Prof. Karel Van Acker is senior lecturer in sustainable materials and processes, coordinator of the Leuven Materials Research Centre at KU Leuven and Promotor-Coordinator of the policy research centre Sustainable Materials Management. He chairs the Flemish Transition Network on Sustainable Materials Management and is involved in numerous projects on sustainability assessments of material life cycles, ranging from CFRP to biobased plastics, and on urban mining and the valorisation of residues. He leads the SIM² KU Leuven Research Line on sustainability assessment and policy research.