​​One of the industry’s foremost mining experts, Mr. Weir’s experience includes open-pit copper and gold mining operations in Northern Chile and Nevada, USA. Mr. Weir’s areas of technical expertise include mine planning, mine development, project evaluation and financial modeling, capital budget planning and operations cost forecasts, evaluation of royalties, open pit mine engineering, and mineral reserves estimation.

​Over the last two decades, Mr. Weir’s has gained robust expertise in due diligence reviews, Mineral Reserve audits, expert witness work, independent technical engineer (ITE) assignments on behalf of lenders, and economic studies (scoping, PEA, and PFS level) for a variety of commodities across the globe. He is an experienced and highly respected mining expert and has been involved in more than 20 international mining arbitration matters. Mr. Weir is also a Professional Engineer in the province of Ontario.

​Prior to joining Secretariat, Mr. Weir served as a Technical Manager and Mining Engineering Expert Witness at a global engineering and consulting firm. Previously, he worked as a Mining Engineer at two large-scale mining operations, where he held roles in long-term planning, business analysis, and start-up operations. In one role, he supervised a mine operations team of 45 employees and was responsible for mine development, production, safety, and dispatch, as well as coordination with the short-term planning and maintenance departments. Mr. Weir has experience in several mining software platforms, including Surpac, Deswik, and Whittle software, and has extensive capabilities in cashflow modelling.

​Mr. Weir also served as a Co-Teacher at the Lassonde Institute for Mineral Engineering at the University of Toronto, assisting with the 4th Year Mine Design Course. Mr. Weir has also been an active contributor to the Prospectors and Developers Association of Canada (PDAC) providing short courses in Mineral Resources and Mineral Reserve Best Practices. He is fluent in English and Spanish.