Karl teaches church history and missions at Bangkok Bible Seminary, and assists with translation and editing at Kanok Bannasan (OMF Publishers Thailand), one of the few publishers of Thai Christian books. Living right next to the seminary campus in downtown Bangkok, both Karl and Sun have opportunities to invest in the lives of students, the next generation of Thai church leaders. They are also involved in a new church plant called Grace City Bangkok, and Karl does itinerant preaching at various churches in the Bangkok area and beyond.
Karl and Sun and children are currently on study leave in Scotland for Karl to pursue doctoral studies. Upon completion, they will return to Thailand.