Mark Sawyer co-founded Greenstone Resources in 2013 after a 16 year career in the mining sector including senior executive roles in Xstrata plc, Rio Tinto plc and Cutfield Freeman & Co Ltd. Together with Michael Haworth, Mark oversees all aspects of the management of Greenstone Resources. Mark serves as a director of Greenstone Management Ltd, the fund’s General Partner. Mark is a member, and co-chairman, of the Investment Committee
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