Marianna Frison-Roche is a managing associate in the global energy and infrastructure group specialising in public law. She focuses on corporate transactions in regulated sectors and public-private partnerships and has significant experience in infrastructure, energy, public procurement, environmental and town-planning matters, and public law litigation. She is a graduate of Paris II Panthéon-Assas, Paris I Panthéon-Sorbonne and the College of Europe, and is fluent in French, English and Polish.

Recent transactions of significance (where substantial involvement can be disclosed) include advising on the sale by LBC of its south Europe operations to Alkion Terminals, including the ownership of tank terminals; National Grid on French law aspects in relation to a grid interconnection between France and the United Kingdom; the financing of the SEA high-speed link; the refinancing of a portfolio of broadband network concessions operated in France by Axione Infrastructures; the implementation of the Perpignan-Figueras concession for a high-speed link between France and Spain; the privatisation of Nice and Toulouse airports; the financing of the Nîmes-Montpellier high-speed link; and the acquisition of the shares of Géosud, a company holding 50 per cent of the share capital and voting rights of Géométhane, a company that owns saline cavern facilities in southern France. Marianna is also notably involved in renewable energies transactions, including offshore wind projects. Her experience includes advising in relation to all French invitations to tender (ITTs) for offshore wind projects, in particular, advising (1) lenders on the financing of the Fécamp and Saint-Nazaire projects awarded through the first ITT, (2) a bidder in relation to the potential acquisition, from Engie and EDPR, of an equity stake in the Noirmoutier and Le Tréport offshore wind projects awarded through the second ITT, and (3) a bidder on its potential participation in an offshore wind consortium within the framework of the third ITT, off Dunkirk.