Pauline Deutz is Professor of Circular Economy and Sustainability in the School of Environmental Sciences at the University of Hull, UK.

Walter J.V. Vermeulen is Associate Professor in the Copernicus Institute of Sustainable Development at Utrecht University, the Netherlands.

Rupert J. Baumgartner is Professor of Sustainability Management in the Department of Environmental Systems Sciences at the University of Graz, Austria.

Tomás B. Ramos is Professor of Sustainability Assessment and Planning in the Department of Environmental Sciences and Engineering at the NOVA School of Science and Technology, NOVA University Lisbon, Portugal

Andrea Raggi is Full Professor of Industrial Ecology and related issues in the Department of Economic Studies at 'G. d'Annunzio' University of Chieti-Pescara, Italy.