Quentin’s work focuses on tackling the environmental impacts of European markets and consumption through policy advocacy, regulatory actions and strategic litigation in Europe. In particular, Quentin specializes in sustainable trade, investment and value chains. His area of expertise covers international trade, investment treaties, the World Trade Organization, corporate due diligence, reporting and duty of vigilance, the EU Taxonomy framework, as well as anti-deforestation legislations.


Before joining ClientEarth, Quentin practiced law in Paris, France, at Darrois Villey Maillot Brochier and the global law firm Allen & Overy, where he specialized in international investment and commercial arbitration, as well as commercial, civil and criminal litigation in multinational cases.


Quentin holds a Magister Juris, with Distinction, from the University of Oxford and was admitted to the Paris Bar in 2017.

Quentin graduated with honours from Université Toulouse 1 Capitole with an undergraduate law degree and a Master’s degree in International, European and Comparative Law, before obtaining a Master in International Trade Law at Université Paris 1 Panthéon-Sorbonne, with honours.

I am delighted to devote my legal expertise to championing a more sustainable, resilient and fair future, where humanity thrives in accord with our planet’s capacities. As an ambitious environmental organization, ClientEarth has an impactful role to play in shifting political and legal paradigms.

Quentin is working on