Chambers Review
Provided by Chambers
Chambers Global Guide
International Arbitration: Counsel - USA
Individual Editorial
William O'Brien's areas of expertise include both serving as counsel and representing clients in the enforcement of arbitral awards.
Strengths
Will is a trusted and valued adviser who is extremely responsive and effective.
Will is very strong in cross-border, multi-jurisdictional disputes. He has a wealth of knowledge and expertise. I feel comfortable being in his hands when working on big, complex disputes.
Will is great to work with. He is always professional, knowledgeable and provides clear guidance.
William is determined and enthusiastic.