A multidisciplinary approach for all stages of the mine life cycle.

We offer services to the mining industry at all stages, from exploration to closure and rehabilitation. 

We advise banks (both debt and equity), institutional investors, governments, major mining companies, exploration and development firms, law firms, individual investors, and private equity ventures.

How can we help?

RPA, now part of SLR, includes geological, mining and metallurgical consultants who have provided expertise and advice to clients around the world for more than 35 years. The team brings world-class mining advisory services to SLR’s existing Mining & Minerals practice, not only in North America and Europe but across the globe.

SLR and RPA have collaborated on client projects for several years and together we will now be able to offer our clients a complete service, extending from value creation and generation, through resource and reserve work, to environmental, social risk and liability management.

Our services include:

  • Mineral Resource & Mineral Reserve estimates and audits
  • Scoping, Pre-feasibility, & Feasibility Studies
  • Mining Engineering
  • Metallurgical Assessment & Process Review
  • Independent Engineer Services for financial institutions and private equity
  • Securities Regulation & Technical Reporting Services
  • Due Diligence Reviews
  • Expert Witness Services
  • Mineral Property Valuation Services
  • QA/QC

Our team

  • 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.

  • 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.

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