Mark Sawyer co-founded Greenstone Resources in 2013 after a 16-year career in the mining sector.
Prior to establishing Greenstone, Mr Sawyer was general manager co-head of group business development at Xstrata where he was responsible for originating, evaluating and negotiating new business development opportunities. Prior to Xstrata, Mr Sawyer held senior roles at Cutfield Freeman & Co (a boutique corporate advisory firm in the mining industry) and at Rio Tinto.