Academic Dean of the Oxford Centre for Mission Studies (OCMS), a doctoral research centre in the University of Oxford specializing in the study of World Christianity and civil society, which has a major influence with global Christian ministries and leaders throughout Asia, Africa, and Latin America. He oversees the academic program to build global relationships. Prior to serve at OCMS, he served for 11 years in Singapore at Trinity Theological College. He was the Chair of the Theological Review and Response Committee of the Presbyterian Church in Singapore and as an executive board member of the National Council of Churches, Singapore. His expertise is in China and Southeast Asian Church and State.