Ray Mah, P.Eng. has 40 years of professional experience in engineering, construction and mining including the successful completion of numerous mine developments in Canada, USA, Chile, and other countries. He was Project Manager with Placer Dome Inc. for 20 years until its acquisition by Barrick Gold Corp. Subsequently, he installed and led the project team at Yukon Zinc Corp. taking a late stage exploration project from feasibility study, design and construction and into operation. Since 2012, Mr. Mah has been engaged to offer his expertise on several multi-billion-dollar projects as an Independent Consultant. Throughout his career he has assumed diverse roles such as Owners Representative and Senior Advisor providing executive management oversight and technical support for projects in various stages of their implementation, encompassing feasibility/optimization studies, detailed design and engineering, planning and construction.