Corporate

Management Team

Matthew Manson PhD

Matthew Manson PhD

President, CEO and Director

Matt was appointed President and CEO of Marathon Gold in August 2019. He has over 25 years in mining exploration, project development, construction and operation. Matt was previously the President and CEO of Stornoway Diamond Corporation where he led the C$947M project financing for the Renard Diamond Mine in north central Quebec and oversaw its successful construction and ramp-up. Prior to Stornoway (and its predecessor companies), Matt was employed by Aber Diamond Corporation (now Dominion Diamond Corporation) as Vice-President, Marketing, and thereafter Vice-President, Technical Services and Control, during which time he participated in the US$230m project financing for the Diavik Diamond Mine and oversaw Aber’s technical and marketing operations. In 2015, Matt was awarded the Viola Macmillan Award by the Prospectors and Developers Association of Canada, and in 2017 he was the Northern Miner Mining Person of the Year and the Ernst & Young Entrepreneur of the Year (Mining and Energy, Quebec), Matt is also a director of Fiore Gold (TSXV:F) and AmAuCu Inc. (a private corporation), and a graduate of the University of Edinburgh (B.Sc. Geophysics, 1987) and the University of Toronto (Ph.D. Geology, 1996).


Hannes Portmann

Hannes Portmann

Chief Financial Officer and Business Development

Mr. Portmann was appointed Chief Financial Officer of Marathon Gold in October 2019. He is a mining executive with significant financial management and capital markets experience. Most recently (2008 to 2018) he was employed by New Gold Inc. in a series of progressively more senior roles including Executive Vice President, Business Development and, ultimately, President and Chief Executive Officer. Prior to New Gold, he was a member of the Merrill Lynch investment banking mining group (2006 to 2008) and the assurance and advisory practices of PricewaterhouseCoopers LLP (2002 to 2006).

Hannes is a Chartered Professional Accountant and holds a Bachelor of Science in Mining Engineering from Queen’s University and a Master of Management and Professional Accounting from the Rotman School of Management, University of Toronto. Hannes is also a member of the Board of Directors of SilverCrest Metals Inc.


Sherry M. Dunsworth

Sherry M. Dunsworth

Sr VP of Exploration

Ms. Dunsworth is a M.Sc. graduate in Earth Sciences from Memorial University in St. John’s, Newfoundland. She also received a B.Sc. Honours degree in Geology from St. Mary’s University in Halifax, Nova Scotia. Ms. Dunsworth is a professional geologist with over 30 years exploration experience, working throughout Canada as well as parts of Europe and South America. She was a member of the Mineral Rights Adjudication Board of Newfoundland and Labrador, served as Geoscience Councillor for the Association of Professional Engineers and Geoscientists of Newfoundland and Labrador, and is currently a Director with Mining Industry Newfoundland and Labrador.


James Powell

James Powell

VP Regulatory and Government Affairs

Mr. Powell is a mining professional with over 20 years of technical and project management experience in mining, civil, geotechnical, and environmental engineering/sciences on a wide range of mining and industrial projects. Mr. Powell has a B.Sc. in Engineering (civil) from the University of New Brunswick in Fredericton, NB, and a Master of Engineering (M.Eng.) in Mining Engineering from McGill University in Montreal, QC. His experience includes over 16 years of consulting services to a variety of mining projects including gold, nickel, iron, copper/zinc, and industrial minerals, as well as over 4 years in senior management positions with Alderon Iron Ore Corp and Cap-Ex Iron Ore Corp. Mr. Powell’s work has been instrumental in developing and expanding mining projects throughout Newfoundland and Labrador. In addition, Mr. Powell has been a leader in mining industry advocacy through his many years of service as a (former) Director with Mining Industry NL and is currently the President/Chair of the NL Branch of the Canadian Institute of Mining, Metallurgy and Petroleum (CIM).


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