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MineFill’s team brings together decades of specialist backfill engineering, testing and project delivery experience across global mining operations.
Managing Director
Richard Pearce
Richard Pearce is a Managing Director of MineFill Services. He holds a B.A. Mechanical Engineering and is an experienced project manager. Richard has led the design... and implementation of backfill systems for 15 years with exceptional results. He has innovatively developed next-generation plant designs that lead the global backfill market. His unique ability to design and manage projects is recognised and embraced by customers as they realise the benefits of these attributes. He is experienced in estimating, negotiating, designing, delivering and commissioning backfill systems. He is also a business partner in Backfill Pipeline Solutions, a partner company to MineFill Services, for the supply of complete underground reticulation system equipment. Richard is based in Sydney, Australia.
Sydney, Australia
Managing Director
Mat Revell
Mat Revell is a Principal Backfill Engineer of MineFill Services. He graduated
in 1997 as a Minerals Processing Engineer and originally worked in a range of Australian base metals...
and gold operations as a Metallurgist. Mat subsequently moved into operational engineering roles in the first paste fill systems in Australia and thereafter developed his own backfill and tailings consulting, system design and construction business. Mat was a pioneer in the early years of global paste fill development and over a 20-year career led teams that built over 30 backfill systems globally.
Mat is an internationally recognised expert in mine backfilling and tailings management, and has completed hundreds of backfill and tailings studies globally. His expertise spans the full spectrum of surface and underground tailings management solutions. Having an operational background Mat provides a pragmatic engineering approach, and is passionate about continuous innovation to add social, environmental and financial value to global mining operations. He is also a business partner in Backfill Pipeline Solutions who’s expertise is in supplying modern innovative products for underground backfill reticulation. Mat is based in Queensland, Australia
Queensland, Australia
Principal Backfill Engineer
Dr Matt Helinski
Matt Helinski is a Principal Backfill Engineer of MineFill Services. He
studied as a geotechnical engineer and now has over 20 years operational
experience and a PhD in the field...
of mine backfill geomechanics. Matt started his career as the backfill engineer at Glencore CSA mine and has become an internationally recognized expert in mine backfilling and tailings management, and has completed hundreds of backfill and tailings studies globally.
Matt has published seven “Category A” journal papers and presented many industry conference papers, including a keynote paper at the “Minefill 2011” conference (widely recognised as the world’s leading conference in the field of mine backfill). Matt’s particular expertise is in his rigorous understanding of the mine backfill geo-mechanical requirements and applying this understanding to develop mine backfill systems that most effectively achieve the mining requirements. Matt also has a particular interest in combining his extensive site experience with advanced simulation methods to optimise the way backfill is used in the mining cycle.
Sydney, Australia
Senior Backfill Engineer / BTS
Stephen McGrath
Stephen McGrath is a Senior Backfill Engineer with over 15 years experience in mine backfill testing and providing technical expertise to backfill operations around the world.... Stephen specialises in developing the optimal backfill solution that is both technically feasible and operationally robust. With a thorough understanding on the behaviour of mine tailings, and the effect natural variations in tailings will have on the overall backfill process, Stephen is equipped to apply the technical know-how of mine backfill to studies and implementation projects. He is also business owner of Backfill Testing Services, a partner company to Minefill Services, for the supply of backfill laboratory testing services. Stephen is based in Newcastle, Australia.
Newcastle, Australia
Director of the Americas
Jordan Yamine
Jordan Yamine is Director of the Americas of MineFill Services. He holds
degrees in both mining and civil engineering graduating from Université
Laval, Quebec, Canada....
Jordan has specialised in underground mining, mine backfill and cementitious materials for over 10 years. His diverse experience encompasses all aspects of backfill operations, providing him with a unique perspective on optimising mining companies’ systems for safety and efficiency.
In addition to his practical expertise, Jordan has honed skills in techno-economic analysis, cost modelling, and sustainable development, through both work experience and academic certifications. Jordan is based in Vancouver, Canada.
Vancouver, Canada
EIA Specialist
Ashley Waller
Ashley Waller is an Electrical, Instrumentation and Automation (EIA) specialist with over 27 years in mining, with 12 of these devoted to the backfill industry.... Ashley specialises in EIA designs suited to the backfill industry, while maintaining compliance with international and local standards to ensure the best outcome for the project and ultimately the client’s needs. With his experience in operational processing plants from both a customer and supplier perspective he ensures that the plant is designed and built to perform optimally, as well as being robust and maintenance friendly. Ashley is a highly experienced and versatile resource with a broad range of EIA experience not only in design but also in project management, tender preparation, equipment risk and HAZOP assessments, drafting, construction and commissioning. Ashley is based in Western Australia.
Western Australia
Senior Backfill Engineer
Nathan Dalton
Nathan Dalton is a Senior Backfill Engineer with over 10 years’ experience in the mining industry. Holding a Bachelor of Engineering (Mining) and a Bachelor of Science (Geology)... Nathan started his career as a Geotechnical Engineer working in both open pit and underground mines before specialising in Mine Backfill. Nathan has worked across Australia on multiple different backfill systems supporting different mining methods and commodity types and has experience with studies, design, construction, commissioning and operation of backfill systems. His significant operational experience and understanding of site-based systems and processes allows Nathan to be an effective communicator with both operational and management teams when implementing backfill solutions or troubleshooting backfill issues. Nathan has led both technical and operational backfill teams and is passionate about high-quality backfill implementation and optimisation to ensure systems are safe, economic, productive and disciplined. Nathan is based in Western Australia.
Western Australia
Project Coordinator / Expediter
Sharan MacDonell
Sharan MacDonell is a skilled and versatile Project Coordinator/Expediter in the mining engineering and construction business. She is a project management and administration... professional with over 20 years of experience in project and office administration, business development, corporate communications, facilities management where she lead both small and large teams. Sharan joined MineFill in 2017 driving successful project and study delivery for our customers. Sharan is based in Toronto, Canada.
Toronto, Canada
A global specialist team spanning engineering, testing and project delivery — trusted on backfill projects worldwide.
Work with MineFill’s specialist backfill engineers on your next study, system or upgrade.