Marc Humbert, European Respiratory Society (ERS) President Elect, is Professor of Respiratory Medicine at the Université Paris-Saclay and he is the Director of the French Reference Centre for Pulmonary Hypertension at the Assistance Publique Hôpitaux de Paris. He is vice-coordinator of ERN-LUNG and is a past chief editor of the European Respiratory Journal. His work principally focuses on pulmonary vascular diseases and rare lung diseases.