ESO is made up of : The British Geological Survey - BGS, which acts as the consortium co-ordinator responsible for overall ESO management. BGS provides the ESO Chair and Science Manager (see management on the RHS menu), who act as the main contacts with both the ECORD Management Agency (EMA) and ECORD Council. BGS also provides the Operations Manager (BGS Marine Operations) and Outreach Manager for the consortium, as well as the Expedition Project Managers and Administrative Support for each MSP.
Bremen University provides the ESO Curation and Laboratory Manager, who is responsible for analytical facilities during offshore MSP operations and the onshore science party. The Bremen Core Repository (BCR) is the ESO facility for core curation and management. The University also provides the Data Manager for all data management at WDC-MARE/PANGAEA (IODP-MSP data portal), and the Public Relations Manager for ESO. GFZ Potsdam additionally supports ESO by contributing the Drilling Information System (DIS) for offshore data acquisition.
The European Petrophysical Consortium carries out all logging and petrophysical activities for ESO. This consortium comprises the University of Leicester (co-ordinator), U.K, the Université de Montpellier, France and RWTH Aachen, Germany.