Dr Jérôme Labille has a Ph.D. in Environmental geosciences. He is a research Scientist at French National Scientific Research Center CNRS. His researches in CEREGE lab (Aix en Provence, France) concern the physical behaviour in aqueous environment of sub-micrometric particles from natural or anthropic origin. He is expert in the dynamic of aggregation, dispersion and deposition of natural colloids and manufactured nanoparticles in aquatic systems and in saturated porous media.