Bart Wasiak's practice focuses on representing sovereign States and private-sector clients in international arbitration proceedings. To date, Mr. Wasiak has served as counsel in more than 15 investment-treaty arbitrations under the ICSID and UNCITRAL arbitration rules, as well as ad hoc arbitrations. He has advised clients in relation to a broad range of disputes, including in the energy, banking, mining and shipping sectors.


  • Representing the Kingdom of Thailand in an ongoing UNCITRAL Rules arbitration relating to the mining sector.
  • Representing the Czech Republic in an ongoing investment-treaty arbitration relating to the renewable energy sector.
  • Representing the Republic of Korea in an ongoing ICSID arbitration relating to bank regulation and taxation matters.
  • Representing the Czech Republic in an ongoing ad hoc arbitration under the Switzerland-Czech Republic Bilateral Investment Treaty.
  • Representing the Republic of Bulgaria in an ongoing ICSID arbitration relating to electricity sectors.


What Impact Will Brexit Have On Public International Law In The UK?
Kluwer Arbitration Blog
Public International Law in the UK, Post-Brexit
Corruption After Establishment: Should it Disqualify Otherwise Meritorious Claims?
Thirteenth Annual Investment Treaty Arbitration Conference, Washington, DC
Parallel Proceedings and Consolidation of Related Arbitrations
Tour de Arbitration conference, Paris
KPMG Session on Quantum
8th Investment Treaty Arbitration Conference, Prague, Czech Republic


The Legal 500 UK
Public International Law (2021)


  • Legal Practice Course, BPP Law School
  • LLB, University of Nottingham and University of Texas
  • England and Wales
  • New York
  • International Academy for Arbitration Law (Certificate)
  • Foundation for International Arbitration Advocacy (Certificate)
  • Polish

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