Member of the Association Française des Sciences Économiques (AFSE) – French Economic Association.
Member of the Association des Économistes de l’Énergie – French Section (F-AEE).
2025- Cycle de Webinars STREP "Sustainability, Technology, Risks, Environment and Policies", coordonnés par D. Gatti, I. Ghattassi, I. Liotard, G-D. Lo, R. Magnani M. Mofakhami, J. Vauday
2024- International conference "Environment, Policies, and Risks : Heterogeneities in Climate Change and Sustainability", 14th JT of the French Association of Environmental and Resources Economists, Campus Condorcet.
Local organizing committee : Donatella Gatti, Imen Ghattassi, Gaye-Del Lo, Malo Mofakhami, Sandra Rigot, Julien Vauday
2023- Workshop "Environment, Policies, and Risks", Campus Condorcet
Local organizing committee : Donatella Gatti, Imen Ghattassi, Gaye-Del Lo, Grégory Schneider-Maunoury, Julien Vauday
2015 – Member of the Organizing Committee of the 65th Annual Conference of the AFSE.
2019 – Member of the Organizing Committee of the International Conference “Finance Act 2”, held in tribute to the late Prof. Daniel Arnould.
2019 – Member of the Organizing Committee of the XXXV Journées ATM (Théories et Modélisations Financières), Metz – “Worlds in Development”.