Our Team

Rev. Dr. Solomon S. Sule-Saa


Rev. Dr. Solomon Sumani Sule-Saa is the Director of the CISEA. He also doubles as the Dean of Continuing Education as well as a Senior Research Fellow  at the Akrofi-Christaller Institute. Dr. Sule-Saa studied at the Akrofi-Christaller Institute and the University of Natal for his PhD and MTh in African Christianity. He obtained his Bachelor of Religion and Psychology from the Trinity Theological Seminary and the University of Ghana. 

Rev. Dr. Sule-Saa is also a Minister of the Presbyterian Church of Ghana and served in various leadership roles of the Church. These include the Nation Director of Ecumenical and Social Relations and the Chairperson of the Northern Presbytery. He also served on the Northern Regional National Peace Council and participated in several local and international conferences on themes related to Christian mission, interfaith relations and peace building.

Dr. Sule-Saa’s publications include the following:

  1. “The Northern Outreach Program”, in International Bulletin of Missionary Research, July, 1999, Vol. 23, No. 3, pp.112-116.
  2. “The Redemptive Role of Mother-tongue Scriptures: The Case of the Dagomba and Konkomba of Northern Ghana”, Journal of African Christian Thought, December 2007, Vol. 10, No. 2, pp.18-29. 
  3. “Owning the Christian Faith through Mother Tongue-Scriptures: A Case Study of the Dagomba and Konkomba of Northern Ghana”, Journal of African Christian Thought, December 2010, Vol. 13, No. 2, pp.47- 53.
  4. Making a Difference: the Mother Tongue Scriptures Among the Dagomba and Konkomba in Northern Ghana, SIL International, Dallas, Texas, 2020.



Rev. Dr. Johnson Mbillah






Rev. Michael Sowah Nortey


Rev. Michael Sowah Nortey is a Research Fellow at the Akrofi-Christaller Institute of Theology, Mission and Culture (ACI) and an Associate of CISEA.  He is also an Ordained Minister of the Presbyterian Church of Ghana. 

Rev. Nortey is also a Doctoral Candidate at ACI working on his thesis titled, “Missions and Conversions in Christianity and Islam: A Study on the Experiences of Christian and Muslim Converts in Ghana”. He previously did MTh in African Christianity and MA in Theology and Missions ACI during which he respectively researched on the topics Mission Schools And Christian-Muslim Relations In Ghana : A Case Study Of The Presbyterian Boys’ Senior High School (Legon) And Ta’limul Islam Ahmadiyya Senior High School (Kumasi) and “The Significance of Religious Plurality to Christian Theology & Practice: The Cases of Presbyterian Interfaith Research and Resource Centre(PIRRC) and Programme for Christian-Muslim Relations in Africa(PROCMURA)

He previously read Economics and Sociology. Rev. Nortey’s research interest is in Interfaith Relations, Gospel & Culture and Christian Leadership.




Mr. Emmanuel Kwame Tettey


Emmanuel Kwame Tettey is Research Fellow  both at the Akrofi-Christaller Institute and the CISEA. He is largely involved in the continuing education programmes of the Centre and Institute. Mr. Tettey’s research interest is in theological themes in Christian-Muslim engagement and issues at the intersection of religion and society.  He is currently also a PhD candidate in Islam and Christian-Muslim Relations at the University of Edinburgh, undertaking a comparative study of Church-based financial services and Islamic finance, within the broader disciplines of public theology and Islamic jurisprudence.  He previously studied for Masters in Islam and Christian-Muslim Relations at etc University of Edinburgh, Masters in Strategic Planning and Management at the University for Development Studies, Masters in Theology and Mission at the Akrofi-Christaller Institute, Bachelor of Economics at the University of Ghana and a Certificate in Ecumenical Studies from the Bossey Institute.

Mr. Tettey has also been involved with Church work both at the local and international levels, having serviced especially in the areas on ecumenical and social relations ministry of the Presbyterian Church of Ghana. He has served with the World Council of Churches, World Communion of Reformed Churches, Evangelical Mission in Solidarity and other international ecumenical organisations. In 2018, he was part of the Ghanaian delegation to the 2nd Edition of the ECOWAS Forum on Education for the Culture of Peace through Interfaith Dialogue in Niamey where he presented a paper on “Youth and Peacebuilding through Interfaith Dialogue”. 

Also in 2020, Mr. Tettey was awarded the Gingko Fellowship Collaboration Prize by Gingko Library for a joint research on Christin-Muslim majority-minority relations in Ghana and Egypt. His publications include: “A Case for the Political Engagement of the Church in Ghana as a Check on Power in Political Leadership”, Journal of African Christian Thought 23, No.2 (December 2020)