.D. in Methodism and Canon Law. Kenneth Wilson was educated at Cambridge and Bristol Universities and is a Methodist Minister. After chaplaincies to London University and Kingswood School, Bath, held the Rowbotham Chair in Philosophical Theology and Ethics at Wesley College Bristol and taught at Bristol University, (1973-80). 1980-1996 Principal Westminster College, Oxford; 1996-2001 Director of Research Queens Foundation, Birmingham. Currently: - Visiting Research Fellow, Canterbury Christ Church University, and Chichester University. His publications cover: Making Sense of It (Epworth); Focus on God (with Frances Young, Epworth); Freedom and Grace (ed. with Ivor Jones, Epworth); Readings in Church Authority (ed. with Gerard Mannion, Richard Gaillardetz and Jan Kerkhofs, Ashgate, 2003); Learning to Hope (Epworth, 2006).