Prof. Gerasimos Lyberatos is currently professor in the School of Chemical Engineering, National Technical university of Athens and a collaborating faculty member of the Institute of Chemical Engineering and High Temperature Chemical Processes (Foundation of Research and Technology Hellas). He obtained his B.S. at M.I.T. and his M.S. and Ph.D. at CALTECH (USA) and served as Assistant, and Associate Professor at the University of Florida. In 1990 he joined the University of Patras as an Associate Professor and in 1993 became a Full Professor. In 2011 he moved to the National Technical University of Athens. His research interests include valorization of biowaste for the production of energy and materials, pretreatment (thermal, chemical, enzymatic, fungal) for lignocellulosic biomass and waste exploitation, anaerobic digestion for the production of biogas from biomass and waste, biohydrogen production through dark fermentation, production of bioethanol, microbial fuel cells, production of biopolymers (polyhydroxyalkanoates) from biomass and wastes, alternative fuels for the cement industry, two-phase bioreactors for industrial wastewater treatment, fate and impact of emerging pollutants in the environment, solid waste management and hazardous waste management. He has over 170 publications in International refereed Journals, and over 280 participations in International Conferences, 9 Chapters in books and two books. He has been coordinator and principal investigator in over 60 national and European research projects. He has supervised 35 PhD theses. He has organized two International Conferences. He organized and served as coordinator of a graduate program on "Solid Waste Management" of the Hellenic Open University. Prof. Lyberatos is also Editor of the Journal of Hazardous Materials (Elsevier), Associate Editor of Waste and Biomass Valorization (Springer) and Associate Editor of GNEST.