Ingrid Paoletti is a Full Professor in Architectural Technology at Politecnico di Milano and a Material Activist. She holds a Ph.D. in Construction Technology from Politecnico di Milano and has been a research associate at MIT, Massachusetts Institute of Technology. She is the founder of the research group in theoretical and design experimentation Material Balance, where she deals with innovative technologies and materials to develop new and responsible material culture. She is Vice President of the Fondazione Politecnico. Her latest book is Siate Materialisti! (Einaudi 2021).”Only when waste becomes return, the Next will become Now” Ingrid Paoletti.