I trained as an electrical engineer (BE Auckland), for the ministry of the Presbyterian Church of Aotearoa New Zealand (BD Otago), and in the Department of Religious Studies at the University of Aberdeen (PhD). I have taught Church History in Malaysia, and Mission Studies and Reformed Studies in New Zealand. I am an honorary life member of the International Association for Mission Studies.
I am currently writing on the trajectories of English non-conformist traditions in Asia, theological education and indigenization in Singapore and Malaysia, and an introduction to Reformed Christianities.
My publications include:
A History of Christianity in Malaysia. Singapore: Genesis Books, 2014.
"The Historiography of Christianity in Southeast Asia with Special Reference to Malaysia, Singapore and Indonesia." Asian Christian Review 7, no. 1 (2013): 40-62.
Michael Nai-ChiuPoon, Marek Rostkowski, and John Roxborogh, eds. Mission, Memory and Communion : Documenting World Christianity in the Twenty-First Century, 2013.
"Syncretism" and "Theological Education 4. Asia, Africa." In Religion Past and Present. Encyclopedia of Theology and Religion, edited by Hans Dieter Betz, Leiden: Brill, 2012.
"Rescuing the Memory of Mission: The Story of 'Documentation, Archives and Bibliography'." In Witness to World Christianity, edited by Gerald H Anderson, 133-56. New Haven: OMSC, 2012
"Christianity in South-East Asia, 1914-2000." In The Cambridge History of Christianity World Christianities C.1914-C.2000, edited by Hugh McLeod, 436-49. Cambridge: Cambridge University Press, 2006.
"Synkretismus: Kirchengeschichtlich." In Geschichte und Gegenwart : Handwörterbuch für Theologie und Religionswissenschaft, edited by Hans Dieter Betz, 1965f. Tubingen: J. C. B. Mohr, 2004.
Thomas Chalmers, Enthusiast for Mission : The Christian Good of Scotland and the Rise of the Missionary Movement, Rutherford Studies in Historical Theology. Edinburgh: Published for Rutherford House by Paternoster Press, 1999.