Wolfgang (MTh equivalent) studied theology in Basel, Tübingen and Wuppertal and was ordained as pastor of the Protestant Church of the Rhineland. In 1991 he joined WEC and went to the north of Ghana. His emphasis was on theological training of lay leaders (TEE.). He also advised on the dependency problem between mission and church, which is now one of the missiology subjects he teaches at Cornerstone. He is also responsible for the library.