Board of Directors

non-executive chairman

Peter Cook

Mr Cook is a geologist BSc (App Geol 1983), mineral economist (MSc Min Econ 1995 WASM) and highly experienced veteran of the Australian resource sector. He is currently the Managing Director of Westgold and has more than a decade of association with the Company and its assets. Mr Cook has substantial experience in the exploration, development, mining, construction, permitting and financing of development projects within Australia as well as the corporate management of listed public entities. 


Mark Hepburn

Mr Hepburn has a degree in Economics and Finance (B.Econ. & Fin 1992 UWA) and has been a member of the Australian Institute of Company Directors since 2008. He has significant experience in institutional stockbroking, corporate transactions and the management and corporate development of public companies. Mr Hepburn brings substantial market aptitude and the critical marriage between the risk aspects of exploration and development, with the intricacies of capital markets.

Mr Hepburn is also a Non-Executive Director of ASX listed lithium and gold explorer Mali Lithium after an acting role as CEO where he oversaw the company’s refinancing and corporate re-structuring. He was also on the board of ASX listed Indonesian gold developer Sihayo Resources until November 2018. 

Non-executive Director

John Braham

Mr Braham is an experienced Mining Finance and Investment professional having a 24-year career with Macquarie Bank until 2017. For the last 11 years of his service he was an Executive Director and co-head of Macquarie’s Global Mining and Finance Division.

Mr Braham has vast experience in the provision of debt and equity to mining, exploration and development companies, worldwide. Mr Braham brings Castile a set of finance and corporate skills to greatly assist with its future financing and development needs. Since November 2018, Mr Braham has served as Managing Director of the ASX listed and South American focused Equus Mining Limited. 


Jake Russell

Mr Russell is a geologist B.Sc. (Hons) MAIG with circa 20 years of experience in exploration, mining, resource development and management. He is currently the group Chief Geologist of Westgold Resources Limited and prior to its demerger from Metals X Limited, he was the Group Chief Geologist of Metals X Limited. Mr Russell brings Castile a second to none knowledge of the assets of Castile and a high degree of technical expertise in their exploration, resource development and exploitation.

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