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    MinRes COO appointment amid Onslow Iron build‑out: logistics lens for mine planners

    May 8, 2026|

    Reviewed by Joe Ashwell

    MinRes COO appointment amid Onslow Iron build‑out: logistics lens for mine planners

    First reported on Australian Mining

    30 Second Briefing

    Mineral Resources (MinRes) has appointed Darren Killeen as chief operating officer as it ramps up operations at its Onslow Iron project, which includes a new deep-water marine facility and transhipper-based export chain. The leadership change comes during a major growth phase spanning iron ore, lithium and energy, with MinRes investing heavily in haulage infrastructure, crushing hubs and port capacity in the Pilbara. For mine planners and contractors, the move signals continued capital deployment into large-scale bulk handling systems and long-haul logistics rather than divestment or slowdown.

    Technical Brief

    • Operational focus now shifts from project delivery to optimising throughput, availability and unit costs.
    • For contractors, stable COO leadership usually correlates with longer-term service contracts and execution continuity.

    Our Take

    Recent coverage in our database shows MinRes’ ramp-up at the Onslow Iron marine operation and port facilities driving both higher FY25 production guidance and record mining services volumes, so a new COO will likely be judged quickly on execution performance at that asset.

    MinRes-focused items in the 1207 Mining stories often pair iron ore growth in Western Australia with balance-sheet management, including a net debt position around $4.5 billion, which suggests the COO role will be as much about disciplined capital deployment as day-to-day operations.

    The Lamb Creek iron ore project in the Pilbara, already under development in our recent coverage, indicates MinRes is building a multi-asset iron ore hub in Australia, so operational leadership will need to coordinate logistics and contracting across both onshore pits and the Onslow Iron marine chain.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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