Ashley Losier, MD, is an Assistant Professor of Medicine in the Section of Pulmonary, Critical Care, and Sleep Medicine at Yale University. She directs Yale's Bronchiectasis, Nontuberculous Mycobacterial (NTM), and Tuberculosis programs and is a clinician-investigator focused on understanding how aging influences chronic airway diseases. Her research integrates clinical epidemiology, electronic health record-based phenotyping, frailty assessment, and biomarkers of biological aging to improve risk stratification and outcomes for older adults with bronchiectasis.