Full Name
Professor Dan Sarooshi KC
Job Title
Barrister
Company
Essex Court Chambers
Speaker Bio
Professor Dan Sarooshi KC has a track record of success in high profile cases. He has argued over 110 cases as advocate and counsel for States, international organisations, and corporations in international courts (International Court of Justice, European Court of Human Rights, WTO, UN Tribunals), investment arbitrations (ICSID, ICSID AF, ECT, PCA, NAFTA, ICC, UNCITRAL, and LCIA), and the highest domestic courts in the UK, Hong Kong, BVI, Singapore and the Bahamas. His cases include:
Seven States before the International Court of Justice (e.g. as advocate and counsel for the UAE, UK, and Kuwait);
Over 45 investor-State arbitrations for both States and investors under ICSID, ICSID AF, ECT, ICC, LCIA, NAFTA, PCA, & UNCITRAL Rules; and
Over 50 cases before UK and other national courts, including eleven cases before the UK Supreme Court and Court of Appeal and eight cases (all successful) for the US Government on sovereign immunity issues.
His clients include 25 States (e.g. UK and USA), 23 international organizations, and corporations (e.g. BAT, Exxon Mobil, Kuwait Investment Office and Tesco).
In 2025, he was Barrister of the Year Finalist for The Lawyer Awards 2025 and Barrister of the Year Finalist for Legal Business Awards 2025.
Before being appointed King’s Counsel, he was a member of both the UK Attorney General Panel of Counsel for Public International Law cases and the AG Panel of Counsel for Constitutional and Commercial Law cases. Dan was appointed by the UK and EU to the panel of arbitrators appointed to hear Brexit-related disputes.
He combines his full-time advocacy and litigation services with his position as Professor of Public International Law at the University of Oxford. He joined the Oxford Law Faculty in 2003 and was in 2006 promoted to full Professor of Public International Law.
Earlier in his career, Dan published four books on international law which were awarded the American Society of International Law Book Prize twice (2001 & 2006), 1999 Swiss Guggenheim Prize, and 2006 US McDougal Prize. He is co-General Editor (with Sir Michael Wood KC) of Oppenheim’s International Law (forthcoming: 10th edition). In 2018, he delivered a weeklong course of lectures at the Hague Academy of International Law on “The Immunity of States and International Organisations in Domestic Courts
Seven States before the International Court of Justice (e.g. as advocate and counsel for the UAE, UK, and Kuwait);
Over 45 investor-State arbitrations for both States and investors under ICSID, ICSID AF, ECT, ICC, LCIA, NAFTA, PCA, & UNCITRAL Rules; and
Over 50 cases before UK and other national courts, including eleven cases before the UK Supreme Court and Court of Appeal and eight cases (all successful) for the US Government on sovereign immunity issues.
His clients include 25 States (e.g. UK and USA), 23 international organizations, and corporations (e.g. BAT, Exxon Mobil, Kuwait Investment Office and Tesco).
In 2025, he was Barrister of the Year Finalist for The Lawyer Awards 2025 and Barrister of the Year Finalist for Legal Business Awards 2025.
Before being appointed King’s Counsel, he was a member of both the UK Attorney General Panel of Counsel for Public International Law cases and the AG Panel of Counsel for Constitutional and Commercial Law cases. Dan was appointed by the UK and EU to the panel of arbitrators appointed to hear Brexit-related disputes.
He combines his full-time advocacy and litigation services with his position as Professor of Public International Law at the University of Oxford. He joined the Oxford Law Faculty in 2003 and was in 2006 promoted to full Professor of Public International Law.
Earlier in his career, Dan published four books on international law which were awarded the American Society of International Law Book Prize twice (2001 & 2006), 1999 Swiss Guggenheim Prize, and 2006 US McDougal Prize. He is co-General Editor (with Sir Michael Wood KC) of Oppenheim’s International Law (forthcoming: 10th edition). In 2018, he delivered a weeklong course of lectures at the Hague Academy of International Law on “The Immunity of States and International Organisations in Domestic Courts
Speaking At
