December 3, 2025 – Mayer Brown earned top rankings in the 2026 edition of ITR World Tax, a leading guide to tax firms and lawyers worldwide.
Mayer Brown ranked Tier 1 in seven practice categories:
• Tax Controversy: Brazil, California, Illinois, New York, Texas, Washington DC
• Transactional Tax: France
Thirty-five firm lawyers were honored in the following categories:
• Jenny Austin: Tax Controversy, Woman Leader in Tax, Highly Regarded: Illinois
• James Barry: Transactional Tax, Highly Regarded: Illinois
• Jason Bazar: Notable Practitioner: New York
• Laurent Borey: Tax Controversy, Transactional Tax, Highly Regarded: France
• Cabell Chinnis: Tax Controversy, Transfer Pricing, Highly Regarded: United States and California
• Nicolas Danan: Real Estate, Transactional Tax, Rising Star: France
• Elodie Deschamps: Transactional Tax, Woman Leader in Tax, Notable Practitioner: France
• Thomas Dieker: Transactional Tax, Highly Regarded: Germany
• Paul DiSangro: Tax Controversy, Highly Regarded: California
• Ben Eaton: Real Estate, Highly Regarded: United Kingdom
• Susan Günther: Transactional Tax, Highly Regarded: Germany
• John Hildy: Tax Controversy, Highly Regarded: Illinois
• James Hill: Transactional Tax, Highly Regarded: United Kingdom
• Benjamin Homo: Tax Controversy, Highly Regarded: France
• Michelle Jewett: Woman Leader in Tax, Highly Regarded: New York
• Volker Junge: Transactional Tax, Highly Regarded: Germany
• Elena Khripounova: Woman Leader in Tax, Highly Regarded: District of Columbia
• Brian Kittle: Tax Controversy, Transfer Pricing, Highly Regarded: United States and New York
• Thomas Kittle-Kamp: Tax Controversy, Transfer Pricing, Highly Regarded: United States and Illinois
• Kenneth Klein: Tax Controversy, Highly Regarded: District of Columbia
• Christopher Lalloz: Tax Controversy, Highly Regarded: France
• Ana Luiza Martins: Tax Controversy, Women in Tax Leader, Highly Regarded: Brazil
• Matthew Mortimer: General Corporate Tax, Transactional Tax, Notable Practitioner: United Kingdom
• Jason Osborn: Transfer Pricing, Highly Regarded: United States
• Edward Osterberg Jr: Tax Controversy, Highly Regarded: Texas
• Olivier Parawan: Real Estate, Transactional Tax, Highly Regarded: France
• Anthony Pastore: Tax Controversy, Transfer Pricing, Rising Star: Illinois
• Leah Robinson: General Corporate Tax, Tax Controversy, Woman Leader in Tax, Highly Regarded: New York
• William Schmalzl: Tax Controversy, Highly Regarded: Illinois
• Kitty Swanson: Transactional Tax, Woman Leader in Tax, Notable Practitioner: United Kingdom
• Ivan Tauil: Tax Controversy, Highly Regarded: Brazil
• Eduardo Maccari Telles: Tax Controversy, Highly Regarded: Brazil
• Gary Wilcox: Tax Controversy, Highly Regarded: District of Columbia
• Joel Williamson: Tax Controversy, Transfer Pricing, Highly Regarded: United States and Illinois
• Kai Yan: General Corporate Tax, Rising Star: Germany
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