Grégory Claeys is a Senior Fellow at the Brussels-based economic think tank Bruegel, where he has been working since 2014, and an Associate Professor at the Conservatoire National des Arts et Métiers in Paris where he has been teaching macroeconomics since 2015. His research interests include international macroeconomics and finance, central banking and European economic governance. Marie Le Mouel is an Affiliate Fellow at Bruegel and a Lecturer at Tilburg University, where she has been teaching economic growth since 2018. Her research interests include the macroeconomics of decarbonisation, green industrial policy, drivers of productivity growth and dispersion, and intangible assets. Simone Tagliapietra is a Senior fellow at Bruegel. He is also a Professor of Energy and Climate Policy at The Johns Hopkins University – School of Advanced International Studies (SAIS) Europe. With a record of numerous policy and scientific publications, also in leading journals such as Nature and Science, he is the author of Global Energy Fundamentals (Cambridge University Press, 2020). Guntram B. Wolff is the CEO of the German Council on Foreign Relations (DGAP) since 2022. He is a widely cited academic working on European political economy, climate, macroeconomic policy and geopolitics. From 2013-2022, he developed Bruegel into a globally leading institute and regularly testified to EU finance ministers' ECOFIN meeting. Georg Zachmann is a Senior Fellow at Bruegel. Over the past decade, he conducted extensive empirical works on identifying regional economic potentials. In the energy crisis Georg's work gained prominence in the media, providing clear assessments of Europe's supply situation. He previously worked at the German Ministry of Finance.