Thomas Maggos is a Research Director and Head of the Atmospheric Chemistry and Innovative Technologies Lab (AirTec Lab) of the National Centre for Scientific Research “Demokritos”. Following his basic studies in Chemistry at the University of Crete, he joined the University of Athens where he received an M.Sc. in Environmental Chemistry and Technology. He received his PhD in the Mechanical Engineering Department of the University of West Macedonia. In 1998, he joined the Institute of Nuclear Technology – Radiation Protection at the National Center for Scientific Research ‘Demokritos’, working on innovative technological systems for air quality research in urban, indoor, and occupational environments and on photocatalytic processes and applications for air pollutant abatement. He is a Coordinator and Principal Investigator (PI) of various EU projects (LIFE+, HORIZON 2020, FP7). He is in charge of the accreditation of the AirTech Lab under the terms of the ELOT EN ISO 17025:2017 standard for specific gas pollutant measurements. He is a Deputy Coordinator of the Indoor TG of ERNCIP (European Reference Network for Critical Infrastructure Protection), Deputy Member of the management board of COST17136 action, and Member of CEN/TC264/WG15 and CEN/TC386/WG2 working groups. He has more than 80 publications in international peer-reviewed journals and more than 120 in international conferences.