Chief Technical Officer
Mark was appointed to the Executive Committee in 2020 and became Chief Technical Officer in October 2021.
Mark joined Rio Tinto in 1995 as a Senior Mechanical Engineer and has worked in operational and functional leadership roles, including in our Iron and Titanium business unit, Group Risk, and Global Procurement.
Mark is responsible for our development teams, including Exploration, Studies and Major Capital Construction, Renewable Energy Projects, and Closure teams working to rehabilitate and repurpose mines and facilities at the end of the development cycle. Mark’s remit also includes our technical centres of excellence as well as the Office of the Chief Scientist, which drives our global research and development activities. Mark is our representative on the Champions of Change Coalition, a group of business and community leaders working to achieve a significant and sustainable increase in the representation of women in leadership.