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Who's Who Legal
Future Leaders

Future Leaders

Future Leader

WWL Ranking: Future Leader

Peers and clients say

"He is a knowledgeable specialist who is very active in the arbitration scene"
"Olivier is a persuasive advocate"

"He is a friendly and approachable specialist"


Olivier van der Haegen is partner in the international arbitration and corporate litigation practice of the Brussels office of Loyens & Loeff.

Olivier joined Loyens & Loeff in 2019, after having spent eight years in the international arbitration and litigation practices of two other law firms in Brussels. Olivier acts as counsel in national and international arbitrations, either in ad hoc proceedings or under institutional rules (mostly ICC and Cepani). His recent activities include the representation of a leading aerostructure company as claimant in an ICC arbitration, the representation of a food and beverages company as respondent in a post-M&A Cepani arbitration and the representation of an African company in an ICC emergency arbitration.

Next to his activities as counsel in (international) commercial arbitrations, Olivier has developed particular expertise in arbitration-related proceedings before Belgian courts (recognition, enforcement or setting aside of arbitral awards). He acted alongside Hakim Boularbah for the former shareholders of the Yukos Oil Company before the Belgian courts.

Olivier holds a master’s degree in law from the University of Louvain (2008), an LLM in European law from the College of Europe (2009) and an LLM from the University of Chicago Law School (2010).

Olivier is a member of the Brussels Bar, the Cepani and the Cepani40 steering committee. A native French speaker, he is also fluent in English and Dutch. He has written several publications on international arbitration, civil procedure and private international law.

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