Dr. Luis Valdés Santurio (Spain) is, since January 2009, the Head of Ocean Sciences at the Intergovernmental Oceanographic Commission of UNESCO, and formerly (2000-2008) he has been the Director of the Centro Oceanográfico de Gijón - Instituto Español de Oceanografía (CO Gijón-IEO). With more than 30 years of experience in marine research and field studies related with marine ecology and climate change, he established in 1990 the time series programme based on ocean sampling sites and marine observatories which is maintained by Spain in the North Atlantic (www.seriestemporales-ieo.com). He has advised various governmental, intergovernmental and international organizations as well as research funding agencies. He has a vast experience in ICES where he has chaired different Working Groups and Committees including the Oceanographic Committee. He also served as Spanish Delegate in ICES and in the IOC-UNESCO.