The possible stakeholders have been identified and divided into different groups, depending on their typology of interest and involvement in the MSFD. Stakeholders with greater involvement include: policy makers (EC Environment, Maritime Affairs & Fisheries, national ministries for the environment), national bodies responsible for MSFD (Spanish Institute of Oceanography-IEO for Spain;  Ministry of Environment, ISPRA, ARPAs for Italy; Environment and Resources Authority-ERA for Malta; Agence des aires marins protégées-Aamp, Museum d'Histoire Naturelle-MNHN & Bureau des Ressources Minières-BRGM for France), bodies responsible for the exploitation, management and conservation of coastal and deep-sea resources, such as the European Commission’s Directorate-General for Maritime Affairs and Fisheries, General Fisheries Commission for the Mediterranean and the Black Sea-GFCM, UNEP, FAO), NGOs (WWF MED, IUCN), and others as Convention on Biological Diversity, Regional Marine Pollution Emergency Response Centre for the Mediterranean Sea (REMPEC), scientific bodies and institutions, including the International Commission for the Scientific Exploration of the Mediterranean (CIESM). The stakeholders have been engaged during the life of IDEM projects by means of dedicated newsletters, workshops and participation to the scientific meeting of IDEM.