09:00-09:30: Registration, coffee and family photo
09:30-10:00: Opening remarks
- Barbara Pompili, Chair of the OECD Water Governance Initiative (WGI), President Macron's Special Envoy for the One Water Summit (OWS) and former Minister of the Ecological Transition, France
- Mathias Cormann, Secretary-General, OECD
- Cheikh Tidiane Dieye, Minister of Water and Sanitation, Senegal, Co-Host of the UN 2026 Water Conference
10:00-11:00: Rethinking global water governance
- Loïc Fauchon, President, World Water Council (video)
- Meike van Ginneken, Water Envoy, Netherlands, Co-Host of the 2023 UN Water Conference
- Zulfiya Suleimenova, Special Representative of the President of Kazakhstan on International Environmental Cooperation, Co-Host of the OWS
- Mariana Mazzucato, Co-Chair of the Global Commission on the Economics of Water, and Professor in the Economics of Innovation and Public Value, University College London
- Eric Tardieu, Secretary-General, International Network of Basin Organisations (INBO)
- Gérard Payen, Vice-President, French Water Partnership and former member of the UN Secretary-General's Advisory Board on Water and Sanitation
- Aziza Akhmouch, Head of the Cities, Urban Policies and Sustainable Development Division, Centre for Entrepreneurship, SMEs, Regions and Cities (CFE), OECD
11:00-11:30: Coffee break
11:30-12:30: Shaping national water roadmaps
- Blanca Jiménez Cisneros, Ambassador, Embassy of Mexico in France
- Célia de Lavergne, Director of Water and Biodiversity, Ministry of Ecological Transition, France
- María Dolores Pascual Vallés, Director-General of Water, Ministry for the Ecological Transition and the Demographic Challenge, Spain
- Natasha Avendaño, General Manager, Bogotá Water and Sewage Company, Colombia
- Bernardo Rossi, State Secretary for Environment and Sustainability, State of Rio de Janeiro, Brazil (video)
- Emilia Sáiz, Secretary-General, United Cities and Local Governments (UCLG)
- Walid Oueslati, Head of the Climate, Biodiversity and Water Division, Environment Directorate, OECD
12:30-14:30: Lunch: Buffet in the OECD Château, Roger Ockrent Room
14:30-15:30: Programme of Work 2025-2027: Presentation and plenary discussion
- Oriana Romano, Head of the Water Governance, Blue and Circular Economy Unit, Centre for Entrepreneurship, SMEs, Regions and Cities, OECD
15:30-16:30: Programme of Work 2025-2027: Breakout group discussions
16:30-17:00: Coffee break
17:00-18:00: The waters we don’t see: virtual water and its global impact
- Pierre-Alain Roche, Honorary President, Scientific and Technical Association for Water and the Environment (ASTEE), France
- Guillaume Gruère, Head of the Agriculture and Resource Policies Division, Trade and Agriculture Directorate, OECD