The Leaders in Mine Cost Estimation
Our dedicated team of geologists and engineers bring decades of international mining industry experience, spanning the full mining cycle: from project generation and exploration, through mining, mineral processing, and reclamation. Our consultants are backed by an extensive and unparalleled in-house cost database with 35+ years of history. This unique combination allows us to conduct prefeasibility-level cost estimates and project evaluations with unprecedented reliability and efficiency.
Whether your project is open pit, underground, in-situ leach, heap leach, flotation or placer our experts have you covered across a wide range of commodities and deposit types. We offer specialized project evaluation and cost estimating services to help you make better mine project investment decisions. We undertake technical due diligence studies; do third-party reviews of existing reports; develop detailed, engineering-based, site-specific cost models; conduct scoping studies; serve as expert witnesses; and much more.
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Our Team
Jennifer Leinart
Jennifer Leinart
Director, Cost Estimating
Jennifer has over 40 years of experience in the mining industry, from exploration through development and mine operations. She is a specialist in cost and resource estimating and economic analysis, starting out in the team that developed the Red Dog mine in Alaska after it was discovered in the 1980s. She has worked on projects ranging from metals to coal and diamonds to garnets in North American and international locations. Jennifer is a registered member of SME and a licensed professional geologist based in Spokane, Washington, USA. She holds a BSc degree in Geology from Colorado State University.
Brad Terhune
Brad Terhune
Cost Analyst/Senior Geologist
Brad has over 20 years of experience in the mining industry, including exploration consulting and mine operations in North America and East Africa. He has been integral in the derivation of costs associated with prefeasibility stage and earlier mine and mineral property evaluations at Infomine. He is a Registered Member of SME and a licensed professional geologist based in Spokane, Washington, USA. He holds a BS degree in Geology and Geophysics from the University of Missouri – Rolla and a MS degree in Geology and Geological Engineering from the South Dakota School of Mines and Technology.
Michael Grimm
Michael Grimm
Cost Analyst/Mechanical Engineer
Mike has over 15 years of experience in manufacturing, including new product design for commercial and industrial kitchens, ballpark concessions, furniture and high strength composites and has experience as a project manager/designer and trainer in an HVAC company. For nearly seven years, he and his wife Karrie owned and operated a small corrugated converting business serving over 300 customers in 19 states. He spent an additional 10 years in business development promoting bubbling fluidized bed waste to energy boiler systems working with clients in North and South America, Australia and parts of the Middle East. He holds a BS degree in Mechanical Engineering from the University of Colorado.
Krista Noyes
Krista Noyes
Cost Analyst/Reclamation Specialist
Krista surveys and publishes the Mine Salaries, Wages and Benefits Reports, other compensation surveys, and the Reclamation Cost Service, published by InfoMine. Prior to joining the CostMine team at InfoMine, she was an Environmental Coordinator with Newmont’s Western Nevada division, based at the Twin Creeks mine and at Hecla Mining Company’s successfully reclaimed and closed Rosebud Mine in Northern Nevada. She holds a BS degree in Geology from the University of Idaho.
David Boleneus
David Boleneus
Cost Analyst/Senior Geologist
David has over 45 years of professional experience with major mining companies, oil companies and consulting organizations across the globe. He has spent more than 20 years in geological research with U.S. Geological Survey’s Geologic Division and with U.S. Bureau of Mines’ Branch of engineering and economic analysis. His numerous investigations resulted in over 20 peer-reviewed professional publications. He is a Registered Member of SME and Licensed Geologist-Hydrogeologist and is certified as a mineral examiner with U.S. Department of Interior.
Ali Vossoughian
Ali Vossoughian
Cost Analyst/Mining Engineer
Ali began his career as a mining engineer in his home country of Iran, helping optimise HSH Stone Quarry before completing his master's degree in mining engineering at the Colorado School of Mines. There, he specialized in optimizing Tunnel Boring Machines (TBM) and drill bit performance, supplemented by a minor in Mineral and Energy Economics. Post-graduation, Ali worked at Nevada Gold Mines and Giga Factory Tesla. As a valuable member of the Costmine Intelligence engineering team since 2022, Ali is part of the Sherpa cost estimation software team. There, he helps optimize and improve the algorithms and cost data flows for the product.
Mahdieh Dianati
Mahdieh Dianati
Cost Analyst
Mahdieh holds a master’s degree in Mineral Processing Engineering from Yazd University, Iran, supplemented by a master’s degree in Industrial Engineering. Before joining Costmine, she spent five years with System Group, Iran's leading software company as a Business Intelligence Specialist. Since joining our team in 2023, Mahdieh has been an essential member of the Costmine Intelligence engineering team, optimizing algorithms, and improving cost data flows for our Sherpa cost estimation software. Her unique background enables us to provide innovative cost estimation solutions to our clients, specifically in the field of mineral processing.
Our Tools
Our team utilizes a set of very sophisticated cost estimation tools that bring together our unparalleled mining industry database, with reliable and accurate engineering-based calculations.
Developed over 35 years, these tools allow our consultants to work quickly and efficiently to create cost and economic studies to help you make the most informed, data-driven decisions possible.
