Mark Tessar, CPA, CIA

Mark Tessar is an accomplished Senior Audit Manager with over 16 years of experience specializing in audits of tax-exempt organizations, including charities, private foundations, professional associations, and other nonprofit entities. As a licensed CPA and CIA, he brings deep expertise in both external and internal audit functions, with a strong focus on risk assessment, compliance, and governance. His work includes significant experience auditing international organizations and navigating the complexities of cross-border operations, global regulatory requirements, and multi-currency financial reporting. In addition to leading external audit engagements, Mark has conducted internal audits for a range of organizations, offering strategic insights that enhance accountability and strengthen control environments.