Angelo Basile, a Chemical Engineer with a Ph.D. in Technical Physics, was a senior Researcher at the ITM-CNR as a responsible for the research related to both ultra-pure hydrogen production and CO2 capture using Pd-based Membrane Reactors. He is a reviewer for 165 int. journals, an editor/author of more than 50 scientific books and 140 chapters on international books on membrane science and technology; with various patens (7 Italian, 2 European, and 1 worldwide). He is a referee of 1more than 150 international scientific journals and a Member of the Editorial Board of more than 20 of them. Basile is also an associate editor of the: Int. J. Hydrogen Energy; Asia-Pacific Journal of Chemical Eng.; journal Frontiers in Membrane Science and Technology; and co-Editor-in-chief of the Int. J. Membrane Science & Technol.Evangelos P. Favvas is a Senior Researcher at the Institute of Nanoscience and Nanotechnology in NCSR "Demokritos, Athens - Greece. He has 80 scientific papers in peer-reviewed journals and 100 articles in international congresses; editor of 2 scientific books, 2 Greek and 4 worldwide patents. His research interests embrace the experimental study of gas separation, with emphasis on carbon dioxide and hydrogen separations, using membranes, sorbents and hybrid porous materials. The in-situ study of condensation process using the combination of X-ray and neutron scattering and adsorption techniques is another filed of his interests.