Robert Vallis joined Golden Star in February 2019 as Senior Vice President, Corporate Development. Previously, Mr. Vallis was Vice President, Business Development with Yamana Gold following over eight years with the firm in Business Development. Prior to this, he held multiple positions over a 13-year period with Barrick Gold in Corporate Development, Continuous Improvement, and Mine Operations principally at its Global Headquarters and Canadian Operations. Robert holds an MBA from Rotman School of Management, a B.Eng. in Mining/Petroleum from Dalhousie University, and is a registered Professional Engineer in Ontario, Canada.