Cornerstone Metals Inc. announced the appointment of Barry Girling to its advisory board. Mr. Girling is an independent business consultant active in resource companies for over 35 years, including serving as a director of Silver One Resources, Zinc One Resources and iMinerals Inc. and was a founder and former director of Roxgold Inc. Having been involved in all facets of project development from grass roots exploration through feasibility study, he has experience in project finance and development and corporate/shareholder communications.