After school and military service he studied Education and a B.Comm degree. (7 Years). He is also a qualified auctioneer and estate agent.
He taught in primary as well as secondary schools. At secondary school level he taught Woodwork, Economics, Accounting and Business Economics. He later became a College Lecturer and taught Entrepreneurship, Management and Business Economics.
After nineteen years of teaching, his keen interest in business led him to venture out into his own business serving the agricultural sector for fourteen years. Besides marketing farming equipment he also worked as an estate agent and auctioneer.
In 2009 he experienced that the Lord called him back to teaching people. His training as well as his educational and business experience combined with a comprehensive knowledge of the Bible and studies in Educational- and Industrial Psychology formed the basis of starting Jedidiah Centre.
Since 2013 he is also doing radio broadcasting and freelance journalism.
David is married to Tokkie and they have two sons and two daughters.