We have a clear understanding of all the multidisciplinary elements for all stages of the mine life cycle, from exploration to closure, including tailings, waste, geotechnical, environmental and social is critical to a successful operation, all while maximizing returns, and minimizing risk.


How can we help?

Whether it be for resource and reserve estimation, mine design and optimization,  reconciliation or audits, we advise on complex technical issues. We understand the mine life cycle and work closely with clients to ensure that an asset is developed sensibly. We use our global team of experts to help our clients protect, enhance and create value throughout the lifetime of investments and operations.

    Our services include:

    • Mineral exploration advice and support
    • Mineral Resource Estimation, including Geostatistics and Resource Modelling
    • Resource Optimisation (grade control, ore block optimisation, drill-hole/sampling optimisation)
    • Mineral Reserve Estimation, including Mine Design, Planning & Optimization
    • Geotechnical assessments; open pit and underground
    • Metallurgical Assessment and Process Review
    • Operational Improvements and Expansions
    • Tailings & Waste design and auditing
    • Mine Water Modelling & Management
    • Environmental & Social Impact Assessment, Permitting and Management
    • Mine Closure and Remediation

    Our team includes

    • Jeremy Collyard Mining & Minerals Sector Leader - US
      Jeremy Collyard

      Jeremy is the US Mining and Minerals Business Sector Lead, a certified Project Management Professional (PMP), and a MMSA Qualified Professional. He brings an extensive background in mining including project management and client development for mining sites throughout the United Sates. His background includes mine remedial investigations and feasibility studies (RI/FS), environmental permitting, monitoring, and compliance programmes, Environmental Impact Statements (EIS), environmental baseline studies, and the evaluation and development of water management planning, and mine closure strategy, planning, and implementation. His background includes 15 years of experience in mining, industrial, and multi-disciplinary environmental projects.

    • Richard Lambert Technical Director
      Richard Lambert

      Rick has over 38 years of international and domestic experience in mine operations and management, mine engineering, project evaluation, and financial analysis. He has been project manager and lead technical advisor for many mine financings, mergers, acquisitions, and privatizations. Rick has extensive experience in mine cost estimating and is skilled in management from project start-up to production, maintenance, and mine planning.

    • Grant Malensek Managing Principal Mining Engineer
      Grant Malensek

      Grant A. Malensek is a Managing Principal Mining Engineer with 25 years’ experience in the mining industry.  Prior to joining RPA, now with SLR, Mr. Malensek was a Mineral Project Evaluation Consultant for a large engineering firm where he project managed fatal flaw, due diligence and Independent Engineer reviews for equity and project financings.  He also prepared technical-economic models, project finance models, mineral property and mineral project valuations, and valuations for the International Centre for Settlement of Investment Disputes (ICSID).  Grant’s consulting experience includes Feasibility and Prefeasibility Studies, Preliminary Economic Assessments, capital cost estimates and reviews, mine strategy, and options analysis and project evaluations in connection with mergers and acquisitions.

    • Simon Mendum Financial Sector Leader - US
      Simon Mendum

      Simon works in partnership with Financial Sector organisations to deliver ESG Advisory and EHS Transactions Advisory. Simon’s focus is driving EHS and ESG strategies that focus on value-driven actions and opportunities. In ESG and climate change advisory, Simon has successfully developed strategies to enhance and quantify value at mission-critical assets, with positive balance sheet returns. In EHS transactional diligence, Simon has a pragmatic business-issues based approach, to answer the critical questions related to the transaction under consideration, driving at the value consistent with the investment thesis.