Clarke has a long list of companies he has worked with, including Bonterra Resources Inc (CVE:BNE). While there, he coordinated all exploration, which culminated in an NI 43-101 inferred gold resource of 492,000 ounces.
He has also been a director of Golden Share Mining Corporation, and served as president and director of Nanoose Gold Ltd, a private exploration company that was acquired by Golden Share Mining Corporation in October 2010.
Patrick Morris CEO said. "We are very pleased to welcome Mr. Clarke to the board and look forward to his enthusiasm and knowledge of energy metals to our team."
Shares in Primary Cobalt added 8.33% to C$0.065 on the day.