Management Team & Advisors

John Robins, P.Geo.
Executive Chairman

Mr. Robins is a professional geologist with over 30 years of experience as an independent exploration geologist and entrepreneur. Most recently John was the founder and Chairman of Kaminak Gold which was purchased for $520 million by Goldcorp Inc. in 2016.

A 1984 graduate of the University of British Columbia with a Bachelor of Science degree in geology, Mr. Robins initially worked as a self-employed prospector and geologist in British Columbia and Northern Canada. In 1988, he founded Hunter Exploration Group, one of Canada's most successful private exploration companies.

In 2008, Mr. Robins was recognized for his achievements in mining exploration by the Association for Mineral Exploration British Columbia with the H.H. "Spud" Huestis Award. This is recognized as the highest awards given for mineral exploration.

Mr. Robins has also been active in starting several successful public exploration and development companies culminating in 2005 with his co-founding of the Discovery Group of Companies. Mr. Robins also sits on the Board of several successful publicly traded exploration companies.

Darren Klinck
President, CEO & Director

Mr. Klinck is a graduate of the Haskayne School of Business at the University of Calgary and is a highly regarded mining executive with a broad range of international experience.

Darren was most recently Executive Vice President & Head of Corporate Development for OceanaGold Corporation responsible for overseeing the capital markets as well as the mergers and acquisitions strategy. Over the past ten years at OceanaGold, Mr. Klinck’s various responsibilities have also included oversight of project teams managing exploration, corporate social responsibility (CSR) and community engagement programs as well as extensive government relations activities.

Peter Hemstead, CPA, CMA
Chief Financial Officer

Mr. Hemstead is a Chartered Professional Accountant with an Honours Economics degree from the University of Western Ontario. Mr. Hemstead has over 20 years of finance experience, with the last 10 years spent in a senior financial executive role at Capstone Mining Corp., leading the finance team through the successful expansion from a development stage mining company to an intermediate producer. He has a proven track record of providing financial leadership and his extensive experience in financial management, corporate finance, project finance, treasury, commercial banking, marketing/sales, financial risk management, insurance and international tax planning.

David Cass, P.Geo., M.Sc.
Vice President Exploration

Mr. Cass is a geologist with over 25 years of international experience in mineral exploration and mining for precious and base metals, with most of this time focused in Latin America. David has spent 15 years of his career with major international mining company Anglo American plc, where he held positions of increasing responsibility in jurisdictions including South and Central America, Mexico, Canada, Turkey, Iran and Eastern Europe. Mr. Cass’ time at Anglo also include four years as Senior Geologist in Peru, and six years as Exploration Manager for North America, where he was responsible for Anglo's exploration programs throughout Canada, Central America, Mexico, mainland USA and Alaska. More recently, Mr. Cass has managed junior exploration companies with projects in Peru, Nicaragua, Guatemala, Mexico and Colombia.

Mr. Cass holds a Masters of Science degree in Mineral Exploration and Mining Geology from the University of Leicester, UK (1990) and a Bachelor of Science degree in Geology from London Metropolitan University. He is a practicing member (P.Geo) of the Association of Professional Engineers and Geoscientists of British Columbia and Fellow of the Society of Economic Geologists.

David Gunning, P.Eng.
Vice President Operations

Mr. Gunning is a graduate of Mining Engineering from the University of British Columbia (1983) and a practicing Professional Engineer since 1989. Mr. Gunning has over 35 years of operational experience in underground mining, processing and exploration in Canada, the United States, Mongolia and Mexico. For the last 8 years, Mr. Gunning acted as Chief Operating Officer and Director or Starcore International Mines during which time he was responsible for all aspects of the San Martin gold mine located in central Mexico. During his tenure at Starcore the company developed many successful strategies to aid the nearby community while improving the environmental footprint of the operation.

Jeff Reinson, M.Sc.
Vice President Project Development

Mr. Reinson is a civil engineer with over 25 years of experience leading major heavy civil infrastructure projects from early conceptual studies through to execution and handover. After spending 10 years honing his technical expertise as a consulting engineer, Jeff spent the last 15 years of his career in senior project and engineering management roles with Goldcorp Inc., AngloGold Ashanti Limited, Newmont Mining Corporation, and Rio Tinto Ltd. leading or supporting large, multi-disciplined project teams throughout Mexico, Colombia, Chile, Peru, and Canada. Most recently Jeff was Project Director for Goldcorp, where he was leading the safe construction of Penasquito’s +$750 million tailings storage facility expansion, a heap leach facility expansion feasibility study and a large groundwater remediation project.

Jeff holds master’s and bachelor’s degrees in civil engineering from the University of Saskatchewan where he received the Wong-Fredlund Unsaturated Soils Scholarship.

Stephen Williams, P.Eng., MBA
Vice President Corporate Development & Investor Relations

Mr. Williams was previously a Director at Canaccord Genuity Corp. in the metals and mining investment banking team. He provided strategic advice to clients on acquisitions, mergers, and equity financings. Stephen is a professional engineer by background and worked for Freeport-McMoRan in an operational and process development capacity. He holds a B.A.Sc. in Metallurgical Engineering from the University of British Columbia and an MBA from the W. P. Carey School of Business, Arizona State University.

Technical Advisory Committee

The Technical Advisory Committee (“TAC”) will look to provide impartial advice and peer review over the Cerro Blanco Feasibility Study. The Committee will help identify risks and opportunities working closely with Bluestone management and consultants on material technical aspects of the project.

Alf Hills (Chair)

Mr. Hills is registered as a Professional Engineer in the Province of British Columbia and holds a degree in Mining and Mineral Process Engineering with over 40 years of international mine evaluation, development, start-up operations, general management and board experience. Mr. Hills spent 26 years of his career with Placer Dome Inc, where he held a number of positions including Vice President Evaluations, Mine General Manager at Placer’s Australian Kidston Gold Mine and in Papua New Guinea in various construction, start-up and operating positions. Mr. Hills also participated in developing the CIM Best Practice guidelines for Mineral Resource and Mineral Reserve Estimation and was a corporate member of the SME Resources and Reserve Committee.

Scott Donald

Mr. Donald is a Principal and Senior Hydrogeologist with Golder Associates and a specialist in numerical, analytical and statistical analysis of hydrogeological processes.  He has over 25 years of experience applying numerical and analytical techniques to the solution of groundwater flow over a wide range of projects including extraction and re-injection studies.  Over the past 20 years these skills have been primarily applied to the mining industry where he has directed or played a leading role in assessing potential hydrologic and hydrogeologic impacts and issues related to the development of new mines or in the mine closure process.

Mr. Donald has represented the hydrogeological and/or groundwater modeling component of the work at public hearings and/or through expert review panels as part of the formal review process.

Allan Moss

Mr. Moss has over 40 years of experience in mining and geo-technical engineering. After spending 20 years working as a Principal at SRK and Golder Associates he worked for Rio Tinto including as Principal Consultant Manager, General Manager Copper Technology, and General Manager Underground Technology.  Over the last 20 years Allan has been heavily involved in large underground mines, from design through implementation to operations as well as a number of smaller underground operations. Mr. Moss is currently President of Sonal Mining Technology providing advisory services to underground bulk mining operations and has served on a number of technical review boards for many of industry’s senior firms.  He also assists in strategic and technical risk reviews of both brownfield and greenfield projects.

Roger Nendick

Mr. Nendick has more than 40 years of operating and engineering experience in the mining industry.  His most recent assignment was Project Director for the Udokan Copper Project in Siberia, Russia.  Prior to that he was Project Director for the Ambatovy Project in Madagascar for Sherritt International.  Mr. Nendick currently acts as a consultant to Lundin Mining, Filo Mining and NGEx.  He has experience as a Project director for major Feasibility Studies and in Front End Project Development.  As Vice-President, Technology and Operations for Fluor Mining and Minerals, he was involved as sponsor or technology specialist in a number of recent engineering and construction projects including the Glamis Marlin mine in Guatemala.  During the course of his career he has led due diligence and consulting assignments for the project financing of mining operations.

Robert Sim

Mr. Sim is a senior resource consultant with more than 30 years of experience in mineral exploration, mine operations management, project evaluations, resource audits, geostatistical studies, feasibility studies, QA/QC programs, conditional simulation studies, and mineral resource evaluations and modelling. Considerable experience across surface and underground deposits, including base metal, gold, silver, uranium, oil sands, cobalt, coal and phosphate deposits in Canada, the United States, Central and South America, Europe, Asia, Africa and Australia.

Mr. Sim worked for Inmet Mining Corporation as Chief Geologist at the Winston Lake Mine, Ontario, Canada; Pend Oreille Mine, Washington State, USA; Çayeli Bak?r ??letmeleri (ÇB?), Turkey; and as Senior Geologist, Resource Evaluations.

Robert founded SIM Geological in 2004, which conducts independent mineral resource evaluations, modelling, and governance, and provides reporting that is compliant with National Instrument 43-101 standards.

Ward Wilson

Dr. Ward Wilson is a Professor of Geotechnical and Geoenvironmental Engineering at the University of Alberta and brings more than 30 years of industrial experience to his practice in advance mine waste management.  He has extensive experience as a consulting engineer and has maintained an exceptionally strong industrial focus through his research programs.  Dr. Wilson is involved in mine waste management systems at numerous mine sites worldwide.  He has also served as a specialist review consultant for many larger international mining projects.

Dr. Wilson’s academic interest lies in technologies that improve the physical and chemical stability of tailing and waste rock systems.  These methods focus on the de-watering of tailing to produce thickened, paste and filtered tailing to eliminate the need for conventional tailing ponds and allow the construction of dry stacks.  He is involved in several innovative research programs for the blending of tailing and waste rock to produce a high strength sealing material termed ‘Paste Rock’.

Professor Wilson is currently the NSERC/COSIA Industrial Research Chair in Oil Sands Tailing Geotechnique at the University of Alberta.


Jay Dick
Geothermal Advisor

  • Over 30 years in international geothermal experience
  • Extensive background in developing and managing commercial geothermal development projects
  • Including oversight and supervision of exploration programs, high-temperature drilling, reservoir engineering modeling, and working closely with geothermal power plant engineering and construction

Allison Rippin-Armstrong
Corporate Social Responsibility Advisor

  • Environmental Scientist with over 20 years of experience
  • Former Vice President, Sustainability of Kaminak Gold where she led the company’s permitting and CSR programs; similar roles at BHP Billiton and Argonaut Gold