Callan Lowes joined Northparkes Mines in 2022 and has since worked in both the plant and evaluation metallurgy teams. His role in the evaluation metallurgy team focuses primarily on technical support for capital projects across all stages of the project life-cycle. Prior to joining Northparkes, Callan spent one and a half years working on research and development of beneficiation technologies at the University of Newcastle's Newcastle Institute for Energy and Resources. He holds B.Eng and PhD in Chemical Engineering.

Jeremy is currently Director of Engineering for Weir Minerals Asia-Pacific, leading the engineering function delivering solutions to the mining and minerals processing industry. Beginning his career as a chartered Mechanical Engineer, he then completed commercial training through an MBA, and technical training in minerals processing, while working in various project, engineering management, technology, and innovation roles. He completed a PhD at the University of Queensland's JKMRC, where his research area was in techno-economic modelling and analysis of comminution in metalliferous mines, and where he continues his affiliation as an Adjunct Fellow. Jeremy has worked within the minerals processing and mining industry for the past 15 years.

Fraser is metallurgical engineer with 15 years experience. He has held production and project metallurgy roles at gold, silver and copper processing plants in Australia, Papua New Guinea and Vietnam. Across these roles I have specialised in sulphide flotation concentrators. Since 2019 Fraser has been metallurgy superintendent at Carrapateena, seeing the through plant commissioning and several stages of subsequent expansions.

Campbell currently serves as the Metallurgical Superintendent at Cadia Operations, where he leverages his expertise in metallurgy to optimise plant production and deliver expansion or improvement projects. Campbell holds a Bachelor’s degree in Metallurgical Engineering with First Class Honours from the Western Australian School of Mines. Campbell began his career in Western Australian with Newmont Mining Corporation before moving to OceanaGold as part of a Newmont asset sale in 2015. Campbell continued to work with OceanaGold at their New Zealand operations until 2019 when he joined the Cadia Operation.

From Adelaide, South Australia, Jacqueline is the Senior Plant Metallurgist at BHP's Carrapateena. After completing her Bachelor of Chemical Engineering (Hons) at The University of Adelaide in 2016, she began with OZ Minerals at their Prominent Hill site working in the concentrator processing department, and transferred into metallurgy soon after. In 2019, she took a role at Carrapateena as a Plant Metallurgist to commission the newly constructed concentrator.