Dr. Grzegorz Lisak joined NTU Singapore in 2016 as Assistant Professor and was tenured in 2022 to Associate Professor. Since 2017, he is a director of Residues and Resources Reclamation Center (in 2022 converted to Resource Recovery Programme) and since 2024 he is Deputy Executive Director at Nanyang Environment and Water Research Institute. Since 2019, he is the associated editor of Chemosphere (IF= 8.1), Elsevier. Since 2024, he is co-Editor-in-Chief of Environmental Research, (IF= 7.7), Elsevier. Since 2021, he is a member of the Technical Committee for Circularity of Materials under the purview of Environment and Resources Standards Committee, Enterprise Singapore. Since 2022, he is a member of the External Advisory Panel for Environmental Sustainability (EPES), Ministry of Defence (MINDEF/SAF). His interests cover sustainability, hazardous waste management, plastic waste conversion, waste to energy, waste to resources, and CO2 capture and utilization.