Arielle Pierson

Arielle Pierson is a seasoned accounting professional with extensive experience in government contract accounting and compliance. Currently serving as a Senior Government Contract Accountant at TerraPower, Arielle reviews travel expense reports and accounts payable invoices for compliance with federal regulations, assists in preparing and issuing invoices, and supports month-end close activities. Previous roles include Senior Associate at Legacy Grant Thornton Public Sector, focusing on travel and non-travel claims compliance, and Senior Compliance Analyst at Grant Thornton LLP, where Arielle analyzed expense claims and provided guidance on compliance with government regulations. Early career experience includes time as a Deltek Time and Expense Analyst at Accenture and an accounting internship at the Metropolitan Washington Council of Governments. Arielle holds a Bachelor of Business Administration in Accounting from the University of Mary Washington.