Irina Tymczyszyn

Irina Tymczyszyn is an English Solicitor-Advocate and a well-known international arbitration specialist. Over the last 20 years, Irina has acted as counsel and arbitrator in multiple international commercial arbitration proceedings seated around the world. She has considerable experience in multi-jurisdictional cross-border disputes specialising in investment and post-M&A disputes, shareholders’ disputes, commodity trading, construction, energy and natural resources disputes. Ms. Tymczyszyn was born in Ukraine and having obtained university degrees in modern languages, political science and economics in Ukraine and UK, she successfully pursued a legal career in the City of London, qualifying as an English solicitor in 2001 and becoming a partner of a global US law firm in 2011. Irina Tymczyszyn retired from the partnership of a leading global law firm in February 2019 firm and set up Tymczyszyn Arbitration to focus on her career as a full-time international arbitrator in a conflict-free environment. Ms. Tymczyszyn received her first appointment as arbitrator in 2007 and to date has sat on arbitral panels in a number of international commercial arbitrations under the ICC Rules, LCIA Rules and the SCC Rules. Irina Tymczyszyn is fluent in English, Ukrainian and Russian, has working knowledge of German, and speaks basic French and Polish. Ms. Tymczyszyn is a published writer and a regular speaker on international arbitration, English contract law and legal career development. She conducts legal masterclasses and seminars for practitioners and in-house lawyers in English, Russian and Ukrainian. Irina Tymczyszyn is listed in the 2019 edition of "Who's Who Legal: Arbitration".
Contributed to


Capacity of parties to enter into arbitration agreements
Practice Note

This Practice Note considers the legal capacity (or incapacity) of parties to enter into arbitration agreements and to participate in arbitration proceedings. The Practice Note covers the consequences of incapacity, applicable law to determine capacity (with English and Swiss law by way of example), a state’s capacity under public international law and the impact of insolvency on capacity. The Practice Note also gives guidance on capacity issues to consider when entering into an arbitration agreement. It also links to content on the authority of signatories to contracts.

Practice areas


  • London Court of International Arbitration (LCIA)
  • Law Society of England and Wales
  • International Bar Association (IBA)
  • Swiss Arbitration Association (ASA)


  • Specialist Panel


  • Bachelor of Arts in Social Sciences (National University of Kyiv-Mohyla Academy, Ukraine 1996)
  • Combined Bachelor/Master of Arts in Russian and English Languages (National Pedagogical Drahomanov U
  • Master of Arts in Economic and Social Studies (University of Manchester 1996)
  • Postgraduate Diploma in Law (London Guildhall University 1998)

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