Thomas E. Maggos M.Sc, PhD. Research Director at NCSR “Demokritos” (https://airtechlab.eu/the-team/). Head of the Atmospheric Chemistry and Innovative Technologies Lab (AirTechLab) of the National Centre for Scientific Research “Demokritos”. Following his Bachelor’s degree in Chemistry at the University of Crete, he joined the University of Athens where he received M.Sc in Environmental Chemistry & Technology. He received his PhD in the Mechanical Engineering department of the University of West Macedonia. In 1998 he joined INRASTES/NCSR “Demokritos” in Athens, working on innovative technological systems for Air Quality monitoring in urban, indoor and occupational environment and on Photocatalytic Processes and Applications for air pollutants abatement. He was Coordinator of LIFE+2019 “VISIONS” project and Principal Investigator (PI) of the HORIZON 2020 projects named “ENVESOME”, “TREEADS” and “ICARUS”. Furthermore, he participates in various European and National R&D projects such as FP7, LIFE+ & REGGPOT. He is member of CEN/TC264/WG15 (Particulate Matter PM10/PM2.5) & CEN/TC386/WG2 (Photocatalysis/Air Purification) working groups. He is in charge of the accreditation of AirTechLab by the Hellenic Accreditation System S.A (ESYD) under the terms of ELOT EN ISO 17025:2017 standard for specific air pollutants and particulate matter (PM) measurements. He has also participated as national expert in authoring the Committee of the Regions (CoR) opinion on the COM(2012)39 of the European Commission titled “A REINFORCED ERA PARTNERSHIP FOR EXCELLENT AND GROWTH”. He was Deputy Coordinator to the Indoor TG of ERNCIP (European Reference Network for Critical Infrastructure Protection) since 2016, Deputy Member of the Management Board of COST17136 INDAIRPOLLNET action and member of COST23139 NET4ClEANAIR. He has more than 100 publications in international peer-reviewed journals and more than 140 in international conferences (h-index 36).