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Gaëtan Verhoosel KC
Lawyers profile
UK 2026
Lawyers profile | UK 2026: International Arbitration, Energy & Natural Resources: Disputes, Public International Law
Gaëtan Verhoosel KC
Ranked in 3 Practice Areas
1

Band 1

International Arbitration

UK-wide

10 Years Ranked

3

Band 3

Energy & Natural Resources: Disputes

UK-wide

7 Years Ranked

3

Band 3

Public International Law

UK-wide

4 Years Ranked

Ranked in Guides
Global 2025
Europe 2025
Latin America 2026

About

Provided by Gaëtan Verhoosel KC

UK

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.

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.

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.

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

International Arbitration - UK-wide

1
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

3
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

3
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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Strengths

Provided by Chambers

Gaetan is incredibly knowledgeable and practical in his approach. He listens well to the changing temperaments of management and provides solutions as required.

International Arbitration respondent
Chambers Guide to the Legal Profession

Gaëtan is a top-ranking legal professional in all aspects.

International Arbitration respondent
Chambers Guide to the Legal Profession

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