UAA Authorities
General Meeting of Members of Association
The General Meeting of the members of the Association is the supreme governing body of the Association and is entitled to resolve any issues related to the activities of the Association.
Board
The Board is a permanent governing body of the Association consisting of at least three but not more than nine members. It takes decisions on all matters not referred to the reserved matters of the General Meeting and the President.
President
The President governs the activities of the Association. He/She is elected by the General Meeting for a term of four years and is the highest official of the Association. The President may elect deputies (vice-presidents) among the members of the Board in order to improve efficiency of the management of the Association.
Serhii Uvarov – Partner of the Cross-Border Litigation Practice at INTEGRITES International Law Firm
Secretary General
Maslov Oleksii – A partner with AVELLUM’s dispute resolution practice. Oleksii focuses on international commercial and investment arbitration as well as cross-border litigation. He represents clients in arbitrations under the LCIA, ICC, SCC, ICAC (Ukraine), FOSFA, UNCITRAL, and ICSID Rules. Oleksii is also a member of the ICC Commission on Arbitration and ADR. He is recognised by various rankings (Chambers, WWL (Lexology), ULF) as one of the leading arbitration lawyers in Ukraine.
The Board of the Association includes:
Droug Olexander - Partner at Sayenko Kharenko Newlaw Firm. Olexander specialises in dispute resolution and restructuring with a focus on international arbitration and cross-border commercial litigation. His experience includes advising local and foreign clients at all stages of complex multi-jurisdictional proceedings involving the BVI, Cyprus, the Netherlands, Switzerland, Ukraine, the UK, and other fora, as well as commercial and investment arbitration under the arbitration rules of all major international arbitration institutions (LCIA, ICC, SCC), CIS-based arbitration institutions, ICSID Arbitration Rules and UNCITRAL Arbitration Rules.
Anna Guillard-Sazhko - an independent arbitrator and counsel based in Paris. With a distinguished career spanning over fifteen years, she has gained significant experience in international investment and commercial arbitrations under various arbitration rules, including ad hoc, ICC, ICSID, ISTAC, UNCITRAL and SCC. Anna also regularly serves as sole arbitrator, co-arbitrator, and presiding arbitrator.
She is a co-founder and co-president of the Turkish Arbitration Association, a member of the VIAC Legal Tech Think Tank, an executive committee member, and the coordinator of the Young ISTAC mentoring program. Additionally, she is the ICC YAAF representative for Europe and Central Asia.
Anna has been featured in Who’s Who Legal’s Arbitration lists for 2021, 2022, 2023, and 2025 as a “Future Leader” and was also named the winner of Lexology’s Client Choice Award 2021 for Arbitration in France.
Krystyna Khripkova - Ukrainian-qualified attorney and counsel at INTEGRITES. Her experience spans a diverse range of commercial and investment disputes in international arbitration (under ICC, LCIA, SCC, DIS, VIAC, Swiss Rules, GAFTA, FOSFA, UNCITRAL and ICAC at the UCCI rules and in ICSID seated in common and civil law jurisdictions involving the laws of jurisdictions in Europe and Asia) and state courts as well as in cross-border commercial litigation. She regularly acts in high-profile, complex cases, representing both corporate and sovereign clients and high net-worth individuals, and serves as an expert. Her cases have included disputes concerning banking and finance services, and projects related to energy, including renewables, international trade, transport, and military defense. Krystyna is a Member of the Committee on Alternative Dispute Resolution at the UNBA.
Olga Kostyshyna
Kostytska Maria - Partner at WINSTON & STRAWN LLP, Paris. Maria Kostytska is an international arbitrator and litigator, and is admitted to the bars of Washington DC, New York and Paris. She serves as arbitrator and acts as lead counsel representing clients in investor-state and commercial arbitrations under the ICSID, UNCITRAL, ICC, LCIA, and other rules. Her arbitration and litigation experience spans over a variety of industrial sectors, including oil and gas, renewable energy, utilities, infrastructure, banking, aviation and manufacturing, and construction.
Malskyy Markian – PhD hab., attorney-at-law, MCIArb, specializes in dispute resolution, mainly in international commercial and investment arbitration. Since 2008, he is with Arzinger law firm, where he became partner in 2012 and is co-chairing international dispute resolution practice. He has vast experience in resolving corporate disputes in the energy sector, contractual disputes, sales and services, real estate & construction disputes, enforcement of foreign judgments and arbitral awards, real estate and M&A transactions. Mr. Malskyy is an often speaker at international conferences, author of 4 books and numerous articles on despute resolution. Fluent in English, German, Polish, Russian and Ukrainian languages.
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Maslov Oleksii – A partner with AVELLUM’s dispute resolution practice. Oleksii focuses on international commercial and investment arbitration as well as cross-border litigation. He represents clients in arbitrations under the LCIA, ICC, SCC, ICAC (Ukraine), FOSFA, UNCITRAL, and ICSID Rules. Oleksii is also a member of the ICC Commission on Arbitration and ADR. He is recognised by various rankings (Chambers, WWL (Lexology), ULF) as one of the leading arbitration lawyers in Ukraine.
Оlena Perepelynska - a Partner and Head of Arbitration at INTEGRITES law firm in Kyiv, Ukraine.
Over 20 years of her arbitration carrier she has participated in 200+ arbitrations related mainly to the CEE or Central Asia regions as an arbitrator, counsel, legal expert. She also performed administrative functions in various arbitral institutions, including ICC Court (2018-2024) and TIAC Court (2019-2022).
Olena serves as Co-Chair of the Eastern Europe Group of the IBA Arbitration Committee, Chair of ADR committee of the Ukrainian National Bar Association, UAA Board Member, TAA Board Member, ArbCEE Board Member, Member of the Global Steering Committee of the ERA-PLEDGE, Fellow of the Chartered Institute of Arbitrators. She served as UAA President in 2016-2024.
Inspector
Inspector shall exercise control over the financial activities of the Association.