Professional Services 2024: BILL MARX JR.

Marx became Grant Thornton’s D.C. market managing principal in July, leading the Arlington regional office for the Chicago-based U.S. arm of the global accounting firm network. He succeeds Greg Wallig, who left in June. 

With more than 25 years of experience, Marx has been 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. He often leads classes and panels at events hosted by The Financial Executives Networking Group, the Tax Executives Institute and the American Bar Association.

Grant Thornton employs about 375 people in Virginia and more than 72,800 worldwide. It posted U.S. revenues of $2.4 billion and $7.5 billion globally for fiscal 2023.