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Band 2
Provided by Olexander Droug
Olexander specialises in international arbitration and cross-border commercial litigation and restructuring. 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. Mr Droug also advises clients on obtaining and implementing interim relief, including in support of arbitration proceedings and litigation, as well as on recognition and enforcement in Ukraine of arbitration awards and foreign court judgements.
Mr Droug has represented clients in proceedings relating to banking, financial services, securities, M&A, shareholders, trade, telecommunication, construction, energy, aviation, product liability, and sports-related disputes. He also has significant experience representing both lenders and borrowers in financial restructuring and related disputes. In March 2017, Olexander was added to the list of arbitrators elected to settle disputes arising in financial restructuring procedures.
Mr Droug regularly contributes to key legislation in the areas of arbitration, litigation and restructuring.
Turnaround Management Association
Board Member of Ukrainian Arbitration Association
Ukrainian Bar Association, member of Committee on ADR
American Chamber of Commerce in Ukraine
European Business Association
International Bar Association
English, Ukrainian
LL.M. from the Institute of International Relations at the Taras Shevchenko National University of Kyiv
Recommended in Dispute Resolution by The Legal 500, 2025, Chambers Global 2026 and Chambers Europe 2025, Benchmark Litigation 2025
Recognised in arbitration by Lexology Index: Thought Leaders - Arbitration 2026 and Commercial Litigation 2025
Recognised among the leading individuals in International Arbitration and among notable practitioners in Cross-border Litigation by Ukrainian Law Firms 2025
Shortlisted for the CENTRAL & EASTERN EUROPE LITIGATOR OF THE YEAR nomination by Benchmark Litigation Europe Awards 2025
ICSID Tribunal Discontinues USD 947 Million Investor-State Claim Against Ukraine in Gilward v. Ukraine
Assisted Ukraine in defending a challenge in a Swedish court against a favourable USD 6 billion ECT award and securing a USD 18.9 million cost decision
Secured a victory for a Swiss digital asset company in a USD 42 million SCC arbitration
Secured a win for a leading German bank in the recognition and enforcement in Ukraine of a multi-million ICC arbitral award
Provided by Chambers
Provided by Chambers
I can only say good things about Olexander Droug.
A brilliant legal mind in Ukrainian litigation, Olexander is exceptionally hardworking and deeply knowledgeable. I would also like to highlight his sharp sense of humour and unwavering integrity.
Olexander Droug is diplomatic and clever.
I can only say good things about Olexander Droug.
A brilliant legal mind in Ukrainian litigation, Olexander is exceptionally hardworking and deeply knowledgeable. I would also like to highlight his sharp sense of humour and unwavering integrity.
Olexander Droug is diplomatic and clever.
10 items provided by Sayenko Kharenko
ICSID Tribunal Discontinues USD 947 Million Investor-State Claim Against Ukraine
Sayenko Kharenko is pleased to share a favourable outcome for Ukraine in the ICSID arbitration Gilward Investments B.V. v. Ukraine (ICSID Case No. ARB/15/17), where our team acted as legal counsel to the State of Ukraine working alongside the Ministry of Justice of Ukraine and Latham & Watkins LLP.
Sayenko Kharenko assists Ukraine in defending a challenge in a Swedish court
Sayenko Kharenko, acting as Ukrainian counsel, successfully represented Ukraine at the Svea Court of Appeal in a case concerning a setting aside challenge of a USD 6 billion Energy Charter Treaty (ECT) award.
Sayenko Kharenko successfully represented MHP Food Trading LLC in arbitration proceedings
Sayenko Kharenko successfully represented MHP Food Trading LLC, UAE based subsidiary of MHP Group, as a seller, in arbitration proceedings under the FOSFA Rules of Arbitration and Appeal against a buyer based in Hong Kong.
Sayenko Kharenko assisted EBRD in preparation of EBRD Business Reorganisation Assessment
Sayenko Kharenko has contributed to the European Bank for Reconstruction and Development (EBRD) Business Reorganisation Report, an interactive assessment providing a cross-jurisdiction analysis of business reorganisation tools available in 40 jurisdictions.
Sayenko Kharenko advises EBRD on development of the online court in Ukraine
The European Bank for Reconstruction and Development (EBRD) has recently launched a project to assist Ukraine in its development of an online court. Sayenko Kharenko has been selected by the EBRD to advise on the relevant Ukrainian law aspects.
Sayenko Kharenko acted as a Ukrainian law expert for the Allard Pierson Museum
The team of Sayenko Kharenko prepared an expert report on Ukrainian law for the Allard Pierson Museum in the “Scythian Gold” case.
Sayenko Kharenko advises ad hoc committee of bondholders on USD 2 billion debt restructuring by DTEK
Sayenko Kharenko has acted as Ukrainian legal counsel to an ad hoc committee of bondholders in connection with USD 2 billion debt restructuring by DTEK, the largest private energy company in Ukraine.
Sayenko Kharenko helps Ukraine to win its largest investment arbitration case
The State of Ukraine has defeated the Energy Charter Treaty claim by the minority shareholders of PJSC Ukrnafta (Ukrnafta), one of Ukraine’s largest oil and gas producers.
Sayenko Kharenko has successfully defended the interests of MHP
The international arbitration team of Sayenko Kharenko has successfully represented the leading Ukrainian agricultural holding PJSC “MHP”.
Sayenko Kharenko advised the EBRD on the derivatives and corporate bonds reforms
On 19 June 2020, the Parliament of Ukraine adopted the law “On Amendments to Certain Legal Acts to Facilitate Attraction of Investments and to Introduce New Financial Instruments” (the “Capital Markets Law”), which generally takes effect from 1 July 2021.
ICSID Tribunal Discontinues USD 947 Million Investor-State Claim Against Ukraine
Sayenko Kharenko is pleased to share a favourable outcome for Ukraine in the ICSID arbitration Gilward Investments B.V. v. Ukraine (ICSID Case No. ARB/15/17), where our team acted as legal counsel to the State of Ukraine working alongside the Ministry of Justice of Ukraine and Latham & Watkins LLP.
Sayenko Kharenko assists Ukraine in defending a challenge in a Swedish court
Sayenko Kharenko, acting as Ukrainian counsel, successfully represented Ukraine at the Svea Court of Appeal in a case concerning a setting aside challenge of a USD 6 billion Energy Charter Treaty (ECT) award.
Sayenko Kharenko successfully represented MHP Food Trading LLC in arbitration proceedings
Sayenko Kharenko successfully represented MHP Food Trading LLC, UAE based subsidiary of MHP Group, as a seller, in arbitration proceedings under the FOSFA Rules of Arbitration and Appeal against a buyer based in Hong Kong.
Sayenko Kharenko assisted EBRD in preparation of EBRD Business Reorganisation Assessment
Sayenko Kharenko has contributed to the European Bank for Reconstruction and Development (EBRD) Business Reorganisation Report, an interactive assessment providing a cross-jurisdiction analysis of business reorganisation tools available in 40 jurisdictions.
Sayenko Kharenko advises EBRD on development of the online court in Ukraine
The European Bank for Reconstruction and Development (EBRD) has recently launched a project to assist Ukraine in its development of an online court. Sayenko Kharenko has been selected by the EBRD to advise on the relevant Ukrainian law aspects.
Sayenko Kharenko acted as a Ukrainian law expert for the Allard Pierson Museum
The team of Sayenko Kharenko prepared an expert report on Ukrainian law for the Allard Pierson Museum in the “Scythian Gold” case.
Sayenko Kharenko advises ad hoc committee of bondholders on USD 2 billion debt restructuring by DTEK
Sayenko Kharenko has acted as Ukrainian legal counsel to an ad hoc committee of bondholders in connection with USD 2 billion debt restructuring by DTEK, the largest private energy company in Ukraine.
Sayenko Kharenko helps Ukraine to win its largest investment arbitration case
The State of Ukraine has defeated the Energy Charter Treaty claim by the minority shareholders of PJSC Ukrnafta (Ukrnafta), one of Ukraine’s largest oil and gas producers.
Sayenko Kharenko has successfully defended the interests of MHP
The international arbitration team of Sayenko Kharenko has successfully represented the leading Ukrainian agricultural holding PJSC “MHP”.
Sayenko Kharenko advised the EBRD on the derivatives and corporate bonds reforms
On 19 June 2020, the Parliament of Ukraine adopted the law “On Amendments to Certain Legal Acts to Facilitate Attraction of Investments and to Introduce New Financial Instruments” (the “Capital Markets Law”), which generally takes effect from 1 July 2021.
Provided by Sayenko Kharenko
Energy and Utilities
Transport
Government and Public Sector
Financial Services
Technology, Media and Telecoms (TMT)