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Contact

Contact with chambers should be made through the Practice Management Team. They are happy to discuss client requirements and provide further information on such matters as the expertise and experience of individual members, fees, working practices and languages spoken. We have members able to work in French, German, Italian, Spanish, Dutch, Swedish, Greek and Chinese (Mandarin).

Outside working hours, a member of our team is always available to be contacted on matters of an urgent nature. Contact should be made using the Chambers main number or email.

Visiting Twenty Essex: Our London premises welcome guests at No 23 Essex Street. Step-free access is available via Milford Lane, with elevator access to all floors in No 23.

Singapore office: For client enquiries please contact our Head of BD, Asia Pacific, Katie-Beth Jones, and for all other queries please contact Lynn Quek. Out-of-office-hours calls will automatically be diverted to our practice management team in London.

London

20 Essex Street
London
WC2R 3AL

[email protected]
t: +44 20 7842 1200

Singapore

28 Maxwell Road
#02-03 Maxwell Chambers Suites
Singapore 069120

[email protected]
t: +65 62257230

Contact

Contact with chambers should be made through the Practice Management Team. They are happy to discuss client requirements and provide further information on such matters as the expertise and experience of individual members, fees, working practices and languages spoken. We have members able to work in French, German, Italian, Spanish, Dutch, Swedish, Greek and Chinese (Mandarin).

Outside working hours, a member of our team is always available to be contacted on matters of an urgent nature. Contact should be made using the Chambers main number or email.

Visiting Twenty Essex: Our London premises welcome guests at No 23 Essex Street. Step-free access is available via Milford Lane, with elevator access to all floors in No 23.

Singapore office: For client enquiries please contact our Head of BD, Asia Pacific, Katie-Beth Jones, and for all other queries please contact Lynn Quek. Out-of-office-hours calls will automatically be diverted to our practice management team in London.

London

20 Essex Street
London
WC2R 3AL

[email protected]
t: +44 20 7842 1200

Singapore

28 Maxwell Road
#02-03 Maxwell Chambers Suites
Singapore 069120

[email protected]
t: +65 62257230

Sophie Ryan

Sophie Ryan

Call: 2024

Sophie has a broad practice spanning all of Chambers’ areas of expertise, with a focus on public and private international law.

In her practice before domestic courts, Sophie has a particular interest in complex questions of jurisdiction in cross-border proceedings. Since completing pupillage and joining Chambers in 2025, she has appeared before a range of English courts (including the UK Supreme Court) in cases involving issues including of State immunity, permission to serve abroad, validity of service, and forum (non) conveniens. Alongside practice, Sophie is also completing a DPhil in Law at the University of Oxford supervised by Professor Andrew Dickinson on the limits of English adjudicative jurisdiction in cross-border litigation involving foreign States.

Sophie’s international practice spans the full spectrum of public international law, including State responsibility, jurisdiction and immunities, international human rights law, the law of armed conflict, the law of the sea, and boundary disputes. Sophie is also well-versed in investor-State and international commercial arbitrations conducted under major institutional rules (including UNCITRAL, ICSID, SIAC, ICC, LCIA, and LMAA), as well as arbitration-related litigation in the English courts.

Sophie has published in leading law journals and won awards for her academic work. She has taught public international law and contract law at the University of Oxford, is currently serving as an Associate Editor of the British Yearbook of International Law, and is an Alternate Member of the ILA Committee on Protection of People at Sea.

Sophie is an Australian-at-Large Rhodes Scholar and New Colombo Plan Fellow (Singapore). She has worked as a Legal Officer at the Australian Law Reform Commission and served as an Associate to a Judge of the Federal Court of Australia. She holds a Bachelor of Civil Law (Distinction) from the University of Oxford and Bachelors of Arts (Peace and Conflict Studies; Studies in Religion) and Laws (First Class Honours) from the University of Queensland, part of which she completed at NUS Law in Singapore.

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Public international law

Conflict of laws/private international law

Commercial litigation

Arbitration

Human rights and public law

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