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    GSV geologists conducting peer field review

Technical Team

Don Harris

General Manager

Don Harris has 29 years’ experience as a mine development geologist and manager, including 17 years with Newmont, where Mr. Harris was a significant contributor to the resource and reserve growth at Gold Quarry and Emigrant Mines. Outside of Newmont, Mr. Harris has contributed to the mine and resource development at the Hycroft mine (Hycroft) and the Pan mine (Midway). Over his career, Don has held a multitude of positions, including Manager of Nevada Surface Geology for Newmont, Vice President of Advanced Projects at Midway Gold, and Director of Exploration at Hycroft Mining. These positions have led to the successful development and/or production of over 30 million ounces gold and 300 million ounces silver. . Since joining GSV in 2017, he has been responsible for guiding the Dark Star and Pinion Deposits towards future mine development. Don has a Bachler of Science Degree in geology from the University of Wyoming and a Master of Science Degree in geology from Northern Arizona University. Don is a Registered Geologist with SME (146776) and a qualified person as defined by NI-43-101.

Craig Mach

Senior Geologist

Craig Mach is a mineral exploration geologist with over 30 years of experience in the western US.  Since 1992 Craig has been involved in precious metals exploration in Nevada on projects ranging from generative grassroots exploration to reserve development in near-mine settings, concentrating on Carlin-type, intrusion-related and low-sulfidation epithermal deposits. Experience includes reconnaissance mapping and sampling, detailed geologic mapping, design and supervision of geochemical surveys and drilling programs, geologic modeling, resource estimation, property evaluations and project management. Craig has been a member of several successful exploration teams that have made significant gold discoveries in Nevada. Craig has a Master of Science degree in geology form Colorado State University and a PhD in economic geology form the University of Nevada, Reno and is an AIPG Certified Professional Geologist (#12013).

Mark Laffoon, P.E.

Project Manager & QP

Mark Laffoon has 39 years of experience as a mining engineer, mine foreman, mine manager, development manager, project manager, and construction manager. These engineering and management level positions were held with Duval, Gold Fields, Santa Fe Pacific Gold, Newmont, and Barrick Gold in the western United States. At Santa Fe Pacific Gold, Mr. Laffoon managed and contributed to the construction and operation of the Mule Canyon Mine near Battle Mountain, Nevada which led to the first whole ore highway shipments to processing facilities at Lone Tree and Twin Creeks. At Newmont, Mr. Laffoon was responsible for the mine development and the surface mine operations engineering department along the Carlin trend which contributed to the opening of the Gold Quarry mine below the James Creek tailings facility, the Pete deposit, the Tara/Bootstrap deposits, Tusc deposit, Carlin deposit, the Beast/Genesis deposits, the Lantern deposit, and the Emigrant deposit. During Mr. Laffoon’s tenure with Barrick Gold, he contributed to the opening of the Cortez Hills Open Pit facilities/operations, managed the Arturo Joint Venture with Goldcorp, and was the Construction Manager of the Goldrush underground portal surface facility. Mr. Laffoon earned a Bachelor of Science degree in mine engineering from Montana Tech of the University of Montana, he is a certified Professional Engineer in Nevada (#08708), is a Registered Mine Engineer and QP with the SME (#1818400), and is a Qualified Person as defined by NI 43-101.

Jerry Ankomah

Senior Geologist

Jerry Ankomah has 24 years of geological experience primarily in gold within greenstone, Carlin-type, intrusion-related and low-sulfidation epithermal systems. This experience includes both surface and underground settings. Jerry has worked for AngloGold Ashanti, Barrick Gold, and Kinross Gold. He contributed significantly to the addition of gold ounces at Goldstrike and Bald Mountain mines in Nevada, and Obuasi mine in Ghana.

Jerry is skilled in the execution of all stages of exploration, from target generation through drill testing, advance exploration, and resource definition. Additionally, he has expertise in geological mapping, all facets of ore control, logging and sampling of core and RC cuttings, 3D geologic modeling, geotechnical and hydrogeological investigations, resource estimation, and project management. Jerry holds a geological engineering degree from KNUST, Ghana.

Glenn King

Environmental Manager

Glenn has over 30 years of experience in mining as an environmental professional including 16 years with Newmont. This included extensive permitting and compliance management as a Permitting Manager for Northern Nevada, Sr. Environmental Manager for the Phoenix and Lone Tree mines, and a Corporate Environmental Director assisting project development in North and South America. He was instrumental in permitting numerous projects and expansions at Newmont properties including Twin Creeks, Lone Tree, Phoenix Copper Leach, T.S. Power, Pete, Leeville, and Emigrant. Glenn also served as Environmental Manager during the final permitting and construction of the Buckhorn Mine for Kinross and as an Environmental Engineer for Phelps Dodge and Genesis Alkali. Glenn has a Bachelor of Science Degree in Geology from the University of Cincinnati.

Jesse Heavin

Drilling Services Manager

Jesse Heavin has 20+ years’ experience in Nevada as a drilling services professional with a background in all aspects of mine building to include exploration (early stage), technical mining (development-hydro, environmental), and drilling for both surface and underground projects. He is responsible for the safety and execution for all drilling and field related activities for Gold Standard Ventures. He has worked on very successful teams at Barrick Exploration (Gold Rush, Bald Mtn., Ruby Hill), Barrick North America (Cortez Hills, Pipeline), Placer Dome (Cortez, Bald Mountain), Echo Bay (Round Mountain Gold Corp.), in which he has developed a wide range of skills and abilities. In his early years he worked in Environmental and Process Operations before transitioning to Drilling Services. He is credited with implementing best practices contributing to several million-man hours worked achieving triple zero operations and significant drilling related savings. Mr. Heavin has a B. Sc. Degree in Business Management and Operations from Western Governors University and is working on his M.B.A. in Business Management and Operations. 

James Wright

Senior Geophysical Consultant

Mr. Wright has a B.S. degree (Honors) in Geophysics from the University of Arizona (1973) and a M.Sc. in geophysics from Stanford (1975). He has over 40 years of varied experience applying geophysical techniques to exploration for a wide variety of commodities including gold, uranium, base metals, coal, lithium and potash. His career started with Phelps Dodge Corporation and continued with St. Joe Minerals, Sulpreto Minerals, Novamin Resources, Breakwater Resources and Newmont Mining Corp. Interspersed with the corporate assignments were sixteen years as a consultant, a position he holds today.

Gary Simmons

Senior Metallurgical Consultant

Mr. Simmons has more than 35 years of experience with mining companies – including Newmont Mining Corporation, where he was Senior Technical Director of Metallurgy and Technology.

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