Christopher is a mining engineer and was President of Micon International Limited, mineral industry consultants from its founding in 1988 to mid-2005. He has been active in the consulting area since 1967 when he joined David S. Robertson & Associates, Micon's predecessor firm. Prior to joining Robertson & Associates, he was in charge of mine design and operation for Canada's first oil sands operation. He has directed or participated in the preparation of feasibility studies for mineral deposits in Canada, the United States, Africa, Europe and Asia. These projects have involved base metals, precious metals and potash, and initial capital expenditures of up to about $500 million. Christopher recently served as Chairman and lead director of Meridian Gold Corp. prior to that company's merger with Yamana Resources Inc.