Jenna Rennie

Partner, London



Jenna Rennie is a partner in White & Case's Dispute Resolution group based in London, and a CEDR-accredited mediator. She has significant experience in disputes in the technology sector, and in technology-related disputes arising out of major technology enabled projects and network infrastructure. In addition, she has considerable experience in the financial services sector.

Jenna's broad experience also includes working for the UK government, where she advised on EU and international trade and investment law and policy, including WTO law, trade treaty negotiations and ISDS. She has represented the UK government in international forums, including in UNCITRAL negotiations on what became the Mauritius Convention on Transparency.

Jenna acts for major corporate and multinational clients in complex commercial disputes before the High Court, Court of Appeal and Supreme Court, and has experience of both commercial and investment treaty arbitration, including arbitrations under UNCITRAL and ICSID rules.  In addition, she frequently works closely with clients to develop risk management strategies and avoid disputes arising.

Bars and Courts
Solicitor of England and Wales
University of Cambridge
University of Canterbury
University of Canterbury


Acting for a joint venture in connection with a multi-billion pound contract for the supply, maintenance and support of a complex technology-enabled defence system.*

Acting for Goldman Sachs International in high-value, complex multi-party, multi­jurisdictional proceedings arising out of the transfer of assets and liabilities of a collapsed bank in a EU member state to a 'bridge' bank, including the legal effect under the European Banking Recovery and Resolution Directive of various resolutions of the member state's central bank on the transferability of a substantial loan (Goldman Sachs International v Novo Banco SA [2018] HRSC 34).*

Acting in an ad-hoc commercial arbitration claim valued at over £100 million regarding the contractual entitlement to royalty payments for new iterations of an existing technology.*

Acting in a multi-million dollar high profile dispute in relation to the provision of emergency services mobile communications services.*

Successfully representing a commodities trader in three multi-million dollar arbitrations under the UNCITRAL Rules.*