Prof. Dr. Constantinos E Salmas is an Associate Professor at the Department of Materials Science & Engineering, School of Engineering, University of Ioannina. He received his PhD from the Chemical Process Engineering Laboratory, School of Chemical Engineering, NTUA. His research mainly focuses on Chemical Engineering, Process Engineering, Biomass Pyrolysis-Gasification; Pore Structure Modelling and Characterization (CPSM model); Processes for Biomass and Biowaste valorization to Materials/Nanostructures/Composites development under the spirit of Circular Economy; Processes for Biomass and Biowaste valorization to Energy (SynGas, Hydrogen) production; Processes for Biomass and Biowaste valorization to Active Food Packaging Development and Food Safety Enhancing; and Isotope Ratio Mass Spectrometry (IRMS).