Dallas is a Chartered Accountant and specialises in the areas of accounting, taxation and business services.

Dallas completed a Bachelor of Commerce degree at the University of Adelaide in 1996 and was admitted as a member of the Institute of Chartered Accountants in 1999. She is experienced in a broad range of areas within the accounting profession having previously held the roles of senior auditor at Arthur Andersen and group accountant for the Austereo Group.

Dallas is married to David (Bill's eldest son) and has four boys.