Marta Otero received her Ph.D. in Chemical Engineering from University of León (Spain) in 2000, then occupying several lecturer and researcher positions, including a Marie Curie fellowship at the Faculty of Engineering of the University of Porto (FEUP, Portugal), a Researcher position at CESAM (Centre for Environmental and Marine Studies (Portuguese Associated Laboratory), University of Aveiro (UA), Portugal) and a Ramón y Cajal contract at University of León (Spain). In 2017, she gained an IF contract from the FCT as principal researcher, which allowed her to re-incorporate at CESAM (UA, Portugal). Since 2022, Marta Otero is Associate Professor at the University of León (Spain), where she belongs to the Applied Chemistry and Physics Department.Furthermore, she is Ambassador of the Portuguese Associated Laboratory CESAM. Her research is mainly focused on two fields: (i) sustainable treatments and materials for water decontamination; and (ii) bio-waste management and valorization. She maintains active collaborations with researchers and groups from several institutions. Among them, it is to highlight the Analytical Sensors & Applied Eco-Chemistry (ASAEC) group at CESAM.