The Team

The Jubilee Centre Team

Jonathan Tame has been the director of the Jubilee Centre since January 2012, after working for two years with Jubilee Centre’s sister organisation Relational Research.  Before that, he spent 11 years in Romania and 8 in Switzerland with Youth With A Mission.  He holds a masters degree in agricultural economics, his wife Helene is a community chaplain, and they have five children.




Guy Brandon first came to the Jubilee Centre in 2006 as a part-time researcher and author, and is now our research director and main writer. He is a trained counsellor and freelance writer, and has a degree, MPhil and PhD in Old Testament theology from Cambridge University. He is married with two children.



Sally BertlinSally Bertlin joined the Jubilee Centre as International Coordinator and personnel officer in September 2012. She previously worked for Interserve, and prior to that with the Church Mission Society in Romania and in their London headquarters.




Philip Powell isresource_470 managing the development of our Learning Community, having worked for a number of NGOs in the field of justice, advocacy and training. He has a masters degree in Politics and International Relations, and represented Youth With A Mission at the United Nations.



Maggie Jones

Maggie Jones is our Supporter Relations Administrator. She hails from Glasgow but has been living in the Cambridge area for decades.  Originally an IT project manager, she took a lengthy career break to devote time to her family, before joining Jubilee Centre soon after we moved office to central Cambridge.



CalumCalum Samuelson is the Project Manager of our Reformation2017 initiative and originally from the city of Seattle. He holds a MA in Christian Thought from Olivet Nazarene University and a MPhil in Medieval History from Cambridge.




Mark VentnerMark Venter is our part time Finance Manager, working one day a week for Jubilee Centre and also for our sister organisations Relational Research and the Relational Thinking Network.





Founder and Life President

SONY DSCDr Michael Schluter CBE founded the Jubilee Centre in 1983 and is now Chief Executive of Relational Research, which facilitates a number of groups who are seeking to promote Relational Thinking internationally, mainly in Singapore, South Africa, Hong Kong, Australia and USA. He has a PhD in agricultural economics and worked in East Africa for six years as a consultant for the World Bank and the International Food Policy Research Institute.  Michael is married to Auriel, and they have 3 children and 12 grandchildren.



From left to right in the photo:

Gilly Lacey (Environmental researcher)

Andy McWilliam (Church consultant)

Sarah Snyder  (Theologian, Cambridge University)

Tim Adams (International Administrator, IFES)

Leila Ong (Tax specialist)

Ralph Lee(Researcher/Lecturer, SOAS London University)


Advisory Board Members

John Ashcroft (Director of research for the Relationships Foundation)

Dr Richard Gunton (Researcher in plant and landscape ecology at the University of Leeds)

Dr Paul Mills (Economist at a global financial institution)

Professor Julian Rivers (Professor of Jurisprudence, University of Bristol)

Dr Michael Schluter CBE  (Chief Executive, Relational Research)

Professor Paul Williams (Chief Executive of the Bible Society)