A&O Shearman
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Jan Erik Windthorst heads the arbitration group at A&O Shearman and works predominantly on international cases, drawing on extensive experience in post-M&A conflicts. The team has recently acted in high-profile disputes relating to Russia, both in the energy and financial services sectors. Construction disputes also feature in the workload, and M&A and banking disputes are a notable strength. Tino Schneider specialises in commercial and investment treaty arbitration. Anna Masser left the firm in October 2025 as co-founder of Manner Masser, while Alice Broichmann joined Kröck Sabel Köppel Dispute Resolution in January 2026.
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Testimonials
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- ‘I have consistently had a very positive experience with A&O Shearman. Their work in the area of litigation and arbitration has met and often exceeded my expectations. The quality of legal advice provided by the firm is exceptionally high. The lawyers demonstrate profound expertise and knowledge in complex legal issues.’
- 'The lawyers at A&O Shearman are remarkably flexible and responsive to the needs of their clients, adapting litigation and arbitration strategies to best serve their clients' objectives.'