W. Durand Eppler

Mr. Eppler has over 30 years of finance, exploration, production and resource marketing experience. He is a founding partner of Sierra Partners LLC, a Denver-based investment and advisory firm focused on providing strategic and business advisory services to global resource clients. Prior to founding Sierra, Mr. Eppler worked in corporate development as a Vice-President at Newmont Mining Corporation. Mr. Eppler currently serves as a Director of Vista Gold Corp., Golden Minerals Inc. and Frontier Mining Ltd. and was previously a Director for Augusta Resource Corporation prior to its acquisition.