
Tax: Controversy
USA Guide 2026 : USA - Nationwide
Rankings

Ranked Individuals
Ranked Individuals
Chambers Review
Provided by Chambers
Work Highlights
Provided by Chambers
Vinson & Elkins represented Oriole Management, LLC, as the tax matters partner of Otay Project, L.P., a California-based real estate developer, in Tax Court litigation involving novel issues of partnership taxation.
Strengths
Provided by Chambers
The team at Vinson & Elkins is very strong and has a significant amount of depth.
Tax: Controversy respondentUSAThe team is extremely responsive and acts with a sense of urgency.
Tax: Controversy respondentUSAThe Vinson & Elkins team truly understands our business needs and advises in a manner beyond the purely legal.
Tax: Controversy respondentUSA
Notable Practitioners
Provided by Chambers
Band 2 
Band 2 
George Matthew Gerachis
George Matthew Gerachis co-heads the firm's tax group and is recognized for his experience in tax controversy litigation and related appeals.
George is able to break down issues and gets to the objectives quickly.
Tax: Controversy respondentUSAGeorge has so much experience and a wealth of knowledge of both the technical matters and the court system. Despite being so senior in the industry, he is very easy to work with and explains things in a way that is easy to understand.
Tax: Controversy respondentUSA
Band 2 
Band 2 
Kathleen M Pakenham
Kathleen Pakenham is noted for her representation of clients in a broad range of tax disputes, including all phases of litigation and related appellate proceedings. Kathleen is an amazing tax controversy attorney. She was able to get up to speed on our issues very quickly and worked with us to achieve an excellent resolution.
Tax: Controversy respondentUSAKathleen demonstrates exceptional judgment and clarity when advising on issues while still maintaining a client‑focused approach.
Tax: Controversy respondentUSAKathleen is a creative and strategic thinker and works hard for all her clients. She is extremely proactive in communication and willing to help on any issue.
Tax: Controversy respondentUSA
Band 4 
Band 4 
Adriana Wirtz
Adriana Wirtz is a respected tax controversy attorney based in Vinson & Elkins LLP's New York office. She represents her clients in a broad range of matters, including audit and litigation.
Adriana is exceptional. She is very bright, organized and a pleasure to work with.
Tax: Controversy respondentUSAShe is responsive and efficient, ensuring timely support on sensitive or high‑impact matters, and consistently delivers well‑reasoned advice that balances technical accuracy with business practicality.
Tax: Controversy respondentUSAAdriana is a pleasure to work with. She has a lot of knowledge of the tax court system having clerked for a judge before.
Tax: Controversy respondentUSA
Ranked Individuals at Vinson & Elkins LLP (3)
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