He is head of a clinical research group investigating innovative treatments for asthma, COPD, idiopathic pulmonary fibrosis and pulmonary hypertension. His scientific research interests include COPD and severe asthma. He has acted as Principal Investigator for a number of trials in asthma and COPD, including the COBRA (“Cohorte Obstruction Bronchique et Asthme”) study. Arnaud Bourdin is an Organising Committee Member of the G2A project “Journées d’échange sur l’asthme sévère”, and a member of the editorial team and reviewer for three international journals: Respiratory Research, BMC Public Health and La Revue des Maladies Respiratoires. He is also a member of the European Respiratory Society, at whose Congress he has acted as a Chair and speaker for the past 5 years. In addition, he is a credible speaker on the subject of severe asthma in France. He has authored or co-authored more than 100 peer-reviewed articles, reviews and monographs. Pascal Chanez Pascal Chanez MD, PhD, FERS is a Consultant and full Professor of Respiratory Medicine attending the “Clinique des bronches, de l’allergie et du sommeil et de la plateforme ambulatoire du pôle thorax” at the APHM and Aix-Marseille University, Marseille, France. He coordinates a research group at INSERM-CNRS U1067 in the same institute on the role of bronchial epithelium in inflammation and environmental aggression in severe bronchial diseases. He is the head of a clinical research group investigating new innovative treatments for severe asthma and COPD. His clinical and research interests are devoted to a better understanding of the mechanisms of severe asthma and COPD with a special effort put into bringing clinical and biological findings together to provide patients with new specific biomarkers and therapies. He has demonstrated in the past his willingness and ability to gather researchers and clinicians together to decipher the complexity of severe asthma in France and Europe. Pascal Chanez gained his MD and PhD degrees from the University of Montpellier and was a fellow at Imperial College London in the UK with Professor P.J. Barnes. He is the author or co-author of more than 300 peer-reviewed articles, reviews and monographs. He is an Associate Editor of the European Respiratory Journal and an Editorial Board Member of the Journal of Allergy and Clinical Immunology. x https://doi.org/10.1183/2312508X.10008017