Sylvain Usher is the Executive Director of the African Water and Sanitation Association. He undertook various studies for institutions such as the European Union, African Development Bank, World Bank and facilitated various workshops and session during international conferences. Sylvain USHER facilitated dialogues with the African Development Bank on scaling up Water and Sanitation services with experts and water utilities CEOs. He developed a World Bank study on African rapidly growing urbanization and the challenges facing the water and sanitation utilities. Sylvain USHER is member of numerous international water institutions and societies. Member of the International Water Association, of the World Water Council, of the African Minister Council of Water (AMCOW) Technical Advisory Committee, the Global Water Operators Partnership Alliance Steering Committee, the Africa Integrated Urban Water Management committee. Member and co-chair of the African International Task Force on Urban Sanitation, Member of the WB Sanitation and Water for All Initiative and Honorary member of the Spain Association of Water utilities and Supplier AFRE. Sylvain USHER is a co-author of the African Water Association book on water and sanitation issues in the African continent “L’Afrique et L’Eau” edited in February 2014. 

Since 2023, he is a member of the Advisory Board for IWA’s Inclusive Urban Sanitation initiative.