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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.

For our Singapore office, for client enquiries please contact our Head of Business Development for 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

enquiries@twentyessex.com
t: +44 20 7842 1200

Singapore

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

singapore@twentyessex.com
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.

For our Singapore office, for client enquiries please contact our Head of Business Development for 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

enquiries@twentyessex.com
t: +44 20 7842 1200

Singapore

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

singapore@twentyessex.com
t: +65 62257230

Professor Julian DM Lew KC

Professor Julian DM Lew KC

Silk: 2003 Call: 1970 (Solicitor: 1981; Attorney-at-law, New York: 1985)

Languages: French (proficient)

Julian is a full-time arbitrator in international commercial and investment disputes. He accepts appointments as arbitrator in international commercial and investment disputes.

He has been involved with international arbitration for more than 40 years as an academic, counsel and arbitrator. Before 2005, Julian was a partner and, for some years, the head of the international arbitration practice group of Herbert Smith.

Professional expertise includes international transactions affecting investments, purchase and sale of corporate entities and assets, joint ventures, oil and gas exploration, development and production agreements, research and development and promotions of pharmaceutical and chemical products, mining and concession arrangements, distribution, agency, licensing contracts, infrastructure and construction projects, international trade finance, trading arrangements with developing countries, EC law and arbitration arising out of all such transactions.

Julian has been appointed as a sole, presiding and co-arbitrator in arbitrations under the rules of all the major arbitral institutions and under UNCITRAL and Swiss Chambers’ Arbitration Institution rules.

He is Professor of International Arbitration and Head of the School of International Arbitration, Centre for Commercial Law Studies, Queen Mary University of London. He has held these positions since the School’s creation in 1985.

He is top ranked in both The Legal 500 and Chambers and Partners. In Chambers UK Bar 2024, he is described as “a seasoned arbitrator and academic with immense experience acting in commercial and investment disputes.”

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Banking and finance

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Investment

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Julian has the integrity and ability to resolve the most sensitive matters as an arbitrator.

Chambers UK Bar 2025

He is hugely experienced, relaxed, knowledgeable and very responsive. He's great to have on the tribunal and always has an answer on the trickiest issues.

Chambers UK Bar 2022

One of the most responsive and best prepared arbitrators working.

The Legal 500 UK Bar 2020

Extremely experienced in commercial and investment treaty arbitrations.

The Legal 500 UK Bar 2018

Definitely among the elite arbitrators.

The Legal 500 UK Bar 2017

A very experienced arbitrator.

Chambers UK Bar 2018

Interviewees highlight his ‘thorough analysis of the case and understanding of the issues.’

Chambers Global 2018

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