The 1st EMB Early Career Ocean Professional (ECOP) Network Forum will be held on 8-9 October 2023 at the Cidade da Cultura in Santiago de Compostela, Spain with the generous support of IIM-CSIC.The Forum is planned to take place back-to-back with the EurOCEAN conference 2023 in Vigo, so attending ECOPs can also take advantage of this major marine science-policy conferences in Europe after the forum. We will welcome 70 ECOPs, i.e. two ECOPs from each of the EMB member organizations.