Garreth is an experienced and strategic advocate focusing on complex commercial disputes and arbitration.

With over 15 years of experience, Garreth is a partner in the London office. He has significant experience as lead counsel in cross-border and international disputes.

Garreth represents clients in complex commercial disputes, as well as investment treaty arbitration. He has conducted arbitrations under various rules (including ICC, ICSID, LCIA, SIAC, UNCITRAL and WIPO) and under a wide variety of national laws, including English, US, Canadian, European, African and Chinese laws.
Garreth is instructed in matters relating to Africa, Europe, Russia, North America and China. His experience spans disputes relating to joint venture and shareholder agreements, M&A, telecommunications, oil/gas and renewable energy, natural resources and mining, financial services, technology and pharmaceuticals.

In addition to his counsel work, Garreth is increasingly sought after as an arbitrator and is appointed on LCIA and ad hoc arbitrations as sole and co-arbitrator. He is on the LCIA's Database of Arbitrators and WIPO's List of Arbitrators.

Garreth is consistently recognised in the legal directories, including Legal 500, 2014-2017, GAR100, 2017, Who's Who Legal: Arbitration 2018, Who’s Who Legal: Arbitration – Future Leaders 2017, and Super Lawyers 2015.

He is a regular speaker at conferences, and is a member of various arbitration bodies including the LCIA, ICC, IBA and CIArb. Prior to joining us, Garreth practised for a number of years as a barrister at Matrix Chambers, London.

Garreth graduated with a BA and an LL.M from Cambridge University.

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Lawyer Testimonials
  1. A “highly effective advocate", "strategic, commercial, energetic and responsive” who “goes the extra mile” when fighting for his client.

    GAR 100, 2018
  2. Garreth "has excellent knowledge and is an excellent strategist"

    Legal 500, 2017
  3. "A rising star"

    Legal 500, 2016