Dr. José Xavier is a young Marine Biologist, doctorate of the University of Cambridge (United Kingdom) and now a Post-doctoral fellow of the Centre of Marine Sciences (Univ. Algarve, Portugal), British Antarctic Survey and CEBC-CNRS, France. Jose has numerous publications in ecology and conservation of marine organisms in the Antarctic and Atlantic Oceans. His studies focus on marine food web dynamics in relation to climate change, working mostly with predators on the top of the food chain (albatrosses, penguins, seals, sharks,...). He is the national contact in 3 core science projects within IPY, principal investigator in one another science project and coordinator of one educational project, LATITUDE60!. Member of various international orgainzations including being member of the Portuguese committee for IPY, the Philosophical Cambridge Society, the Cephalopod International Advisory Council, and APECS Executive Committee.