Matthias Cazier-Darmois


Global Elite Thought Leader - Arbitration 2024
Thought Leader - Commercial Litigation 2024
Thought Leader - France 2023 Arbitration
Consulting 2023
Expert Information
Qualifications Post-graduate master’s in Finance
Industries Buildings, Mining and Metals, Oil and Gas, Power and Utilities, Real Estate and Tourism, Technology, Media and Telecoms, Transportation Infrastructure
Regional Experience Africa, Americas, Asia, Europe, Middle East
Expert Highlights
  • Experienced in a wide range of industries including telecoms, energy, and mining.
  • Assessed damages from breaches of contracts or violations of international treaties in over 100 arbitration and litigation cases.
  • Proven track record of delivering robust evidence under cross-examination.
  • Testified in over 20 arbitrations proceedings with values ranging from EUR$5m to several billions.
  • Recognised as a Thought Leader in Arbitration by Who’s Who Legal.
  • Bilingual in English and French.

Matthias Cazier-Darmois is a damages expert with 20 years of experience. He has been appointed as an expert on more than 25 occasions.

“He has established a robust reputation as an expert witness in international arbitration” “Matthias is a tremendously smart and hard-working expert” “A leading figure in the field here in France”

WWL Global Elite Thought Leader – Arbitration Expert Witnesses 2024

Matthias has testified on more than 20 occasions in several investor-state and commercial arbitration proceedings (under CIRDI, UNCITRAL, CCI, LCIA, SCC, CEPANI rules, or in ad-hoc arbitrations). He has acted as expert witness in many high-stake investment and commercial arbitrations, in a wide range of industries, including mining, energy, power, and telecoms.

Matthias has worked in London and Paris in various dispute and forensic teams. His non-contentious engagements include acquisition due diligence, valuations in the context of fairness opinions or transactions, and corporate fraud investigations.

Matthias’ expertise includes damages assessment, as may arise from breaches of contracts or international treaties. He supports clients in complex commercial disputes and international arbitrations providing expert evidence and valuations advice.

Matthias delivers lectures on damages related issues in several French Universities and regularly speaks at conferences on damages related topics. He is recognized as thought leader in arbitration by Who’s Who Legal and as a global leader in quantum of damages since 2016.

Matthias Cazier-Darmois is an “extremely professional and dedicated” individual who is “attentive to client needs” and “works in a friendly manner”.

Contact Matthias
Location: Paris, France

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