Manousos Ioannis Manousakas received his PhD in environmental monitoring and analysis in 2014 from the Chemistry Department at the University of Patras, Greece. After his studies, he worked as a collaborating researcher at NCSR Demokritos and the Institute of Chemical Engineering Sciences in Greece, and at the Paul Scherrer Institute in Switzerland. His key research interests include atmospheric pollution, specifically particulate-related pollution; chemical analysis; and source apportionment. He has a strong international network of collaborators, evidenced by the diverse colleagues with whom he has collaboratively published research papers in scientific journals, and has participated in several scientific projects from different funding programs. He serves as a source apportionment expert for many projects worldwide organized by the International Atomic Energy Agency (IAEA). He is a reviewer board member for five journals, and up until 2021, he has served as a reviewer for over seventeen journals and as a guest editor for three journals.