Ms Harris, currently the executive director, markets group with the Treasury has a strong knowledge of the regulatory environment and will act as a valuable link between the Treasury and the FRC, according to a Government statement.
Mr Lewis is currently a group executive with the Australian Securities Exchange where he is responsible for compliance and investor education.
Both appointments are for a period of three years.
The Financial Reporting Council is the peak body responsible for overseeing the effectiveness of the financial reporting framework in Australia.
