Graham Rigo is on the Executive Team at Blackstone Minerals, focused on the delivery of Blackstone’s flagship project, the Ta Khoa Project, located in northern Vietnam. Graham joined the Blackstone team in 2021 as an experienced Study Manager also having extensive experience in hydromet operations. He is a Fellow of the Australian Institute of Mining and Metallurgy, with undergraduate degrees in Chemical Engineering and Finance from Curtin University. Prior to joining Blackstone, Graham was a Study Manager where he was responsible for delivering a series of Scoping, PFS and DFS studies for both Australian and international projects. Graham has over 11 years of on-site experience in nickel and cobalt hydromet operations, with experience learnt in these hydromet roles directly transferrable to Blackstone’s Ta Khoa Project with respect to plant design, operation, maintainability and safety.