David is an architect and spent many years leading design teams working on healthcare projects. Since 2002 he as been a member of OMF International, the Singapore-based mission agency with a vision for indigenous biblical church movements among the peoples of East Asia. David is OMF's Creation Care Advocate; he is tasked with exploring the growing ecological challenges, their impacts on the peoples of East Asia, and appropriate responses that are in line with OMF's vision.

David's background as an architect helps him to see the inter-relatedness of different aspects of mission, and possibilities for new connections and partnerships between organizations that share a heart for furthering the Kingdom of God.