Nicolas ROCHE (60) is Professor (Ex.2 Class) in Chemical Engineering at Aix-Marseille University (AMU) and researcher at the European Centre for Research and Teaching in Environmental Geosciences (CEREGE). He set up and coordinated for eight years the Interdisciplinary and Intersectoral Research Pole Environment of AMU (1800 researchers, including 600 PhD students). He is currently Vice-President of the French Chemical Engineering Society (SFGP), member of the High Council of Public Health (HCSP), Deputy Director of the Research Federation ECCOREV and Affiliate Professor at the Mohamed VI Polytechnic University in the International Water Research Institute (UM6P-IWRI, Morocco).