John Gravelle

Brio Gold, Inc. engages in the mining, exploration, extraction, processing, and sale of gold. Its operation is carried out through the following segments: Fazenda Brasileiro, Santa Luz, Pilar, Mineraco Riacho dos Machados, and Corporate and Others. The company was founded on July 11, 2014 and is headquartered in Toronto, Canada.

Artisan Vehicle Systems, Inc. engages in the manufacturing of zero emission battery powered mining vehicles. It offers powertrains, battery packs, master vehicle controls, high powered chargers, and maintenance systems. The company is headquartered in Camarillo, CA.

PricewaterhouseCoopers LLP provides accounting services. The firm provides industry focused assurance, advisory and tax services for public, private and government clients in four areas such as corporate accountability, risk management, structuring and mergers and acquisitions and performance and process improvement. Its services include consulting, deals, risk assurance services and insolvency assignments. The company was founded on July 1, 1998 and is headquartered in Toronto, Canada.

Century Metals, Inc. engages in gold mining activities. It owns and operates gold-focused polymetallic reserve which contains gold, copper, and zinc minerals. The company was founded on August 24, 2017 and is headquartered in Toronto, Canada.