Jonathan has extensive experience acting as counsel to international clients in complex, high-value investor-State and international commercial arbitrations conducted under the leading institutional and ad hoc arbitration rules, including those of the United Nations Commission on International Trade Law (UNCITRAL), the International Chamber of Commerce (ICC), the London Court of International Arbitration (LCIA) and the Stockholm Chamber of Commerce (SCC).

His experience spans a broad range of industries, including oil & gas, renewable energy, telecommunications, insurance, construction, finance, mining and pharmaceutical.

Prior to Three Crowns, Jonathan practised in the International Arbitration group of a leading international firm. He has published pieces on topics of international interest, such as sovereign immunity and arbitration on the African continent.