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Mayer Brown and Tauil & Chequer (T&C) in association with Mayer Brown received top rankings in the 2025 edition of ITR World Tax, a guide to the world’s leading tax firms and lawyers.

Mayer Brown ranked Tier 1 in six practice categories:
• Tax Controversy: California, Illinois, New York, Texas, Washington DC
• Transactional Tax: France

Thirty-four firm lawyers were honored in the following categories:

• Jenny Austin: Tax Controversy, Highly Regarded: United States and Woman Leader in Tax

• James Barry: Transactional Tax, Highly Regarded: United States

• Jason Bazar: Transactional Tax, Notable Practitioner: United States

• Laurent Borey: Tax Controversy, Transactional Tax, Highly Regarded: France

• Cabell Chinnis: Tax Controversy, Highly Regarded: United States and World TP

• Nicolas Danan: Real Estate, Transactional Tax, Rising Star: France

• Pieter de Ridder: Transactional Tax, Notable Practitioner: Singapore

• Elodie Deschamps: Transactional Tax, Highly Regarded: France

• Thomas Dieker: Transactional Tax, Highly Regarded: Germany

• Paul DiSangro: Tax Controversy, Highly Regarded: United States

• Celso Grisi (T&C): Tax Controversy, Highly Regarded: Brazil

• Susan Günther: Transactional Tax, Highly Regarded: Germany

• John Hildy: Tax Controversy, Highly Regarded: United States

• James Hill: Transactional Tax, Highly Regarded: United Kingdom

• Benjamin Homo: Tax Controversy, Highly Regarded: France

• Michelle Jewett: Transactional Tax, Highly Regarded: United States and Woman Leader in Tax

• Volker Junge: Transactional Tax, Highly Regarded: Germany

• Maria Eugenia Kanazawa (T&C): Indirect Tax, Highly Regarded: Brazil and Woman Leader in Tax

• Elena Khripounova: Transfer Pricing, Highly Regarded: United States and Woman Leader in Tax

• Brian Kittle: Tax Controversy, Highly Regarded: United States and World TP

• Thomas Kittle-Kamp: Tax Controversy, Highly Regarded: United States and World TP

• Kenneth Klein: Tax Controversy, Highly Regarded: United States

• Christopher Lalloz: Tax Controversy, Highly Regarded: France

• Larry Langdon: Tax Controversy, Highly Regarded: United States

• Ana Luiza Martins: Tax Controversy, Highly Regarded: Brazil and Woman Leader in Tax

• Jason Osborn: Transfer Pricing, Highly Regarded: United States and World TP

• Edward Osterberg Jr: Tax Controversy, Highly Regarded: United States

• Olivier Parawan: Real Estate, Transactional Tax, Highly Regarded: France

• Anthony Pastore: Tax Controversy, Transfer Pricing, Rising Star: United States

• Leah Robinson: General Corporate Tax, Tax Controversy, Highly Regarded: United States and Woman Leader in Tax

• Kitty Swanson: Transactional Tax, Rising Star: United Kingdom

• Ivan Tauil: Tax Controversy, Highly Regarded: Brazil

• Eduardo Maccari Telles: Tax Controversy, Highly Regarded: Brazil

• Gary Wilcox: Tax Controversy, Highly Regarded: United States

• Joel Williamson: Tax Controversy, Highly Regarded: United States and World TP

• Kai Yan: Corporate Tax, Rising Star: Germany

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