Olena Perepelynska with long brown hair, wearing glasses and a black blazer over a mauve top, against a black background.

for cross-border disputes

International
Arbitrator

Dr. Olena Perepelynska acts as an arbitrator in complex cross-border disputes involving Eastern Europe, Central Asia and Spanish-speaking jurisdictions. She brings a structured, commercially grounded approach, combining analytical rigour with procedural fairness.

Olena Perepelynska with long brown hair, wearing glasses and a black blazer over a mauve top, against a black background.

More than 20 years in international arbitration across 230+ cases as arbitrator and counsel in proceedings under ICC, LCIA, SCC, ICAC, UNCITRAL and other rules.

Trusted by leading institutions

120

+

Cases as Arbitrator

Experience as sole arbitrator, co-arbitrator, and presiding arbitrator.

120

Languages spoken

Ukrainian, Russian, English, Spanish, German, French

120

+

Years of experience

Deep expertise in international legal practice as arbitrator and counsel

Practice grounded in business reality

More than 250 arbitrations as arbitrator and counsel provide a dual perspective on party expectations, case strategy and procedural efficiency. Decisions are grounded in both legal analysis and industry-specific commercial context.

Abstract world map shape compose of dots

Regional expertise where it matters

Regular appointments in disputes connected to Ukraine, Central and Eastern Europe, Central Asia and Spanish-speaking jurisdictions, with close understanding of local business practices and legal systems.

Abstract circles shapes

Specialized industry expertise

Sector experience in construction and infrastructure, energy, agriculture and commodities, financial services, defense and aerospace, international trade and corporate/M&A disputes.

Abstract geometric shapes

Representative case experience

Representative matters include contract, joint venture and shareholder disputes, post-M&A claims and investment treaty disputes.

Abstract geometric shapes

Regional expertise where it matters

Regular appointments in disputes connected to Ukraine, Central and Eastern Europe, Central Asia and Spanish-speaking jurisdictions, with close understanding of local business practices and legal systems.

Broad experience

Broad experience ACROSS tribunal roles

01

More than 130 appointments as sole arbitrator, co-arbitrator and presiding arbitrator in commercial and investment disputes, under ICC, LCIA, SCC, ICAC, UNCITRAL and other arbitration rules.

Proficient in leading arbitration frameworks

02

Regular appointments in cases conducted under ICC, LCIA, SCC, ICAC, UNCITRAL Rules and Rules of regional institutions. Her experience as a former ICC Court Member (2018–2024) brings valuable insight into efficient case management and institutional expectations.

Experience in key European and Central Asian seats

03

Experience in arbitrations seated in Paris, London, Geneva, Vienna, Stockholm, Kyiv, Almaty, Bishkek, Montreal and other cities.

Recognised in leading arbitration rankings

Selected in independent rankings and directories for work in international arbitration.

2025

Legal500 EMEA

Leading Individual – Dispute Resolution

“As team lead, Olena Perepelynska's international arbitration practice spans multiple jurisdictions, and she demonstrates particular prowess in commercial and investment treaty arbitrations”

2026

Chambers Global/Europe: Band 1

Dispute Resolution: International in Ukraine

“Head of international arbitration Olena Perepelynska is a market-leading international arbitration practitioner. She is also well regarded for her experience in cross-border litigation”

2026

Chambers Global/Europe: Band 1

Dispute Resolution: International in Ukraine

“Olena Perepelynska deeply understands all details of procedural issues and is able to describe the full matter and realistic probability of our result”

2026

Chambers Global/Europe: Band 1

Dispute Resolution: International in Ukraine

“Olena Perepelynska is a person of strong integrity, a disciplined arbitrator and an experienced arbitration practitioner who is well-versed in the latest developments in the field”

2023

GAR 45 under 45

Global Arbitration Review

Olena Perepelynska became the first lawyer in the CEE and FSU regions to have received recognition of that kind.

2025

Lexology Index

Thought Leaders – Arbitration

2026

Lexology Index

Arbitration

2025

Lexology Index

Thought Leaders – Transport: Aviation Contentious

2025

Legal500

Arbitration Powerlist: CEE

Thought leadership in arbitration

Author of more than 150 publications and frequent speaker at international conferences, covering a broad range of topics in international arbitration.

Guide

Take a Seat! A Guide to arbitration seats in Central and Eastern Europe (Ukraine's Chapter)

Co-authored guide to arbitration seats across the CEE region. Arbitration Association of Central and Eastern Europe, 2025.

Article

BITs and the War: New Issues and New Challenges

Analysis of bilateral investment treaty arbitration raising new issues and challenges in wartime contexts. The American Review of International Arbitration, Vol. 34, No. 2, April 2024.

Article

Особливості захисту корпоративних прав у міжнародному арбітражі: досвід Німеччини

The article provides a comprehensive analysis of the German experience of resolving corporate disputes through international commercial arbitration and of the opportunities to draw on it for improving Ukrainian legislation.

Guide

Ukraine. Arbitration Law Guide

The chapter co-authored by Olena Perepelynska, Krystyna Khripkova and Nadiya Mykiyevych explores key aspects of Ukraine’s arbitration landscape. Law Over Borders Comparative Guide to Arbitration, 2026.

Core arbitration values

Each appointment is approached with the same commitments, regardless of parties or amounts in dispute.

Integrity

01

Ethical commitment and transparency in every arbitration. Maintaining confidentiality and trust throughout dispute resolution processes.

Procedural Fairness

02

Equal opportunity for every party to be heard. Strict adherence to due process, from first submission to final award.

Commercial Knowledge

03

A clear understanding of the business realities behind every dispute. Practical judgment that keeps awards grounded in commercial context.

Considering a neutral arbitrator?

Review my experience and case library, or contact me directly regarding potential appointments.

Recent activities and news

Conferences

Italian Arbitration Day 2026

On the panel "What Remedies?" we focused on issues related to hardship, force majeure, and the effects of governing law on contracts, discussing these important topics in the context of our experiences from Ukraine, the Middle East, Latin America.

Publication

Ukraine chapter in the Law Over Borders Comparative Guide to Arbitration

Delighted to share the publication of the Ukraine chapter in the Law Over Borders Comparative Guide to Arbitration published by The Global Legal Post.

Courses

SCC/SAA Diploma Course for International Arbitrators 2026

Attended the SCC/SAA Diploma Course for International Arbitrators 2026 at Thoresta Herrgård.

Podcast

UA-Klar podcast series in Lillehammer

Discussed investment legal frameworks and dispute resolution in Ukraine.

Rankings

Women in Business Law EMEA Awards

Dr. Olena Perepelynska is shortlisted for “Lawyer of the Year” in Commercial Arbitration at the Women in Business Law EMEA Awards.