Advisor in the Environment Director’s Office at the Organisation for Economic Co-operation and Development (OECD). He provides strategic counsel to executive leadership, coordinates institutional engagement across multilateral fora, and drives transversal cooperation within the Directorate. Previously, as a Policy Officer at the French Ministry of Ecological Transition, he directed the coordination of France’s multilateral environmental negotiating positions (UN, G7, G20, WTO, OECD). During the French Presidency of the EU Council, he represented the EU and its Member States in negotiations of several resolutions at the 5th UN Environment Assembly. Dorian joined the Fellowship of the Open Diplomacy Institute when he was appointed in the French Delegation to the 2025 G7 Youth Summit (Y7) in Ottawa. He leads the training of the 2026 French Delegation to the Y7 and Y20. He grounds his policy expertise in scientific, business and legal frameworks, holding two Master’s from Maastricht University, in Sustainability Science as well as Globalisation and Law, and a Master’s in Business Law from Paris-Saclay University.
For a reasonably open world
