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Professional Services 2025: BILL MARX JR.
MARKET MANAGING PRINCIPAL, METRO WASHINGTON, D. C., GRANT THORNTON, ARLINGTON COUNTY
Virginia Business //September 2, 2025//
Professional Services 2025: BILL MARX JR.
MARKET MANAGING PRINCIPAL, METRO WASHINGTON, D. C., GRANT THORNTON, ARLINGTON COUNTY
Virginia Business //September 2, 2025//
Marx became Grant Thornton’s D.C. market managing principal in 2024, leading the Arlington regional office for the Chicago-based U.S. arm of the global accounting firm network.
With more than 25 years of experience, Marx was a tax principal at Grant Thornton for 13-plus years. From 2015 to 2020, he led the firm’s Tax Accounting and Risk Advisory practices for its Atlantic Coast region.
He previously was managing director of tax services for LECG Business Consulting. (Grant Thornton purchased its parent company’s tax and business consulting groups in 2011.) Marx has also worked for InfraSource Services, Comcast and PricewaterhouseCoopers.
He holds bachelor’s degrees in education and accounting from Pennsylvania State University and a master’s degree in taxation from the University of Tulsa. Marx is a board member and treasurer of the Philadelphia School Partnership and a member of the American Institute of Certified Public Accountants.
Grant Thornton employs about 375 people in Virginia and more than 72,800 worldwide. It posted U.S. revenues of $2.4 billion in fiscal 2023. In fiscal 2024, Grant Thornton International reported $8 billion in revenue.
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