Research professor at the Institute of Marine Sciences (CSIC, Barcelona, Severo Ochoa Centre) (Spain). PhD in chemistry from the University of Barcelona. Specialist in marine biogeochemistry, with a particular interest in understanding how the marine biosphere affects atmospheric chemistry and climate. He is the co-author of the books Cambio global and Microbios en acción, and the second and third Reports on the Climate Change in Catalonia. He has also published the e-book Mar, gel i cel: Diari antàrtic.