Adrien Martin, National Oceanography Centre, United Kingdom; Karlus Macedo, MetaSensing, Italy; Marcos Portabella, ICM-CSIC, Spain; Louis Marié, Ifremer, France; José Marquez, Radarmetrics, Spain; David McCann, National Oceanography Centre, United Kingdom; Ruben Carrasco, Hereon, Germany; Rui Duarte, France Energies Marines, France; Adriano Meta, MetaSensing, Italy; Christine Gommenginger, National Oceanography Centre, United Kingdom; Petronilo Martin-Iglesias, Tania Casal, European Space Agency, Netherlands