Wendy J. Miles, QC is a partner in the firm’s London office and a member of the International Dispute Resolution Group. Her practice focuses on international arbitration and public international law.

Ms. Miles is recognised as one of the market’s foremost lawyers in the fields of arbitration and public international law. With over twenty years of experience, Ms. Miles has conducted arbitrations under all the major institutions, as well as conducting ad hoc arbitrations and undertaking significant public international law cases. She has advised a wide range of multinationals, sovereign states and state entities.

Ms. Miles represents clients across numerous sectors, including energy, natural resources, gaming, manufacturing, financial services, pharmaceutical, licensing, telecommunications, insurance and construction.

Ms. Miles is ranked as a leading international arbitration adviser by Chambers Global (2020), which describes her as “a very polished presenter and advocate,” who is “incredibly commercial and very practical, as well as being very strong technically.” She has also been hailed “a leading light in the arbitration community” and “a fantastic, hands-on partner who is visionary in terms of the final goal.” According to Chambers Europe (2020), she is “incredibly commercial and very practical, as well as being very strong technically.” In previous editions of the guide, clients have said that she is “superb,” and “has arbitration running through her veins.” Chambers UK (2020) also names her in the top band of arbitrators, stating that she is “an exceptional partner” who “unravels the complex material.” Previous editions of the guide have described her as “a force in international arbitration.” Benchmark Litigation Europe (2020) recommends Ms. Miles for her international arbitration practice, and for advising on energy and natural resources matters. She is included in The Legal 500’s inaugural International Arbitration Powerlist, and The Legal 500 UK (2020) guide recommends her as a leading individual for international arbitration and public international law. She is further noted for her corporate crime work. She is described as “dedicated and technically excellent, while also being commercially minded and savvy.” The guide has also noted that she is a lawyer who “goes the extra mile” and who is “willing and able to take on difficult cases.” Ms. Miles is named a Global Elite Thought Leader for Arbitration by Who’s Who Legal which notes her “pragmatic and insightful advice” in major public international law disputes. She was awarded “Best in Commercial Arbitration” in the 2015 and 2016 Euromoney Women in Business Law Awards, and continues to be listed by Expert Guides in its annual Women in Business Law list, as well as in its list of the UK’s leading commercial arbitration practitioners.

Ms. Miles has published numerous articles and is a frequent speaker on international arbitration issues. Recent articles include “AVCA Legal & Regulatory Bulletin: The OECD BEPS Action Plan and Tax Considerations for Investors,” AVCA Legal & Regulatory Bulletin (February, 2019); “The inevitable policy response to climate change,” Private Funds Management (November, 2018); “Climate Change Related Financial Risk, Spotlight on Reporting,” Practical Law (May, 2018); “International Boundary Disputes and Natural Resources,” International Arbitration in the Energy Sector (April, 2018); “A Principled Approach Towards the Law Governing Arbitration Agreements,” Jurisdiction, Admissibility, Choice of Law in International Arbitration (February, 2018); “Waking up to Climate Change: SDay-to-day Considerations,” The Drawdown (November, 2017); “Climate Change and Dispute Resolution,” Dispute Resolution International (October 2017); contributing author to Williams & Kawharu on Arbitration (June 2017); and “Dispute Resolution and Climate Change, the Paris Agreement and Beyond,” ICC Publication (June, 2017).

Recent speaking engagements include “New class of Claims in International Arbitration,” International Arbitration Conference (November, 2019); “Reforming Investor-State Dispute Resolution,” CDR Arbitration Symposium (October, 2019); “Using International Arbitration as an Investment Strategy,” EMPEA Africa Council Meeting (October, 2019); delivering the keynote address at the 5th Edition of the Dispute Resolution in M&A Transactions Conference (May, 2019); “Women in International Arbitration,” Second South Pacific International Arbitration Conference (March, 2019); “Introduction to International Commercial Arbitration,” Second South Pacific International Arbitration Conference (March, 2019); “Climate Change Risks, Focusing on Practical Insights for Board Directors,” The Board Masterclass - Key Developments Affecting Board Directors (March, 2019); “IBA v Prague / Document Production/ Evidence?,” SIA – CCLS Co-Curricular Seminars (February, 2019); “International Arbitration in the UK Context,” Trade Talks Seminar (January, 2019); “Increasing Climate Ambition, A Public Private Dialogue,” COP24 Official Side Event (December, 2018); “Protecting Climate Change Investment,” QMUL Paris and COP 24 (December, 2018); “Main Legal Compensation Standards and Compensation Framework in Commercial Arbitration,” Milan Arbitration Centre (November, 2018); “Proposed Revision of the ICSID Rules,” ICSID-SIA-BIICL Conference (November, 2018); “Ghost Protocol: Principles & Theories for Evaluation of Damages,” CAM Annual Conference (November, 2018); “Biggest Challenges for Oil and Gas Arbitration,” III Oxford Symposium on Comparative International Commercial Arbitration (November, 2018); “The Equity Project: Press Roundtable” (November, 2018); “Climate Change,” What Litigators Can Do About Climate Change (October, 2018); “Task Force on Arbitration of Climate Change Related Disputes,” ICC Commission on Arbitration and ADR (October, 2018); “Using Your Airtime Wisely at Hearings: What to Focus on and What to Leave out,” SAA Swedish Arbitration Day (September, 2018); “Witness Examination,” PCA Advocacy Training (August, 2018); “Climate Change Litigation,” QMUL Energy Forum on Climate Change (July, 2018); “Corporate Social Responsibility and Practical International Lawyering,” ABA Conference Paris (June, 2018); “Climate Technology,” Transnational Law Summit - Technology and Climate Justice Panel Discussion (April 2018); “The Idea of International Arbitration,” Danish Arbitration Institute (April 2018); “Energy Arbitrations: The Latest Trends,” CDR Arbitration Symposium (April, 2018); “New Frontiers in International Arbitration,” ICCA Congress (April, 2018); “Violations of EU Public Policy and Enforcement of Arbitral Awards” Oxford 60th NYC Anniversary (March, 2018); “Dispute Resolution in the Energy Sector, Climate Change Justice and Human Rights,” QMUL London - Dispute Resolution in the Energy Sector, Climate Change Justice and Human Rights (March, 2018); “Arbitration as a Market,” Cambridge Arbitration Day (March, 2018); “Evidence and Document Production in International Arbitration,” QMUL London - SIA Co-curricular Seminar (February, 2018); “Climate Change Arbitration,” Practical Law Podcast (February, 2018); “Investment Protection and Environmental Law,” Cambridge University Lecture (January, 2018); and “Supporting the UNFCC and the Paris Agreement Through International Disputes Settlement,” UNFCC Negotiations – COP23 (November, 2017).

Ms. Miles is a Vice President of the ICC Court of Arbitration and the ICC Commission on Arbitration and ADR. She co-chaired the Task Force on Costs Allocation in Arbitration and currently co-chairs the ICC Task Force on Climate Change Related Disputes. She also remains active on various other professional bodies including the IBA, Stockholm Arbitration Association and FIAA. She is also Co-Chair of the gender diversity initiative Equal Representation in Arbitration Pledge (www.arbitrationpledge.com).

Ms. Miles regularly teaches on arbitration and public international law related issues, including as a founding member of the Executive Committee for the Foundation for International Arbitration Advocacy.

Ms. Miles is admitted to practice in England & Wales, and New Zealand. She became Queen’s Counsel in 2015. As a QC, she is able to act as advocate at all levels of the UK courts.


  • University of Canterbury, B.A.
  • University of Canterbury, LL.B.
  • University of Canterbury, LL.M.

Bar Admissions

  • Solicitor, England & Wales