André Monaco is Emeritus Director of Research for the French national research center (CNRS). His research interests concern marine sedimentology and geochemistry. He was responsible for part of the organizing committee for several French and European programs and has been guest editor for four special issues in international journals.

Patrick Prouzet is Director of Research focusing on the ecosystemic approach at Ifremer in France. He specializes in the biology and dynamics of anadromous fish such as Atlantic salmon and eels. He is the author or co-author of several works on these species or on estuary fishing.