Technical Team & Consultants


Greg Hart, Mine Manager

Mr. Hart has 38 years of direct experience leading mining and construction activities. He has held several senior operational positions at Goldcorp’s Porcupine Gold Mine in Timmins, including Underground Manager and Manager of Operations. Previously Mr. Hart was VP, Operations with Dumas Contracting.


Garth Wilcox, PEng, Development Manager

Mr. Wilcox is a professional engineer with over seventeen years of international mining experience. Most recently, from September 2006 until the company was bought by Argonaut Gold Inc., he worked for Castle Gold Ltd., where he was a key member of the development team that designed, constructed and operated gold heap leach facilities in Guatemala (El Sastre) and Mexico (El Castillo). Mr. Wilcox has extensive project development experience (gold, nickel, molybdenum, copper, zinc) as a process engineer with AMEC and Aker Kvaerner/Davy, as well as experience with JNE Consulting as a supervisor for steel processing facilities to ensure compliance with Ministry of Labour standards. His roles included engineering study development and costing, commissioning and plant operations.


Yungang Wu, Senior Geologist

Professional geologist with 25 years of experience in both Canadian and international mineral exploration, resource estimating and mining.  He is a member of the Association of Professional Geoscientists of Ontario.


Rochelle Collins, PGeo, Chief Geologist

Ms. Collins is a professional geologist with over 20 years progressive experience in surface and underground mining operations. Formerly Chief Mine and Resource Geologist at Tahoe Resources, she has also held senior positions with Aurico Gold and Teck Resources.


John Frostiak, Consultant – Metallurgy

Professional engineer, member of the Canadian Institute of Mining Metallurgy and Petroleum and of the Society for Mining Engineers. Currently Chairman of Colossus Minerals Inc. Previously spent 17 years in project management at Barrick Gold Corp.


Mike Mascioli, Consultant – Mining

Mining engineer, born and raised in Timmins. More than 30 years experience mining in northern Ontario including senior positions in safety, operations and projects with Inco/Vale.


Jeremy Niemi, Consultant – Geology

Jeremy has been part of the Gowest team initially as a board member and currently as a technical advisor for over 8 years. He is a geologist with over 20 years’ experience in the mining/resource industry, both at corporate and operational levels. Mr. Niemi is currently the Vice President, Exploration for GoldQuest Corporation. Prior to joining GoldQuest which he served as Vice President, Geology with Noront Resources and before joining Noront he was Manager, Technical Services, for Kinross Gold Corporation. He started his career with Inco Technical Services Ltd. in 1996, working on the Victor Deep project in the Sudbury basin. Mr. Niemi is a member of the Association of Professional Geoscientists of Ontario and holds a BSc Honours degree in Earth Sciences from Laurentian University.