Mark joined Price Waterhouse upon leaving school and completed a
Bachelor of Commerce at University of New South Wales. He qualified as a Chartered Accountant in 1976 and was admitted as a Fellow to the Institute in 1983.

In 1978 he left the tax section of Price Waterhouse to go into public practice specialising in taxation advice for individuals and small business.

Mark is married with two adult children. At home, he enjoys spending time reading and gardening; away from home he and his wife spend time at their cottage in the country.