Before to enter the public research, Caroline ROCHER was first working in the private sector as a technician in biochemistry (microbiological quality control). She integrated the CNRS^? as engineer in 2003, in molecular biology (MB). She installed the molecular biology service of DIMAR^? and then of the IMBE^?. She is also involved in the training of MSc and PhD^? students as well as researchers who wants to use MB. She developed several protocols for marine organisms:DNA extractions, cloning, in situ hybridization, barcoding, etc...