Jessica Wells

Jessica regularly sits as arbitrator and has extensive knowledge of all the major institutional rules with an in-depth knowledge of investment treaty disputes.

Jessica Wells has a broad commercial and international practice as Counsel, with a particular interest in public international law, public law, shipping law and international commercial arbitration.  In 2017, she was appointed to the Attorney General’s “A Panel” of Public International Law Counsel.

Jessica is experienced in both advisory work and litigation before the domestic courts (including the Supreme Court, Court of Appeal and the High Court) and international tribunals (including the ICJ,  ICSID, ICC, LCIA and LMAA).



Jessica has acted and advised in arbitrations across a wide range of jurisdictions, including Hong Kong, Singapore and the Dubai International Financial Centre. She has experience of a wide range of institutional rules, including ICC, ICSID, LCIA, LMAA and UNCITRAL. Recent instructions include:

  • Representing the respondent state in a billion dollar investment dispute under UNCITRAL rules;
  • Acting and advising in an arbitration involving claims of breach of trust, fiduciary duty and contract in the context of the sale and supply of oil;
  • Acting and advising in a challenge to an LMAA arbitral award under 68 of the Arbitration Act, on the grounds that the tribunal had failed in their duty to act fairly and impartially and failed to consider all the issues which were put to it.