Вонк
In 1999, he was employed by AFC Ajax as the manager of the international youth system, working with the academies in Ghana, Belgium and South Africa. In 2008, he succeeded Hans Vonk as the technical director at Ajax Cape Town. In October 2009 he was briefly the interim manager for Ajax Cape Town following a brief interim stint by Muhsin Ertuğral. Jan Pruijn was relieved at the Cape club by Foppe de Haan, to whom Jan would become the assistant, leading Ajax CT to second place in the South African PSL that season.