Mrs Ridout was appointed as a director in September 2011. She is a member of the Safety, Health, Environment, Community & Sustainability Committee, the Remuneration Committee, the Risk, Audit & Compliance Committee and the Nomination/Governance Committee. Mrs Ridout was formerly the Chief Executive Officer of the Australian Industry Group from 2004 until her retirement in April 2012. She is a member of the Board of the Reserve Bank of Australia (since December 2011), and is a director of Australian Securities Exchange Limited (since August 2012) and Chair of the AustralianSuper Trustee Board, the largest industry fund in Australia. Mrs Ridout also serves on the Board of the Australian Chamber Orchestra and is also co-Chair of the Australian-Canada Economic Leadership Dialogue. She has an economics degree, with honours, from the University of Sydney.