Leslie Petitjean joined ICLEI in November 2022 as a circular economy officer. She is working on projects on circular economy in the construction sector. Leslie has worked for different public organizations in France in the environmental transition field. She has worked for 3 years in the French Agency for Ecological Transition (ADEME) on mainstream public information on climate change and sustainable development. After this, she has specialized in public local policies for ecological transition and has around 10 years of experience in this field.

Prior to ICLEI, she worked for 4 years in a local authority close to Paris, Est Ensemble Grand Paris, where she was a Circular Economy Project Manager, responsible for developing a Circular Economy Action plan and running projects in the field of circular construction, amongst other work. She also teaches circular urban planning in the Masters of Sciences Po Paris “Territorial and Urban Strategies”.