Born in Paris, he is a philosopher and doctor of history. General Delegate of the French Society of Architects from 1987 to 2002, he first led a Tribune on the history and current events of architecture, then founded and directed the magazine Le Visiteur (1995-2003). Professor Hdr at the École d’architecture de la ville et des territoires, where he teaches the history and theory of the environment and co-directs the magazine Marnes, he has also been invited to several schools of architecture in Europe and the USA, and has been, since 2012, visiting professor at the École polytechnique fédérale de Lausanne. His essays and research earned him the Medal for Architectural Analysis (2004), the Prize for Research in Architecture (2010) and the Medal for Teaching and Research (2020), all three awarded by the Académie d’architecture. Author of L’Art de la mémoire, le territoire et l’architecture (Paris, La Villette, 2010), and of a critical edition of the manifesto by Oswald Mathias Ungers and Rem Koolhaas, La Ville dans la ville : Berlin, un archipel vert (with Florian Hertweck, Lars Müller, 2013), he recently curated a major exhibition presented as part of the Lisbon Architecture Triennial, then at Epfl: Taking the Country's Side: Agriculture and Architecture (Poligrafa, 2019).

She studied applied environmental sciences at the University of Trier and wrote her doctoral thesis in the department of hydrology at the University of Trier. In spring 2018 she joined the Institut fir biologësch Landwirtschaft an Agrarkultur Luxemburg a.s.b.l. (IBLA - Institute for Organic Agriculture). Since then, she is responsible and involved in several research projects, especially in the field of sustainability, such as the project 2000m² for our food or SustEATable. For IBLA, she was involved in Luxembourg in Transition competition to outline scenarios of an ecological transition of the country over the coming decades.

Research Associate in the Environmental Sustainability and Circularity unit of the Luxembourg Institute of Science & Technology. She joined LIST in 2019 after working for 6 years as a research economist at the Economic Research Service of the US Department of Agriculture. At LIST, Claudia is leading research on sustainable finance and has 30+ publications on various topics in energy, environmental, and agricultural economics. She serves as Luxembourg representative on several ISO committees and is a member of LuxFlag’s Eligibility Committees. She holds a BA in Economics & Mathematics and BA in Biology from Yale University, an MPhil in Environmental Policy from the University of Cambridge, and a PhD in Agricultural and Resource Economics from the University of Maryland.