Dr.-Eng. Sofoklis Makridis is an Associate Professor at the Department of Environmental Engineering, University of Patras in Greece & Visiting Professor at the Faculty of Engineering and Informatics, University of Bradford, UK & Aerospace Manufacturing Department, Cranfield University, UK. He is a Director of the legal entity Innoenergy lab (Environmental Physics and Hydrogen Technology). He was till 2013, a Lecturer in the Department of Engineering, Sports and Sciences at Bolton University and associated member in IMRI & IREET Institutes. He is a physicist while he received the MEng on 2002 and the PhD on 2004 in fields of Materials Science and Engineering & an awarded PostDoc by IKY Greek State Scholarships Foundation  (NanoMagnetic Materials & Hydrogen Technologies). He serves as Editor-in-Chief at Challenges (MDPI) and at Verizona Publishing Ltd, London, Editor at Scientific Reports of Nature Published Group, Materials Science and Engineering B of Elsevier. He has built two spin-offs with the University of Patras till first half of 2021, WRE-UPATRAS & ARMONI-UPATRAS.