 Swartz went to Britain in 2001 as Regional Desk Officer for the United Society for the Propagation of the Gospel, London (until 2005), responsible for the link with the ecclesiastical provinces of West Africa, Southern Africa and the Indian Ocean.He also served as honorary chaplain at Southwark Cathedral.In 2006 Swartz returned to South Africa as the Dean of Pretoria before being elected and ordained to the episcopate in 2007.