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Clifford Chance

Clifford Chance
Marie Berard

Marie Berard


Marie Berard

Marie Berard is a Partner within the International Commercial Arbitration Group.

With over 18 years' experience, Marie acts as counsel for multinational corporations and individuals on a wide range of international arbitration proceedings pursuant to the major institutional rules (including LCIA, ICC) as well as ad-hoc arbitrations under UNCITRAL Rules.

Marie's work spans many economic sectors, with particular emphasis on the energy, oil & gas, construction and finance sectors.

Marie also sits as a sole arbitrator, panel member and chair. She is the Vice President of the LCIA European Users' Council and a member of the ICC UK Arbitration and ADR Committee, and ICC UK Selection Subcommittee.

Marie has been recognised as a Future Leader by Who’s Who Legal Arbitration in its 2019 publication and featured in the 2019 Legal 500 International Arbitration Powerlist UK.

Marie regularly speaks on international arbitration at conferences and seminars and delivers guest lectures at Universities.

Marie coordinates the firm's pro bono partnership with the National Autistic Society, and has acted as advocate before the First-tier Tribunal (Special Educational Needs and Disability) representing parents of children on the autistic spectrum. She has also represented the NAS in third party interventions before the Supreme Court.

  • Representing a high net worth individual in a shareholder dispute with a Russian oligarch concerning a joint venture holding valuable real estate in Moscow in hard-fought LCIA London arbitration proceedings for unfair prejudice; successfully resisting English Court challenges against the arbitration award under s. 67 (jurisdiction) and s.68 (serious irregularity) of the 1996 Arbitration Act; and defeating a related claim in the English High Court funded by the Russian oligarch, claiming an interest in the JV and a share of assets
  • Representing a consortium of French, Moroccan and Japanese power
    companies in a London ICC arbitration against a multinational conglomerate relating to a coalfired power plant EPC construction project in Morocco
  • Representing an international engineering and construction company in a Zurich ICC arbitration against a subcontractor in connection with a power process plant in Saudi Arabia
  • Representing one of the world's largest global banking groups in a London LCIA arbitration (and parallel proceedings in Moscow and anti-suit proceedings in London) in connection with a guarantee against a Russian company

News and client work

View all news and client work featuring Marie Berard

Contact details

Career and qualifications

  • Université de Paris I La Sorbonne (Maîtrise en Droit Privé, Mention Très Bien) 1998
  • King's College London (LLB) 1998
  • Admitted as a solicitor in England & Wales 2002
  • Joined Clifford Chance 2000
  • Partner since 2012

Professional bodies

  • Member of LCIA
  • ICC
  • ICC UK Task Force Arbitration and Financial Institutions
  • ICC UK Arbitration & ADR Committee
  • International Arbitration Institute
  • Arbitral Women

Awards and citations

  • "Marie will make extremely well thought out and logical decisions. She is a leader, a fantastic decision maker and calm under severe pressure."
    Chambers & Partners UK 2021
  • "Marie Berard is super cool-headed and incredibly efficient. She regularly handles commercial arbitrations on behalf of energy and construction companies, among others".
    International Arbitration: UK-wide: Commercial Arbitration: Chambers UK 2020
  • "Marie Berard is an incredibly bright and very intellectual practitioner who stands out for her calm approach to complex international commercial arbitration disputes".
    Who's Who Legal Arbitration 2019
  • “Market sources are impressed with her client-handling skills and her ‘ability to absorb vast amounts of detail while not losing sight of the key issues in a case.’ ”
    International Arbitration: UK-wide: Commercial Arbitration: Chambers UK 2018
  • “Marie Berard ‘comes warmly recommended’ from clients, who praise her as ‘fantastic – she works very hard, does excellent work and has a calm approach.’ ”
    Who’s Who Legal: Future Leaders - Arbitration 2017