Maria Cols has worked in the Pediatric Pulmonology Department of the Sant Joan de Déu Hospital Barcelona since 2008, she has been its head since 2015, and she is the coordinator for cystic fibrosis Unit since 2012. In the Hospital, she is also part of the multidisciplinary teams dealing with home mechanical ventilation, airway care, comprehensive treatment of neuromuscular patients, and the scoliosis committee. It is also an active member of various scientific societies, and collaborates in different working groups, such as the Advisory Committee for Rare Diseases (CAMM), the Pharmacotherapeutic Harmonization Programme and Neonatal Screening Programme of the Department of Health of the Generalitat de Catalunya, as a clinical expert in Cystic Fibrosis.