Pierrick is a senior researcher at the LIttoral ENvironnement et Sociétés laboratory (LIENSs, Université de la Rochelle) and an expert in the ecology of coastal shorebirds. Among other things, he coordinates the LIMITRACK programme, which uses telemetry to study wintering shorebirds. For MIGRATLANE, Pierrick coordinates the telemetric study of waders and anatidae.