Claire Andréjak is a young French pneumologist who has focused her research on nontuberculous mycobacteria since the beginning of her residency in 2003. She works in the Department of Respiratory Diseases and Intensive Care Unit at the Amiens University Hospital, and in the EA4294 unit at Picardie Jules Verne University as an NTM researcher. After her residency, she spent 4 months in the Department of Clinical Epidemiology in Denmark to work on NTM epidemiology, and 18 months in the Center for Tuberculosis Research at Johns Hopkins University to develop two murine models of NTM infection by nebulization. When she came back to France, she worked as an assistant professor for 3 years before becoming a Professor in 2012. Until now, her research field has mainly focused on NTM according to 3 different sides: epidemiology, experimental research with the development of murine models of infection, always used in her research lab, and clinical research with clinical randomized trials.