Dimitris Balis received his BSc in Physics in 1989 and his PhD in Atmospheric Physics in 1998 from the Aristotle University of Thessaloniki, Greece. He has been elected as Lecturer at AUTH’s Physics Department in 2000 and is currently serving as full Professor at the same Department. Since 2000 he has been teaching courses in various topics related to Atmospheric Physics in the undergraduate program of the Physics Department of AUTH as well as the Graduate Program of Environmental Physics of AUTH. He has been involved in Atmospheric Science research for more than 25 years. His research activities are focused on the study of the aerosol and cloud properties using the lidar technique and in the validation of satellite products of atmospheric trace gases. He has been elected member of the International Ozone Commission and currently member of ICLAS and was national representative in the GMES Advisory Board until 2008. He has participated as principal investigator in several national and European projects funded by EU, ESA and EUMETSAT. He has published more than 160 papers in peer review journals during the period 1993-2021, most of them published in journals with high impact factors like JGR, ACP, AMT, GRL and Atmospheric Environment with more than 4000 citations. In addition he has 6 publications as chapters in books, approximately 250 publications-presentations in international conferences and around 40 publications in national conferences.