Mark was appointed to the Board on 22 September 2014 and was appointed as Lead Independent Director on 9 April 2021. He currently operates an independent consultancy in South Africa. He has extensive experience in mining finance, having spent over 25 years in senior financial positions in Anglo American plc and the De Beers Group, as Chief Financial Officer of Xstrata Alloys South Africa and Group Controller for Xstrata plc. He is a member of the Audit and Risk Committee.