Marina P. Arrieta holds a PhD from the Universitat Politècnica de València (2014). She currently works at the Universidad Politecnica de Madrid were she leads the POLCA (Polymers, Characterization and Applications) research group. She conducts research in the areas of synthesis, processing, and recycling of polymers and biopolymers. Her main research activity is focused on the use of renewable materials, as well as the realization of crops and food industry by-products for the development of biobased and biodegradable polymeric (nano) composites with active and multifunctional properties intended for food packaging or agricultural applications for a circular economy approach.