Meet the team who are steering Mammoth Underground into its next chapter. Our leadership team brings together decades of mining expertise, proven success in underground operations, and a shared vision for excellence.
Bradley Hammond
Project Director
Brad brings over 20 years of expertise in underground and open-cut operations across various minerals, including Coal, Anthracite, Gold, and Manganese. He has formidable experience in both greenfield operations and in turn around projects across multiple operations.
Adam Foulstone
Senior Site Executive (SSE)
Adam is an experienced mining executive with over 20 years in the industry, efficiently managing international mining assets. Adam’s expertise spans base metals, coal, and gold, in both brownfield and greenfield open pit and underground operations.
Josie Blair
General Manager People
Josie Blair is an experienced and dedicated HR professional, having spent the past 16+ years in the mining industry building her knowledge and capability in supporting teams grow, develop and value culture.
Karl Barndale
Production Manager
Karl brings over 20 years of experience in underground coal mining. He has played a key role in notable projects, including the TBM drifts and establishing the first coal for both development and the longwall at major underground operations, while also having managed Bord and Pillar across multiple operations.
Wynand Grobler
Technical Services Manager
Wynand Grobler, our Technical Services Manager is Geotechnical Engineer with over a decade of experience. He graduated from the University of Pretoria with a BEng in Mining Engineering followed by an Honours degree in Management of Technology.
Maddison Sedgman
Commercial Manager
Maddison Sedgman, our Commercial Manager, is an experienced leader in the resources sector. He began his career in financial audit with PwC advising a diverse range of organisations within the resources industry, including the world’s largest coal port, the Port of Newcastle.
Clinton Barnes
Engineering & Maintenance Manager
Clinton Barnes, Engineering and Maintenance Manager, is a qualified Site Senior Executive who brings extensive experience leading mining operations, construction, and maintenance projects while ensuring safety compliance and operational excellence.