Mark is one of the most prolific symphonic arrangers in South Africa. He has scored hundreds of arrangements for orchestras across South Africa and abroad, including the Johannesburg Festival Orchestra, the Johannesburg Philharmonic Orchestra, the Cape Town Symphony Orchestra and the Kwazulu Natal Philharmonic Orchestra.

His arrangements have been performed on TV ('Joburg Pops' & 'Telkom Christmas Concerts'), at the 'Starlight Classics' concerts for Rand Merchant Bank as well as at corporate events for clients including Altron, Vodacom, Bidvest and Barloworld.