Gaëtan Verhoosel KC

Ranked in 3 Practice Areas

Band 1

International Arbitration

UK-wide

9 Years Ranked

Band 3

Energy & Natural Resources: Disputes

UK-wide

6 Years Ranked

Band 3

Public International Law

UK-wide

3 Years Ranked

Ranked in Guides

Global 2025

Europe 2024

Latin America 2025

About

Provided by Gaëtan Verhoosel KC

Practice Areas

Gaëtan is a founding partner of Three Crowns. He has over 20 years of experience serving as advocate or arbitrator in both commercial and investment treaty arbitrations.

Professional Memberships

Gaëtan is a past Senior Co-Chair of the Arbitration Committee of the International Bar Association – a leading standard-setter for the practice of international arbitration. He is a member of the SIAC Court of Arbitration and was appointed to the ICSID Panel of Arbitrators by the Kingdom of Belgium. He has taught at King’s College School of Law in London and Columbia Law School in New York.

Languages Spoken

English, Spanish, Dutch, French

Career

Before entering private practice, he served as a Legal Advisor at the World Trade Organization in Geneva, where he advised dispute settlement panels adjudicating disputes between sovereigns across a range of industry sectors.

Chambers Review

Provided by Chambers

UK

International Arbitration - UK-wide

Band 1

Individual Editorial

Gaëtan Verhoosel KC has earned an excellent reputation for his extensive commercial and investor-state practice, handling arbitrations seated across the world and under the auspices of various institutions. He also accepts appointments as arbitrator.

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Public International Law - UK-wide

Band 3

Individual Editorial

Gaëtan Verhoosel KC serves as both advocate and arbitrator in a range of investment treaty arbitrations, particularly those conducted under ICSID rules. His practice in this area is also complemented by his academic background in international investment law.

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Energy & Natural Resources: Disputes - UK-wide

Band 3

Individual Editorial

Gaëtan Verhoosel KC of Three Crowns represents oil and gas majors and utility companies in commercial and investment treaty arbitrations. He has experience in disputes concerning various issues, including construction contract termination and LNG price reviews.

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