Olesia Gontar specialises in dispute resolution proceedings including domestic and cross-border litigation, international commercial and investment arbitration.

She advises international and domestic clients on a broad spectrum of matters at all stages of dispute resolution, from advising on drafting dispute resolution provisions in contracts and amicable resolution of disputes to recognition and enforcement of arbitral awards and court judgments.

Olesia has significant experience representing clients in arbitration proceedings under the arbitration rules of various arbitration institutions. These include the London Court of International Arbitration (LCIA), the Arbitration Institute of the Stockholm Chamber of Commerce (SCC), the International Court of Arbitration of the International Chamber of Commerce (ICC), the Grain and Feed Trade Association (GAFTA), the International Commercial Arbitration Court at the Ukrainian Chamber of Commerce and Industry (ICAC at the UCCI), and the Netherlands Arbitration Institution (NAI).

Her experience includes representation of clients in various cross-border litigation proceedings.

In addition, Olesia is one of the drafters of the expedited Arbitration Rules under the Law of Ukraine on Financial Restructuring.

Olesia also has substantial background in M&A and corporate matters, including advising clients on corporate restructurings, setting up joint ventures and corporate governance.


  • LL.M., summa cum laude, from Taras Shevchenko National University of Kyiv, Law School

Professional membership and involvement

  • Ukrainian Bar Association
  • Ukrainian Arbitration Association
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