Mark is Chair of Global Tailings Management Institute an organisation which works to promote safety across the mining industry. He is also an Independent Director at TotalEnergies and Senior Independent Director and Sustainability Committee Chair at Laing O’Rourke plc.

He was Chair of Vale Base Metals, where he has oversaw the newly ring-fenced nickel, copper, and cobalt division of Brazil’s Vale S.A., and guided the unit through a strategic repositioning aimed at growth and efficiency in preparation for an anticipated liquidity event. Mark was previously Chair of De Beers Group of Companies and a Non-Executive Director of Anglo American Platinum Ltd

Before Anglo American, Mark was CEO of AngloGold Ashanti, where he stabilised an over-hedged gold portfolio and significantly improved safety and performance. Earlier roles include COO of Vale Inco’s global nickel division, and leadership positions at Inco, Normandy Group, Sons of Gwalia, Western Mining Corporation and CRA (Rio Tinto).

He brings deep cross-sector expertise in:

• Mining turnaround & operational excellence – dramatically improved profitability, safety and efficiency at diversified mining companies

• Energy transition metals strategy – steering base-metal asset strategy, investor exit readiness, and ESG positioning

• Global resource governance – serving on boards of major energy and infrastructure firms, with a focus on sustainability and capital discipline

• Stakeholder engagement & ethical leadership – rebuilt trust with employees, regulators, investors and communities through transparent, accountable governance

A graduate in mine engineering from the University of Wollongong, Mark began his career underground at Coal Cliff colliery in 1976. He is a Fellow of the Royal Academy of Engineering, AusIMM, and IOM3, and was appointed CBE in 2024 for services to investment in the global mining industry. He has been honoured with a Lifetime Achievement Award and multiple industry recognitions, including Mines and Money and the AusIMM Institute Medal.

Mark is known for his strategic clarity, moral courage, and ability to lead large-scale, culture-changing transformations. His current and past leadership roles combine technical depth with governance acumen, offering valuable insight to organisations navigating resource intensity, energy transition, and public trust.