Tatsuya Koyama, LLM’13, Laura Watson, ’15, and Corina Cercelaru, ’16, Promoted to Partner at Mayer Brown
Mayer Brown promotes 57 lawyers to partners and counsel
Mayer Brown today announces the elevation of 57 lawyers to partner and counsel. The group comprises 36 lawyers who have been promoted to partner, and 21 who have earned the counsel rank. The appointments are effective January 1, 2026.
“We are thrilled to promote these exceptional lawyers whose dedication to client service, collaboration, and innovation reflects the core values that have defined Mayer Brown,” said Mayer Brown Chair Jon Van Gorp. “Their contributions continue to set us apart as a global leader in the legal industry.”
The promoted lawyers represent seven practices and 16 offices across Mayer Brown’s international footprint. The promoted lawyers also represent four of the firm’s Accelerated Growth Groups and four Prioritized Product Teams. Banking & Finance, Litigation & Dispute Resolution, and Corporate & Securities have the greatest number of promotions. The Chicago, London, and Paris offices have the largest number of promotions.
Those elevated to partner are:
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Corina Cercelaru, Corporate & Securities, Chicago
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Tatsuya Koyama, Intellectual Property, Washington DC / Tokyo
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Laura M. Watson, Banking & Finance, Chicago
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