Oleksandr Frolov is a Partner and the head of the Dispute Resolution service line in the Kyiv office.

Oleksandr brings over 15 years of experience advising multinational companies, governments, state-owned enterprises, management and supervisory boards, and various public institutions. He has acted in high-value international arbitrations, as well as cross-border and domestic litigations before forums across Europe, the Middle East, and the United States.

His work spans a broad range of sectors, including banking, international trade and foreign direct investment, oil and gas, and privatisation.

In addition to dispute resolution, Oleksandr regularly advises on commercial matters in areas such as defence, technology, cryptocurrency, fintech, insurance and reinsurance, often on issues that may later become contentious. He also provides guidance on issues related to sanctions, white-collar crime, fraud prevention and investigation, combating money laundering, bribery, and other matters involving harm or damages.

Oleksandr Frolov is responsive, delivers on time and is an absolute team player.

As a highly skilled and dedicated lawyer, Oleksandr Frolov consistently demonstrates exceptional expertise in international arbitration and cross-border litigation. His professional approach and deep understanding of complex legal issues make him an invaluable asset to any client. Oleksandr is known for his client-oriented service, always ensuring that the needs and concerns of his clients are addressed with the utmost care and attention.

Chambers Global, 2026 / Legal 500, 2025

RECENT ENGAGEMENTS INCLUDE ADVISING*

DISPUTE RESOLUTION

• IN FIVE INVESTMENT TREATY ARBITRATIONS, with the most recent appointments by the State of Ukraine being Misen Energy AB (publ) v. Ukraine (ICSID Case No. ARB/21/15) and ABH Holdings S.A. v. Ukraine (ICSID Case No. ARB/24/1)
• A UKRAINIAN DEFENSE CONTRACTOR in a series of arbitration proceedings against a UK-based supplier that failed to deliver goods
• A GLOBAL COMMODITY TRADER in a dispute arising out of a contract for the delivery of sunflower oil that was not fulfilled due to Russia’s full-scale invasion of Ukraine in 2022
• A GLOBAL REINSURANCE COMPANY in an insurance market arbitration arising from a fraudulent reinsurance claim in Ukraine
• PRIVATBANK JSC in proceedings involving the former owners pending before the U.S., Israeli, English, and Cypriot courts
• A DUTCH HOLDING COMPANY owning significant retail space in Ukraine in expedited injunction proceedings before the Dutch courts
• A GLOBAL COMMODITY TRADER in proceedings before the English courts in a dispute arising from non-payment for commodities received by the buyer
• AN INTERNATIONAL METAL AND STEEL TRADER in a complicated network of proceedings, across all levels of the Ukrainian commercial courts, including bankruptcy, contesting validity of contracts, challenging transactions aimed at siphoning off assets, etc.
• PRIVATBANK UKRAINE aiming to have some findings established for further use in other pending proceedings before the U.S. and Israeli courts
• A LEADING DRILLING AND EXPLORATION COMPANY in a claim against the State Service of Geology and Subsoil of Ukraine, regarding of the unlawful rejection of the client’s bid for two special permits for the geological exploration of oil and gas subsoil

*Experience prior to joining Kinstellar.

EDUCATION

• 2014: London School of Economics and Political Science, UK, Master of Laws (with merit)
• 2013: Taras Shevchenko National University of Kyiv, Ukraine, Faculty of Law, Master's degree (with distinction)
• 2011: Taras Shevchenko National University of Kyiv, Ukraine, Faculty of Law, Bachelor's degree (with distinction)

PROFESSIONAL AFFILIATION

Ukrainian Bar Association

LANGUAGES

English, Ukrainian, Russian