Prof.Dr.ir. Lens is established professor of New Energy Technologies at National University Ireland Galway. He is also Professor Environmental Biotechnology at UNESCO-IHE (Delft, the Netherlands), adjunct professor at Tampere University of Technology (Finland) and was previously on the faculty of the Sub-Department of Environmental Technology at Wageningen University (1999-2006), where he still has a zero nomination. Prof. Lens trained in Environmental Sanitation, then obtained his Ph.D. in Environmental Engineering at University Gent (Belgium). He is founding Editor-in-Chief of the Review Journal “Re/Views in Environmental Science and Bio/Technology” and founding editor of the IWA Publishing series “Integrated Environmental Technology”. He is the initiator of the Marie Curie Training Site “Sulfur and Metals – HEMEP”, the Erasmus Mundus Joint Doctoral programme “Environmental Technologies for Contaminated Soils, Sediments and Solid Waste – (ETECOS3)”, the Marie Sklodowska-Curie European Joint Degree “Advanced biological waste-to-energy technologies –Abwet”, the Erasmus Mundus Master Course “International Master of Science in Environmental Technology – IMETE” and joint MSc degree programmes with the Asian Institute of Technology (Bangkok, Thailand) and University of Valle (Cali, Columbia). Besides innovative research, he is also a leader in education and capacity-building, organising numerous study-days, conferences, summer schools and short courses. He has (co-)authored over 550 scientific publications and edited ten book volumes.