LAWYER PROFILE
Oleksii Maslov

Oleksii Maslov

Europe 2026

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Ranked in 1 practice area

About

Provided by Avellum

Practice Areas

Oleksii Maslov is a Partner with AVELLUM’s dispute resolution practice and Head of International Arbitration practice. Oleksii focuses on international commercial and investment arbitration, cross-border litigation, mediation, as well as complex negotiations. Oleksii has strong background in M&A transactions and corporate law.

Oleksii regularly advises and represents international and Ukrainian clients in high-profile arbitrations under the Rules of the ICC, LCIA, SCC, ICSID, UNCITRAL, FOSFA, and ICAC at the Ukrainian Chamber of Commerce and Industry. He also advises clients on complex cross-border litigations, involving such jurisdictions as Cyprus, the BVI, the UK and Ukraine. His recent experience includes representing Ukraine in two investment arbitrations with over USD 7 billion in dispute and representing major Ukrainian agricultural producer in a complex LCIA arbitration with parallel court proceedings in Cyprus and Ukraine.

Oleksii is on the Board of the Ukrainian Arbitration Association. He actively contributes to the development of arbitration in Ukraine by participating in amicus curiae briefs for Ukrainian courts, working on bills to improve arbitration climate, and giving lectures to Ukrainian law students.

Professional Memberships

Member of the Chartered Institute of Arbitrators (MCIArb) from 2020

Member of the Ukrainian Bar Association

Secretary General and Member of the Board of the Ukrainian Arbitration Association

Member of the ICC Ukraine

Delegate to the ICC Commission on Arbitration and ADR, 2024-2027

Personal

Master of International Law degree (with honors), 2016, the Institute of International Relations of Taras Shevchenko Kyiv National University

Admitted to the Ukrainian Bar from 2021

Chambers Review

Provided by Chambers

Chambers European Guide

Dispute Resolution: International - Ukraine

Band 4
Band 4

Individual Editorial
Oleksii Maslov assists with a range of international arbitration and cross-border litigation matters.

Strengths

Provided by Chambers

  • Oleksii Maslov is a very talented and bright lawyer.

    Dispute Resolution: InternationalChambers European Guide
  • Oleksii Maslov can respond very quickly and provide in-depth and inspiring solutions with guaranteed professionalism. He analyses legal matters comprehensively and in detail.

    Dispute Resolution: InternationalChambers European Guide

Ranked Individuals at Avellum (10)

Ukraine

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