A&O Shearman
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A&O Shearman ‘s arbitration practice is well-versed in both international and domestic proceedings, representing clients in a range of cross-border cases. The team is headed by Hilde van der Baan, who stands out on energy and construction arbitration and is a key contact for both domestic and international proceedings. Marieke Schaink is a key member of the team and represents clients in M&A, contractual liability and tort disputes. Schaink is well-versed in both ICC and NAI rules. Guido Straub is noted for his work on cross-border arbitration as well as challenge and enforcement proceedings. Marieke van Hooijdonk left the firm in May 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Hands on and to the point. Very strong knowledge base and excellent in defining strategies.’
- ‘Hilde van der Baan and Marieke Schaink are our main contacts in arbitration and stand out for their commitment, excellent legal and strategic arbitration experience and skills. They are always well prepared. They did an excellent job in an arbitration conducted on our behalf.’
Key clients
- NextEra Energy
Work highlights
Advised NextEra on proceedings relating to the enforcement of a final ICSID award against the Kingdom of Spain in the amount of €290.6m.