Jonathan Leach

Jonathan is a Partner in the London office and leads the UK practice.

Based in London, he advises and represents clients on their resolution of complex cross-border disputes, with a particular focus on international commercial arbitration, investment arbitration, and public international law. His practice covers various industries, including energy and infrastructure, manufacturing, trade and commodities, financial services, telecoms, and hospitality.

Over the last two decades, Jonathan has acted as Counsel for parties from Denmark, Dubai, Finland, France, Germany, Indonesia, Italy, Japan, Libya, Malaysia, Oman, the People’s Republic of China, Russia, Saudi Arabia, Singapore, South Africa, Switzerland, Taiwan, Thailand, the United Kingdom, the United States, Uzbekistan, and Vietnam.

His experience includes arbitrations under the Rules of the International Chamber of Commerce (ICC), the London Court of International Arbitration (LCIA), the Singapore International Arbitration Centre (SIAC), and the United Nations Commission on International Trade Law (UNCITRAL). Jonathan has particular experience in disputes relating to investments or trade in emerging markets.

Highly ranked as a leading arbitration practitioner, Jonathan was recently described as “Indefatigable in the pursuit of clients’ interests and his technical excellence is complemented by the diligence with which he applies himself to cases … a high-class practitioner, who really understands the needs of clients and is very easy to work with” (The Legal 500, United Kingdom, 2017).

He also advises clients during the earlier stages of their investments and projects on, for example, how best to structure their transactions to maximize investment treaty protection, drafting dispute resolution clauses, and on planning and implementing enforcement strategies.

Qualified as a Solicitor Advocate