Nabin Aryal is an Associate Professor at the University of South-Eastern Norway (USN), Norway. He received MSc in Environmental Technology and Engineering from Ghent University, Belgium, with an Erasmus Mundus fellowship from European Union and then a PhD. from the Technical University of Denmark (DTU) in Environmental Biotechnology with financial support from Novo Nordisk Foundation, Denmark. Before joining USN, Dr Aryal engaged in joint industrial postdoctoral research at Aarhus University and the Danish Gas Technology Center, Denmark. He has more than a decade of work experience from Norway, Denmark, Belgium, the Czech Republic, India, and Nepal. His current research focuses on microbe-material interaction, biofilm-based bioprocess development, anaerobic technology, biogas upgrading, and carbon dioxide utilization. He has co-authored over 40 scientific publications and edited one book on biogas upgrading that received h-index 15 (>1100 citations; Google Scholar).