PhD in Oceanography and Licenciate in Geological Sc.. Senior Researcher CONICET, Argentine Institute of Oceanography, Deputy Director, Professor of Marine Geology (UNS) . Professor at the universities of Quèbec, Concepción, Algarve and Cadiz. Main research topics are water-sediment-biology interaction processes, and geomorphological evolution of coastal and inland environments. He established a program to develop his own instruments resulting in the Estaciones de Monitoreo Ambiental Costero and the construction of the first buoy in the country for environmental monitoring. Member of various committees of international organizations. Author and editor of 14 books and special issues of journals, 192 publications in oceanography, sediment transport, physical-biological processes among other subjects, a documentary and popular science works.