Mr O'Leary was appointed Chief Executive Officer of Iluka Resources Limited in September 2016.
He was previously Managing Director of Wesfarmers Chemicals, Energy and Fertilisers, a division of Wesfarmers Limited, having been appointed to that role in 2010. Mr O'Leary joined Wesfarmers in 2000 and, prior to that, had worked in London in finance law, investment banking and private equity.
Mr O'Leary holds a law degree from The University of Western Australia and has completed the Advanced Management Program at Harvard Business School. Since 2006 he has been a director of the Clontarf Foundation, a not-for-profit organisation that helps young Aboriginal men improve their education, discipline and employment prospects.