Mr O'Leary was appointed Chief Executive Officer of Iluka Resources Limited in September 2016. Mr O’Leary contributes to Iluka more than 30 years’ experience in executive management, business development and investment banking in the energy and banking sectors.

Mr O’Leary 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 had 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 Mr O’Leary has been a non-executive Director of the Clontarf Foundation, a not-for-profit organisation that helps young Aboriginal men improve their education, discipline and employment prospects. Mr O’Leary was previously a non-executive member of Edith Cowan University Council.

Mr Mactier was appointed to the Board in May 2025. Mr Mactier has extensive experience in the commodities and resources sectors and capital markets globally. He spent 24 years with Macquarie Bank Limited, including 15 years as co-head of its Metals and Energy Capital Division and as a member of its Fixed Income, Currencies and Commodities Group management committee.

Mr Mactier currently serves as Chair of ASX-listed Regis Resources Limited and is an Advisory Board member of Warradarge Energy Pty Ltd. He was also previously a member of Resource Capital Funds Managing Partner’s Advisory Board.

Mr Mactier is an independent non-executive Director, Chair of Iluka’s Board, and Chair of the Nominations and Governance Committee.

Ms Corlett was appointed to the Board in June 2019. Ms Corlett contributes to Iluka more than 25 years’ experience in exploration, mining operations, mining finance and investment.
 
Ms Corlett is a professional non-executive director following an executive career spanning mine operations, investment banking and private equity. A geologist, Ms Corlett's background is in mining operations and exploration for RGC Ltd and Goldfields Ltd.  Ms Corlett was previously an Investment Director for Pacific Road Capital Ltd (a global mining private equity fund), following a career in mining project finance and credit risk management for Standard Bank Limited, Deutsche Bank and Macquarie Bank.
 
Ms Corlett currently serves as non-executive Director of Aurelia Metals Limited, Mineral Resources Limited, and Silex Systems Limited, and trustee for the Australian Institute of Mining and Metallurgy (AusIMM) Education Endowment Fund. Ms Corlett is a former non-executive Director of The David Burgess Foundation and former Treasurer of the Foundation of National Parks and Wildlife.
 
Ms Corlett is an independent non-executive Director. She is Chair of the Sustainability Committee and a member of the Audit and Risk Committee and the Nominations and Governance Committee.

Ms Sutton was appointed to the Board in March 2021. Ms Sutton contributes to the Iluka Board over 25 years' expertise across a range of operational and corporate functions, having held a number of executive roles in health, safety, and environment; human resources; and infrastructure management within the resources sector.

Ms Sutton’s 25-year career with Rio Tinto included a secondment as CEO and Managing Director of Energy Resources of Australia (ERA) from 2013 to 2017; Head of Health, Safety, Environment and Security; Managing Director Support Strategy Review - Human Resources; General Manager of Operations at the Bengalla Mine; and General Manager of Infrastructure, Iron Ore.

Ms Sutton currently serves as a board member of National Association of Women in Operations (NAWO) and Australian Nuclear Science and Technology Organisation (ANSTO), and is a non-executive Director of Red 5 Limited and DDH1 Limited. She was previously a non-executive Director of ERA and Infrastructure WA.

Ms Sutton is an independent non-executive Director, Chair of the People and Performance Committee, and a member of the Nominations and Governance Committee and Sustainability Committee.

Mr Smith was appointed to the Board in June 2024. He brings to Iluka wide-ranging operational and leadership experiences and a strong commercial and cultural focus.

Mr Smith joins Iluka after an executive career spanning more than 46 years, primarily in the resources sector. He has worked in a range of sectors including gold, coal, metals and fertilisers and held senior positions with Rio Tinto, WMC Resources, Ensham Resources, Western Metals, Newcrest Mining, Israel Chemicals Limited, and Kestrel Coal Resources.

Mr Smith is currently a non-executive Director of ASX-listed Evolution Mining. He was previously a non-executive Director of NSW Minerals Council and Western Metals Limited.

Mr Smith is an independent non-executive Director and a member of the Audit and Risk Committee, Nominations and Governance Committee, and Sustainability Committee.

Mr Meyerowitz was appointed to the Board in April 2026. He contributes to Iluka more than 45 years’ financial, auditing, risk and compliance, and commercial experience.

Mr Meyerowitz was a former Audit Partner at the international accounting firm of EY for 30 years, including 10 years as the head of the Perth Audit division. He also served as a member of the EY National Board of Directors.

Mr Meyerowitz has acted as the lead audit signing partner for several of Australia’s ASX 100 companies. He has provided a full suite of assurance services to some of Australia’s leading public and private companies with national and international operations across a diverse range of industry sectors.

Mr Meyerowitz was also formerly the Group Finance Director and then Group Risk and Compliance Director of APM Human Services International Limited, an ASX-listed human services provider operating in 11 countries.

In addition to Iluka, Mr Meyerowitz currently serves as a Non-executive Director of Deep Yellow Limited (ASX-listed), Satterley Property Group Pty Ltd, and Ardross Holdings Pty Ltd.

Mr Meyerowitz is an independent Non-executive Director, and a member of the Audit and Risk Committee and Nominations and Governance Committee.