Mark Tessar, CPA, CIA

Biography

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.

Mr. Tessar is responsible for performing fieldwork and reviewing the work of audit staff, and client interaction on audits performed in accordance with auditing standards generally accepted in the United States of America, Government Auditing Standards and the requirements of Title 2 U.S. Code of Federal Regulations (CFR) Part 200, Uniform Administrative Requirements, Cost Principles, and Audit Requirements for Federal Awards (Uniform Guidance). In addition, he ensures the efficient, timely and accurate completion of fieldwork, audit report preparation and other key deliverables.