![John Calder](/-/media/site/bio-images/john-calder.jpg?h=205&iar=0&w=150&rev=d41900c717a847bc99004e062c60986b&hash=5C30D8917B9F49B9727327B51BEB3A0C)
John Calder
CPA, CA
John is a member of the assurance standards group at Grant Thornton. In this role, he assists engagement teams in resolving complex assurance-related issues. He also develops training and guidance, and writes communications regarding emerging assurance issues.