Sylvie Lemmet is a high-level economist, specialist of climate change, energy and environment. She graduated from the Kennedy School as well as the French School for Public administration (ENA).
She started her carrier with the private sector, before moving to humanitarian programs in Asia.
She has been Team Leader for sustainable development in the Latin America Department of the World Bank, and the Director of the Economic Division of the United Nations Environment Program. As Director for International and European affairs in the French ministry for environment, Sylvie Lemmet designed and coordinated the mobilization and concrete commitments of the private sector and the local authorities worldwide for COP21.
She has been the French ambassador for environment from 2021 et 2025 and led the European negotiation for the global biodiversity framework. She also a major international effort on supporting forests in Congo basin and in Asia.
She has supervised and written several reports on environment policies, including a strategy for climate finance in 2017.