He was formerly a partner of a major international accounting firm and Chairman of the Australian Tax Research Foundation. Peter Farrell is Founder and Executive Chairman of Resmed Inc, foundation Director and former Professor of the Graduate School of Biomedical Engineering at the University of New South Wales, Chair of the Executive Council, Division of Sleep Medicine, Harvard Medical School and Member Visiting Committee, Whitaker College of Life Sciences MIT. Dick Warburton is Chairman of Westfield Retail Trust, Magellan Flagship Fund Ltd and the Board of Taxation and a Director of Citigroup Pty Ltd and of the Smith Family of which he is also Chairman-elect. He is a former Chairman and CEO of Du Pont Australia and New Zealand.