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 five ongoing investment-treaty arbitrations 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.


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
Investment treaty arbitration in practice: a counsel's perspective
School of Law, University of Nottingham, Notthingham, UK
The Mauritius Convention on Transparency Enters into Force
Investment Claims


  • 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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