Mary Ann Cosep

Senior Auditor

Mary Ann began her career in the tax practice at PricewaterhouseCoopers.  Subsequently, she worked as an auditor at the HHS Office of Inspector General, where she performed a wide variety of audits involving not-for-profit and healthcare organizations, educational institutions, and entities subject to the Affordable Care Act (ACA) and Medicare regulations.  In 2022, Mary Ann joined the Internal Audit Department.  As a Senior Auditor, her primary focus is conducting internal control audits.  She holds a Bachelor of Science degree in Business Administration, with a concentration in Accounting from California State University, Los Angeles.