Public International Law: The English Bar
Global Market Leaders
5 years ranked
JUNIOR PROFILE
Simon Olleson
Global 2026
Ranked in 1 practice area
Chambers Review
Provided by Chambers
Chambers Global Guide
Public International Law: The English Bar - Global Market Leaders
Band 1
Individual Editorial
Simon Olleson has a strong academic background in PIL and a keen interest in the law of state responsibility. He has recently advised on the PIL angles of environmental disputes and shown himself to be an expert in maritime delimitation cases and BIT arbitration. He has acted in ICJ, PCA, ICSID and ad hoc arbitration proceedings.
Strengths
Provided by Chambers
Simon is really clever, his forensic analysis and the mastery of the law is evident. He produces excellent advocacy, both written and oral.
Public International Law: The English BarChambers Global GuideSimon is a go-to for me in the heavy-research-focused cases.
Public International Law: The English BarChambers Global Guide
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