Prof John (Ioannis) K. Kaldellis: PhD, Mechanical Engineer (National Technical University of Athens), Business Administration Diploma (University of Piraeus). He obtained his PhD in 1988 from NTUA sponsored by Snecma–Dassault, France and Bodosssakis Foundation, Greece. Since 1993, Professor at Mechanical Engineers Department, University of West Attica (UWA, former TEI of Piraeus). Director of the SEALAB and Scientific Director of MSc in Energy Systems and of MSc in Energy and Environmental Investments. He is also Chief-Director of Center for Technological Research for Piraeus and Islands. His research interests include feasibility analysis of energy sector applications and projects, technological progress in wind, hydro and solar energy market, hybrid energy systems, energy storage issues, social attitude towards renewable energy applications and environmental technology-air pollution. In this context he has been the Scientific Responsible and/or member of the Research Team for many international and national research projects. Prof Kaldellis has published six books concerning Renewable Energy Applications (4) and Protection of the Environment (2). On top of these, he is the Editor of the book entitled "Stand-alone and hybrid wind energy systems: Technology, energy storage and applications" and he is also the Editor of the "Wind Energy" Volume of the Comprehensive Renewable Energy Encyclopaedia by Elsevier. He is currently Associate Editor of the Renewable Energy International Journal, member of the Editorial Board of several International Journals (Applied Energy, Sustainability, etc.) and reviewer in more than 50 International Journals in the Energy and Environment Sector. He is the author of more than 150 scientific papers in peer reviewed Journals and more than 400 papers in Scientific Conferences and has more than 3500 citations in his research work (h-index (Scopus) -33). Since 2015 he is the Scientific Responsible of the TILOS-Horizon 2020 research program.
Frangiskos V. Topalis, Ph.D., Professor at the School of Electrical and Computer Engineering of National Technical University of Athens. He teaches the courses of lighting, rational use of energy in electrical installations, quality assurance and high voltage systems. He is director of the Lighting Laboratory. His area of specialization is photometry and lighting systems. He is author of several text books on lighting. He has coordinated several projects in the field of photometry, lighting, rational use of energy in lighting installations and of the development of lighting control systems and luminance measuring systems with imaging sensors.