Dr. Harry D. Kambezidis received his B.Sc. in Physics (Aristotle University of Thessaloniki, 1974) and an M.Sc. and an M.Phil in Microwave Communications Engineering (University of Leeds, 1976 and 1979, respectively). He earned a B.Eng. in Electrical Engineering (University of Patras, 1984) and a PhD in Atmospheric Physics (National & Kapodistrian University of Athens, 1988). He was the President of the Hellenic Physicists Union (1999–2000), the Hellenic Illumination Committee (2003–2010), and the Management Board of Schinias-Marathon National Park (2007–2019), and he was the Acting Director of the Institute of Environmental Research and Sustainable Development (IERSD), National Observatory of Athens (NOA, 2011–2013). He was the Research Director at IERSD/NOA and Founder & Head of the Atmospheric Research Team at the same Institution. He is now an Emeritus Researcher at NOA and a Research Associate at the University of West Attica. He has over 330 publications in scientific journals & conferences. He has teaching experience from lecturing in Universities on environmental meteorology, solar energy, and daylight, as well as extensive administrative experience. He is a reviewer for numerous scientific journals and an evaluator of research projects for national/international funding schemes. His research interests and expertise lie in solar radiation/energy, daylight, atmospheric turbidity, atmospheric aerosols, atmospheric pollution, meteorology, climatology, and climate change.