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Xstract Mining Consultants is an established mining, geotechnical and resources consultancy and industry services group based in Australia delivering projects globally.

Established in 2009, we provide independent, strategic advice, and technical and personalised professional services to exploration and mining companies, operating mines, engineering firms, financial institutions and investors.

Xstract's services commence with early stage resource and asset evaluation, and due diligence reports, and extend to more target-specific areas such as risk assessment, data management, mining and civil geotechnical engineering, mining engineering, planning and scheduling, mineral processing, as well as capabilities in environmental impact and geostatistical assessments.

Our team of specialist personnel and associates, including mining engineers, geotechnical engineers, geologists and mining analysts, provide vast experience in financial modelling, strategic advice, technical studies and on-site services, as well as public reporting and due diligence.

Xstract provides corporate advice and optimal solutions through knowledge of multiple commodities, advanced valuation techniques and the intricacies of the mining industry and its key drivers, with capabilities and access to risk assessment, resource modelling and mine engineering software.

Our personnel are located primarily in the Xstract Brisbane and Perth offices, our extensive associate network assists Xstract in Global delivery of projects.

Xstract is independently managed and operated as a subsidiary of Calibre Services, a leading engineering and infrastructure services business that designs and delivers mine, rail and infrastructure projects for resources and infrastructure clients across Australia and select overseas markets.

Please read on to meet the Xstract consulting team:

Executive Team

Will Sarunic

Will Sarunic

MScEng (Geotech Eng), BAppSc (App Geol), MAusIMM (CP (Min)), MAGS
General Manager and Principal Consultant - Geotechnical

"The application of technical and practical solutions is what makes us stand out from the consulting crowd."

Will is a geotechnical engineer with over 20 years’ experience, specialising in open pit geotechnical engineering gained in a number of large-scale open cuts in both hard and soft rock environments. He has been involved in many feasibility and bankable feasibility studies, working in a team environment to ensure the successful evaluation and advancement of the project. Will has carried out in-house and external consulting along with peer and due diligence reviews, and has worked on a range of commodities including coal, industrial minerals, phosphate, mineral sands, iron ore, platinum group elements, gold and nickel.

As a geotechnical consultant, Will focuses on providing consulting services to a variety of projects involving rock slope design and stability assessments for projects in Australia and internationally.

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Stefan Mujdrica

Stefan Mujdrica

MSc (Exploration Geol), BAppSc (App Geol), MAusIMM (CP)
General Manager and Principal Consultant - Geology

"Innovative approaches to problem solving and personalised service are central to the way we do business."

Stefan has over 30 years' of mining industry experience, having held managerial positions in exploration and mining geology organisations. His geological expertise includes strategic exploration, technical reviews, due diligence, sampling and reconciliation, short-term grade control strategies, geostatistical solutions, resource estimation and project management.

Stefan also has invaluable experience in commodities such as bauxite, gold, copper, nickel, cobalt, zinc, lead, silver, platinum group elements, potash, kaolin, coal and iron ore.

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Kevin Irving

Kevin Irving

MBA, BSc (Hons) (Mining), FAusIMM, CEng
General Manager and Principal Consultant - Mining

"The team shares an enthusiasm to maintain the highest levels of client engagement."

Kevin has over 31 years' of mining engineering experience in mine management, corporate roles and consulting. He has a successful track record of managing a group of coal mines and his leadership skills have contributed to improved safety performances, cost reductions and increased profitability.

Kevin's experience includes an in-depth knowledge of financial management and leading people, and his skills lie in establishing teams of diverse personnel to become focussed on meeting targets through involvement.

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