Gold Price: US$1,776.11


Robert Vallis, P.Eng, MBA

Director, President and CEO

Mr. Vallis is a mining executive with a wide breadth of business and technical experience across multiple areas including corporate development, strategy and planning, business/transaction development and execution, project and team management, financial evaluations, enterprise continuous improvement and mine Engineering/operations. Mr. Vallis most recently was the SVP Corporate Development with Golden Star Resources. Before this, Mr. Vallis was with Yamana Gold as a Business Development executive for nearly nine years working on transactions such as the C$3.9 Billion joint acquisition of Osisko for 50% of Canada’s largest operating gold mine, and the US$395 Million acquisition of Extorre Gold Mines Ltd. for Cerro Morro(now Yamana’s highest grade operating mine). Prior to Yamana, Mr. Vallis was with Barrick Gold for 15 years in multiple global jurisdictions and roles spanning from global Evaluations & Corporate Development, Capital Projects, Mine Engineering & operations, and global Continuous Improvement. Most notably, Mr. Vallis worked on the successful US$10.4 Billion acquisition of Placer Dome, a transformative deal for Barrick and one of Canada’s largest mining M&A transactions. Mr. Vallis holds a Bachelor of Engineering degree with Dalhousie University in Mine Engineering, a Master of Business Administration degree with the University of Toronto’s Rotman School of Management and is a registered Professional Engineer in the Province of Ontario.

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Donna Mclean


Ms. McLean is an accomplished executive with over 30 years of financial reporting and corporate administration. Ms. McLean has served as Chief Financial Officer and Controller for numerous publicly traded and private companies including a number of mineral exploration companies. She serves as Manager, Accounting Services with Grove Corporate Services Ltd. ( that provides governance, accounting and administrative services to small-cap public and private companies in Canada. Ms. McLean also serves as Chief Financial Officer for Unigold Inc., Firestone Ventures Inc. and Avidian Gold Corp.

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Walter Hanych, P.Geo.

Head Geologist

Mr. Hanych, Professional Geologist registered in Ontario has over 40 years of experience in the exploration industry from grass-roots projects to advanced mine feasibility projects, including corporate structure and financing. Mr. Hanych has a broad range of mineral exploration experience in; gold, base metal, nickel, uranium, PGE, and industrial mineral exploration throughout Canada and internationally. Mr. Hanych has worked or consulted for major and junior companies, including INCO, Falconbridge Nickel, and Copper Fox Metals. Mr. Hanych was involved with the team that initially recognized, the Cote Lake deposit (Iamgold Corporation) as a gold mineralized brecciated intrusive system. Mr. Hanych holds an Honours Bachelor of Science Degree in geology, (1978), from Laurentian University. He is a member of the Professional Geoscientists of Ontario and the Society of Economic Geologists.

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Rickardo Welyhorsky P. Eng

Chief Operating Officer

Mr. Welyhorsky is a registered Professional Metallurgical Engineer with over 28 years of experience spanning all levels of project development and operations in the mining and metals industry. He brings to Signature’s advisory board a wealth of industry experience in various roles globally including with Yamana Gold, Detour Gold, Barrick Gold, and AMEC. Mr. Welyhorsky has held key roles in the study and development of many world-class gold mining operations including Yamana Gold’s Cerro Moro mine and Detour Gold. Mr. Welyhorsky has also held management positions at several Canadian open pit and underground operations and was most recently Mine General Manager at the Pure Gold Mine in Red Lake, Ontario, Canada where he was successful at taking the project into operations.

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