About us

Fireweed Metals is a Canadian mining exploration and development company focused on advancing the Macmillan Pass and Mactung Projects. Located in the Yukon Territory, Canada, the property is accessible via gravel road and by air via the Macmillan Pass Airstrip located on the property

Fireweed Metals will sustainably explore and develop critical minerals assets to support the transition to a low-carbon economy. We will do this in a way that reflects our core value of respect, for both the environment in which we work and the people we work with. We will focus on leading with integrity, striving for consistency in words and actions, being honest, transparent, and accountable, mitigating health and safety risks, and being progressive and innovative while promoting environmental and social stewardship. Our collaborative and responsive nature will result in meaningful and trusting relationships with employees and local communities and successful partnerships with and benefits for First Nations and shareholders.


John Robins

Chairman & Director

Mr. Robins is a professional geologist with over 35 years of experience mainly as an independent geologist and entrepreneur. Mr. Robins has been involved in many successful exploration ventures and sat on the Boards of several successful exploration companies. Most recently he was Founder, Executive Chairman & Director of Kaminak Gold Corporation which discovered the Coffee Gold Deposits in Yukon and sold the company to Goldcorp for $520 million.

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 award given for mineral exploration and is awarded to those who have made “a significant contribution to enhance the mineral resources of British Columbia and/or the Yukon Territory, through the original application of prospecting techniques or other geoscience technology.” In 2017 Mr. Robins’ companies (Bluestone Resources, Northern Empire Resources, Fireweed Zinc) have raised over $100 million.

Brandon Macdonald

CEO & Director

Mr. Macdonald is a professional geologist with a diverse experience base including exploration geology worldwide and investment banking. In recent years he has focused his efforts in exploration and development as a principal of and consultant to various junior mining companies. In the past he was in the City of London where he worked in structuring financings and risk management at Macquarie Bank. In 2007 Mr. Macdonald graduated with an MBA (with Distinction) from Oxford. 

He completed his B.Sc. in Geology from UBC in 2000. Mr. Macdonald has a long history of mining exploration work in Yukon, including zinc projects, and originally hails from Ross River, near the Macmillan Pass Project site. He is a Professional Geologist registered with Engineers and Geoscientists British Columbia (EGBC).

Adrian Rothwell, CPA, CA

Director & Audit Committee Chair

Mr. Rothwell (Chair) has worked in the mining industry for over 25 years with extensive experience in oversight and corporate governance roles. Mr. Rothwell is currently President, Chief Executive Officer and Director of Angold Resources Ltd. Previously he was the Director, Strategy at Goldcorp Inc., and acted as Chief Financial Officer for many companies listed on the TSXV. 

Mr. Rothwell is a Chartered Professional Accountant (CPA, CA) in British Columbia and a designated Chartered Accountant in Australia & New Zealand.  He articled at PricewaterhouseCoopers LLP in Australia and Canada and holds a BA in Economics from Macquarie University.

George Gorzynski

Executive Vice President & Director

Mr. Gorzynski is co-founder of the Company and a geological engineer with 35 years’ experience in exploration and mining company management. He has strong technical, management and leadership skills, and was a key person in the building and managing of several successful international junior mining and exploration companies. 

His technical experience ranges from management of large exploration projects in challenging settings to geology field work in isolated locations to oversight of mining operations. Mr. Gorzynski has geological engineering degrees from the University of Toronto (Honours) and University of British Columbia and has worked on a number of zinc projects in British Columbia and Yukon. He is a Professional Engineer registered with Engineers and Geoscientists British Columbia (EGBC).

Peter Hemstead, CPA, CMA


Mr. Hemstead has over 25 years of finance experience and has a proven track record of providing strong financial leadership. He has extensive experience in financial management, corporate finance, project finance, treasury, commercial banking, marketing/sales, financial risk management, insurance, and tax planning. Mr. Hemstead is a Chartered Professional Accountant with an Honours Economics degree from the University of Western Ontario. 

He is the Chief Financial Officer of Bluestone Resources Inc., since 2017, where he is a key executive in financing and moving the Cerro Blanco gold project toward production. He previously held a senior financial executive role for 10 years with Capstone Mining Corp., leading the financial team through the successful expansion from a development stage mining company to an intermediate copper producer.

Gilles Dessureau

V.P. Exploration

Mr. Dessureau is a Professional Geologist with over 20 years of exploration and development experience in Canada, focusing on the Western Cordillera including Yukon and British Columbia along with other locations throughout North America including Nevada, Ontario and Quebec.

He is the Owner/Principal Geologist of Solidus Geological Services and has been providing geological and project management services to the industry since 2007. Since joining the Fireweed Team in 2018, he has been focused on advancing the Macmillan Pass project through exploration towards development. Previously, Mr. Dessureau was instrumental in advancing the Wolverine polymetallic VMS deposit, located in the Yukon, through pre-feasibility and into commercial production beginning in 2010, and was involved with advancing Golden Predator’s Brewery Creek and 3 Aces deposits. Mr. Dessureau graduated with a Master’s degree from Laurentian University in Sudbury following a Bachelor’s degree in Geology from St. Mary’s University in Halifax. He is a Professional Geologist registered with Engineers and Geoscientists British Columbia (EGBC) and the Association of Professional Geologists of Ontario (APGO).

James Scott

Senior Vice President Projects

Mr. Scott is a Professional Geologist with over eighteen years’ experience in mineral exploration and development, having worked with leading mining companies, junior exploration companies, and provincial and federal government surveys. Mr. Scott brings diverse experience in geology, studies, engineering, innovation, project management, and leadership in the advancement of projects from exploration through to acquisition and early development. 

For eight years Mr. Scott was the technical lead on Kaminak’s Coffee Project leading up to and following acquisition by Goldcorp Inc. for $520M.  Previously, he had led the resource definition program for Richfield’s Blackwater Davidson project which led to its acquisition the following year by New Gold Inc. for $550M. Mr. Scott holds an M.Sc. from the University of Alberta and a B.Sc. from Carleton University.

Marcus Chalk


Mr. Chalk has over 25 years experience as a leading strategic and capital markets advisor in the global metals and mining industry. Prior to founding GenCap Mining Advisory in May 2020, he spent the past 14 years leading the Vancouver mining investment banking team at Scotiabank. Prior to that, he was at Macquarie North America (Toronto and Vancouver) and CIBC Wood Gundy (Toronto, Sydney and Vancouver). 

He holds a Honours Business Administration and a BA in Economics from the University of Western Ontario and is a CFA Charterholder.

Pamela O’Hara

Vice President Sustainability

Pamela O’Hara is a Registered Professional Biologist with a unique blend of professional experience plus academic training. Pamela has extensive and proven experience in acquiring approvals for complex mining and transportation infrastructure projects and understands the complex environmental and regulatory landscape. 

In the Yukon in recent years, she has been involved in the preparation of the Goldcorp/Coffee Mine (Yukon) YESAB project proposal and completed mine closure assessments for Yukon Energy, Mines and Resources. From 2005 to 2012, she was VP Environment & Community Affairs for Yukon Zinc/Wolverine Mine (Yukon), overseeing the successful implementation of the socioeconomic participation agreement with Kaska First Nations and obtaining project approvals for mine construction and operation.?Pamela believes that authentic, mutually respectful connections among people, as well as working towards shared common goals, are essential to achieving a sustainable future. 

Cindy Chiang, CPA, CA

Chief Financial Officer

Ms. Chiang is a Chartered Professional Accountant (CPA) with experience in both public practice and industry since she became a Chartered Accountant in 2009. During her time in public practice at KPMG, Cindy led audit engagement teams domestically and abroad and is knowledgeable of Canadian and US accounting standards as well as IFRS. 

In the industry, Cindy dealt with financial accounting and internal controls matters. Since May 2021, Ms. Chiang has been the Financial Controller for Fireweed and in recent months has transitioned into her new role as Chief Financial Officer.

Jeffrey Dare

Corporate Secretary

Mr. Dare has over nine years of professional experience with respect to managing external reporting and corporate compliance for TSX Venture Exchange listed issuers. He currently serves as the Corporate Secretary and advisor for a number of junior companies. 

Mr. Dare works closely with external partners and service providers in the areas of legal, compliance, transfer agency, audit, banking and insurance. Mr. Dare holds a BA from Simon Fraser University.