Greg Williamson is a tax attorney whose practice focuses on global tax planning, corporate and partnership structuring, mergers and acquisitions, restructurings, and tax controversy matters. He advises businesses, investors, and organizations on sophisticated domestic and international tax issues arising in complex commercial transactions and operational planning.
Clients call Greg where structure can materially affect the economics, timing, flexibility or long-term success of a transaction. He regularly advises on mergers and acquisitions, partnership and LLC structuring, joint ventures, corporate reorganizations, tax controversy matters, and operational tax planning involving sophisticated ownership and governance structures.
Greg is particularly known for helping clients align deal structure with the economic objectives of the transaction. He focuses on identifying where transactions create unintended tax exposure, governance conflicts, operational limitations, or future transaction constraints before those issues become embedded in the deal. Clients value his practical, business-oriented approach and his ability to simplify complicated tax issues while remaining focused on long-term operational and strategic goals.
He has substantial experience advising on matters involving taxable and tax-exempt entities, rollover equity arrangements, partnership structures, cross-border operations, and energy-sector transactions.
Before joining Frederic Dorwart, Lawyers PLLC as a Member in 2025, Greg practiced at Egan Nelson LLP and Weil, Gotshal & Manges LLP and served as Tax Counsel at Exxon Mobil Corporation, where he advised on global investments, refinery divestments, LNG operations, joint ventures, tax controversy matters, and operational restructuring projects involving both domestic and international operations.
Industries Served:
- Energy and Oil & Gas
- Corporate and Commercial Enterprises
- Private Equity
- Manufacturing and Industrial Companies
- International Businesses
Admitted To Practice:
