Laurent BERTOLETTI is a chest physician, working in the vascular department of the University Hospital of Saint-Etienne, fighting vascular diseases, particularly pulmonary vascular diseases, as pulmonary embolism and pulmonary hypertensions. His clinical research develops in national (F-CRIN InnoVTE : https://www.innovte-thrombosisnetwork.eu/en/innovte-network-0) and international (RIETE registry https://rieteregistry.com/) networks. He has been elected the chairman for the "Pulmonary Embolism" ERS sub-assemble