Jon and his wife Marilyn have worked with Overseas Missionary Fellowship (OMF) since 1988, when they began working in the Philippines with the Kalagan people, a community of 50,000 unreached Muslims. Over the years, Jon has served in several capacities at OMF, including Director of Personnel for OMF Canada and International Director for Mobilization (IDM) at the OMF International Headquarters in Singapore. As IDM, Jon worked with OMF’s mobilization teams in 18 different countries, helping them understand and get involved with the needs and opportunities among East Asian peoples. In 2013, Jon, Marilyn and their three children returned to Canada after Jon accepted the position of National Director of OMF Canada. Jon is the author of Cross Currents: The Story of the Muslim and Christian Encounter in the Philippines (OMF Literature, 2005).