Stephen is a long-time missionary with and representative for Operation Mobilization, an organization that seeks to encourage and equip God's people to "share the knowledge of Jesus and his love with every generation in every nation." In that role, he has been privileged to labour for Christ in many countries, in many contexts, with many groups, and in many languages. When home in Canada, Stephen is actively involved in local church ministry and theological education, and serves as an Elder at Oakridge.