She was President of the NGO « l’Effet Colibri » to educate children and leaders in sustainable development.
In 2009, she created Staff Planete. The company deals with governments, NGOs, schools and universities, companies, and local authorities. She financed for 8 years the research and development of new innovation in project management creativity.
She was a guest speaker at Paris Dauphine University, Essec Business School, Ecole Spéciale d’Architecture, Jussieu University. She was invited to share her expertise of the Sustainable city for the United Nations Development Program in Algeria and the United Nations “smart city” in Morocco. She spoke about Sustainable City at French Parliament with Anne Hidalgo (Mayor of Paris), Gregor Robertson (Mayor of Vancouver) and French President Emmanuel Macron.
In 2017 she launched a university program in Sustainable Territory Planning, Ergapolis: This is an innovative curriculum across 10 different universities, involving students in public administration, city planning, economics, sociology, architecture, design, engineering, etc. These students work together as multi-functional teams to assist local authorities in designing urban projects with the objective of sustainable development (smart city). Examples of Academic Partners: CentraleSupelec, Ecole des Ingénieurs de la Ville de Paris (EIVP), Ecole Nationale d’Architecture de la Ville et des Territoires de Marne la Vallée, Institut Français d’Urbanisme, AgroParisTech, Université Technologique de Compiègne, Université Paris X, ESSEC. Estelle continues to run her sustainable development projects in France and Morocco. She is also building relationships to implement further sustainable green projets in south-east Asia and Singapore, where she lives.
She was nominated, by the French President, member associate of the French’s Economic Social and Environmental Council. She received a high French national distinction of arts and letters by fleur Pellerin, French minister of the Culture, Estelle is « Awarded at the rank of Knight of the Order of Arts and Letters »