George Tsegas is a research associate at the Sustainability Engineering Laboratory, Department of Mechanical Engineering, AUTH. He received his PhD in physics from AUTH in 2000. Since 2005, he has worked as an air quality and atmospheric science expert focusing on the development and application of numerical models for air quality assessment. He has co-authored more than 50 peer-reviewed publications with more than 700 citations (h-index=13). He has participated in several EU-funded research projects, such as TRANSPHORM, MEGAPOLI, PANOPTIS, SCIPPER, and EMERGE, and has provided technical expertise in many national projects on environmental planning and impact assessment.