Guy Desharnais

Guy Desharnais Ph.D., P.Geo, has worked in mineral exploration, resource estimation consulting and is currently working as the Vice President, Project Evaluation with OR Royalties. He was part of the team which won the Integra Gold Rush Challenge in 2016 (500k$) which applied a combination of geology, virtual reality, weight of evidence and machine learning techniques to identify the most prospective exploration targets. He was named CIM distinguished lecturer in 2017 where he shared his knowledge on Metallurgical Sample Selection, Application of Machine Learning to Exploration Targeting, and Resource Overestimation. He was also part of the team that won the Parker Challenge in 2025 by applying innovative resource estimation techniques to a Carlin Style deposit drill hole database. His current work at OR involves evaluation of various mineral deposit types to identify their operational risks and estimate their relative economic returns.