Our Team
Technical Director - Process and Metallurgy
James Davidson
James is a globally recognized mining professional with over 30 years of expertise in hydrometallurgy, specialising in uranium and base metals extraction through innovative processes like in-situ recovery (ISR) and ion exchange technologies. His leadership in process design, pilot plant development, and water treatment solutions has driven operational excellence across global mining operations.
Technical Director - Hydrogeology
Ben Jeuken
With over 20 years in the groundwater and mining industry, Ben brings significant experience and a practical approach to every project. As a Principal Hydrogeologist, he has led successful outcomes in mine water management, groundwater supply development, in situ recovery of uranium and other metals, and potash brine mine development. Known for turning complex challenges into clear, workable strategies, Ben helps clients unlock value while balancing operational needs with environmental responsibility.
Managing Director | Principal Process Engineer
Michelle Pember
Michelle is a Chartered Process Engineer with over 16 years of experience across process design consulting, design management, test-work programs, pilot plant supervision and operations. As General Manager and Principal at Rendement, she brings deep technical expertise and a proven leadership track record, guiding multi-disciplinary engineering teams across complex projects.
Her career spans a broad range of industries including water, wastewater, minerals processing, IX and uranium-from-phosphate technologies.
Technical Director - Water Infrastructure
Chris Hughes
Chris brings 30 years’ consulting experience in leading multidisciplinary program and project teams to identify, develop, design and deliver major infrastructure and environmental benefits and outcomes. Chris' expertise spans mining and resources, water and power utilities and federal, state and local government The programs and projects Chris has managed focus on infrastructure for water supply, drinking water, wastewater, environmental water, power, decarbonisation, critical minerals and circular economy.
Process Engineer
Erin Pottharst
Erin is a Process Engineer, experienced in hydrometallurgy and water process design as well as brownfields project delivery within complex operating environments. Erin combines strong first-principles engineering capability with practical project execution experience. She is particularly skilled at translating technical requirements into fit-for-purpose engineering solutions, working closely with operations and multidisciplinary teams to ensure designs are practical, efficient, and deliverable.
Hydrogeologist
Zach Rossato
Zach is a Hydrogeologist with four years of professional experience in Uranium ISR, having previously worked for Heathgate Resources (Four Mile West) and Alligator Energy (Samphire). Zach has been involved in ISR wellfield operations; hydrogeological field investigations; installation of observation and production wells; and site conceptualisation.
Process Engineer
Owen Adams
Owen is a Process Engineer with three years of professional experience in a multidisciplinary EPCM environment contributing to delivery of complex brownfield projects. Owen brings a practical understanding of technical engineering requirements, project delivery and operating environments. He has a high attention to detail and a strong appreciation of process safety.
Student Process Engineer
Callum Walker
Callum is a fourth-year Bachelor of Chemical Engineering (Honours) student at Adelaide University with a strong interest in hydrometallurgy, critical minerals processing, and process design. At Rendement he has contributed to the development and operation of hydrometallurgical testwork programs and supported process design activities across a range of projects.