Darren Killeen
Chief Operating Officer
Darren holds more than 30 years’ experience in project delivery across Australia and internationally.
He joined Mineral Resources in 2009 and has held several key leadership roles including Manager of Projects, General Manager Infrastructure and Development, and Executive General Manager Construction.
As Chief Executive Engineering and Construction and led the design, construction and commissioning of the transformational Onslow Iron project. He has also supported other large-scale assets underpinning the company’s iron ore, lithium and mining services portfolios.
In 2026, Darren was appointed Chief Operating Officer and now oversees safe and efficient operations across our commodity divisions.
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Mineral Resources' (MinRes) Mining Services business delivered its most significant year on record in FY26, with the successful ramp-up of Onslow Iron contributing to record annual production and earnings.
When Mineral Resources (MinRes) announced its Onslow Iron project had hit nameplate capacity of 35 million tonnes per annum (Mtpa) in August 2025, it marked the first of several highlights in a record-breaking FY26.
Mineral Resources' (MinRes) Lithium division delivered record results in FY26, growing production and reinforcing its position as a leading hard-rock lithium producer.