B.COM, CA

Mr Duffy was appointed Managing Director and CEO of Sunstone Metals in April 2024 and brings extensive international leadership, mine development, financial and governance expertise. Most recently Mr Duffy held the roles of both Chief Corporate Development Officer and Chief Financial Officer for Red 5 Limited (ASX: RED) and was a key member of the Company’s leadership team that has established Red 5 as a successful multi-billion dollar Australian gold producer through the development, construction and production ramp up of the 5.5Mtpa King of the Hills (KOTH) Gold Mine in Western Australia. 

Mr Duffy began his career with Ernst & Young and has since had broad leadership and executive roles in the international resource sector. He was CFO for the development of Xstrata’s US$6 billion Tampakan Copper and Gold Project in the Philippines and was Director – Strategy & Performance for the construction and production ramp up of Glencore Xstrata’s US$7 billion Koniambo Nickel Project in New Caledonia. He has worked extensively across Asia and the Pacific with mining and steel companies, and established a successful Hong Kong-based management consulting company.

PhD, MAusIMM

Dr Rohrlach completed a PhD at the Research School of Earth Sciences, Australian National University, Canberra (1997-2002), and studied the Tectonic Evolution, Petrochemistry, Geochronology and Palaeohydrology of the Tampakan Porphyry - High Sulphidation Epithermal Cu-Au Deposit, Mindanao, Philippines.

Dr Rohrlach has had a long career in the mineral industry in Australia, Philippines, PNG, Indonesia, Scandinavia, and South America. This has included extensive experience in all stages of the exploration to development cycle, from establishment of exploration and ore genesis models to management of reconnaissance and advanced exploration programs in regional and mine environments. As well as his considerable experience in multiple scoping, feasibility studies and orebody definition of several globally significant copper-gold porphyry projects, he has been instrumental in managing the discovery holes in two world class copper-gold deposits – at Tujuh Bukit (Indonesia) with ASX listed Intrepid Mines and Cascabel (Ecuador) with London listed SolGold.

BCom, CA, MBA, GAICD

Mr Welsh has over 25 years experience in various financial roles, including most recently as CFO of St Barbara Limited (ASX:SBM), where he had previously held the positions of Head of Transformation and General Manager Finance and Procurement. His experience also includes senior financial roles at WMC and PwC.

Mr Welsh holds a Bachelor of Commerce degree from the University of Melbourne and an MBA from the Melbourne Business School. He is a Member of the Australian Institute of Chartered Accountants and a Graduate of the Australian Institute of Company Directors.

B.Eng(Mining)(Hons), LLB

Mr Robinson is a mining engineer with over 20 years of industry experience in operating and developing mines in Australia, Papua New Guinea, Argentina and Laos. He has expertise in delivering feasibility studies from scoping study to detailed engineering level in both open-pit and underground projects across multiple commodities. Most recently he was employed by PanAust where he successfully delivered two prefeasibility studies for their Laos operations. Previous engagements have ranged from majors including Placer Dome at the Porgera mine, as well as juniors and mid-tiers including ASX listed Intrepid Mines. Mr Robinson holds a mining engineering degree from the West Australian School of Mines and a Bachelor of Laws.