Prof. Maher is professor of clinical medicine at the Keck School of Medicine. He was professor of Interstitial Lung Disease at the National Heart and Lung Institute at Imperial College London, UK and honorary physician at Royal Brompton Hospital, London.

His research interests include clinical trials, biomarker discovery, the lung microbiome and host immune response in the pathogenesis of IPF and clinical trials in fibrotic lung disease. He was also associate editor for American Journal of Respiratory and Critical Care Medicine and has authored over 260 papers and book chapters on IPF.