Board Of Directors
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Cullum Winn
Managing Director
Mr Winn is a highly experienced mining engineer from the Western Australian School of Mines. He holds a Western Australian First Class Mine Manager's Certificate and is a member of the Australasian Institute of Mining and Metallurgy (AusIMM).
Most recently, Mr Winn served as General Manager of Operations at Bald Hill for Lithco / Liatam Mining, where he played a key role in the successful ramp-up and stabilisation of operations to nameplate production. He advanced safety initiatives, ensured environmental compliance, and built strong, positive relationships with the Ngadju Native Title Corporation, the Ngadju people, and key stakeholders in the local community.
Mr Winn has held senior leadership roles at several prominent mining companies, including Newcrest Mining Limited, Westgold Resources Limited, Barrick Gold Corporation, and Norton Gold Fields. At Newcrest’s Havieron Project, he played a significant role in both the internal and external approvals for the Early Works Stage. He worked closely with the Jamukurnu Yapalikurnu Aboriginal Corporation (JYAC) and the Martu people, ensuring the project aligned with community expectations and respected cultural values.
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Gary Lyons
Non-Executive Chairman
Mr Lyons is a successful and well respected Perth based businessman; being a shareholder and the Managing Director of the Heiniger Group’s Australasian operations for the last 32 years.
Mr Lyons is also Chairman of GWR, and is a member of both the GWR Audit & Risk Management Committee and the GWR Remuneration Committee. Mr Lyons is also Chairman of ASX listed Tungsten Mining NL and E-Metals Limited.
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Teck Siong Wong
Non-Executive Director
Mr Wong is a Malaysian based businessman with considerable international experience having worked in Hong Kong, the United Kingdom and now in Malaysia and Indonesia after graduating with a Bachelor of Business degree from Swinburne University (Melbourne).
Mr Wong is involved with the iron ore mining industry in Indonesia. He was previously involved in the sales and export of steel related products and was a director of a retail chain business in the United Kingdom, previously known as JW Carpenter Ltd. Mr Wong was working in the OEM plastic manufacturing industry in Hong Kong prior to taking up a position in the steel industry in Malaysia.
Mr Wong is an alternate director of GWR and is also a non-executed director of ASX listed Tungsten Mining NL and E Metals Limited.
Company Secretary
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Simon Borck
CFO and Company Secretary
Mr Borck was appointed Chief Financial Officer and Company Secretary, effective 16 December 2024.
A Chartered Accountant with 15 years of experience as a senior finance executive in the resources sector, Mr Borck has expertise in statutory, financial, and management reporting, as well as company secretarial matters.
Mr Borck has worked with mining service providers and has collaborated with resource companies across all stages of exploration, development, and production.