Maria Luzia Pedrotti is a researcher at the French National Centre for Scientific Research (CNRS), and is the Scientific Coordinator of Tara Mediterranean Expeditions, conducting a large-scale assessment of the impact of plastic debris in the Mediterranean ecosystem. She holds a doctorate in science from Pierre and Marie Curie University and works at the Oceanographic Laboratory of Villefranche. She is a specialist in oceanography with an expertise in plankton ecology, the biota associated with microplastics and the characterisation of plastic pollution in the environment.