We’re on a mission to become the world’s most valued metals and mining business – for the people who invest in us, the people we work and partner with, and the communities around us
Our business
We operate in 35 countries where our 60,000+ employees are working to find better ways to provide the materials the world needs
Our purpose in action
Continuous improvement and innovation are part of our DNA
Innovation
The need for innovation is greater than ever
We supply the metals and minerals used to help the world grow and decarbonise
Iron Ore
The primary raw material used to make steel, which is strong, long-lasting and cost-efficient
Lithium
The lightest of all metals, it is a key element needed for low-carbon technologies
Copper
Tough but malleable, corrosion-resistant and recyclable, and an excellent conductor of heat and transmitter of electricity
Bringing to market materials critical to urbanisation and the transition to a low-carbon economy
Oyu Tolgoi
One of the most modern, safe and sustainable operations in the world
Simandou Project
The world’s largest untapped high-grade iron ore deposit
Western Australia
While iron ore is central to our operations in WA, we have a diverse presence across the state, from salt, lithium, our diamond legacy and our promising copper-gold project
Providing materials the world needs in a responsible way
Climate Change
We’re targeting net zero emissions by 2050
Nature solutions
Our nature-based solutions projects complement the work we're doing to reduce our Scope 1 and 2 emissions
Enabling ESG transparency
Our START™ initiative tracks traceability and responsible production of Rio Tinto materials.
We aim to deliver superior returns to our shareholders while safeguarding the environment and meeting our obligations to wider society
2025 annual results
Announced on Thursday 19 February 2026
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Things You Can't Live Without
Our podcast discussing what needs to happen to create a sustainable future for the everyday items we have come to rely on
Refuelling the mining industry
How can we power the world’s biggest machines with new fuel solutions?
Forging a low-carbon future
How we're working to decarbonise iron ore and steel
Discover more about life at Rio Tinto
Graduates and interns
If you want to drive real change, we have just the place to do it
In-house consulting
Discover how our in-house consultancy team, PACE, offers a unique opportunity to help shape Rio Tinto from the inside
Available jobs
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Mark was appointed to the Executive Committee in 2020 and leads Safety, Development & Technical.
As Chief Safety & Technical Officer, Mark is accountable for Group-wide standards and assurance, covering safety, technical, and communities and social performance. In this role, Mark is also accountable for exploration, major capital projects, and managing closure legacy sites.
Mark joined Rio Tinto in 1995 as a Senior Mechanical Engineer and has worked in operational and functional leadership roles, including Iron and Titanium, Group Risk and Global Procurement.