Daniel completed his undergraduate studies at The Ohio State University (Columbus, OH, USA) and received his medical degree from the Heritage College of Osteopathic Medicine at Ohio University (Athens, OH, USA). After completing post-graduate training in the Cleveland Clinic Health System, he joined the Departments of Pulmonary and Critical Care in the Respiratory Institute, as well as Inflammation and Immunity in the Lerner Research Institute. Dominique Israël-Biet Dominique Israël-Biet is Professor Emeritus of pulmonary medicine of the Université de Paris (Paris, France). Dominique graduated from the Faculté de Médecine Cochin-Port Royal, Université Paris V René Descartes (Paris), and obtained a PhD in Immunology at the Institut Pasteur (Paris). She was trained in pulmonary medicine under the guidance of Professor Jacques Chrétien. As Associate Professor of Clinical Immunology then Professor of Pulmonary Medicine, she worked in the Department of Lung Diseases at the University hospital Laënnec (Paris), which Professor Chrétien directed, and was responsible for both the clinical sector and the BAL laboratory. She then moved to the University Georges Pompidou hospital (Paris), and became the Head of the Center for Rare Pulmonary Diseases. Dominique’s research interests mainly focus on sarcoidosis and ILDs and she has actively participated as an investigator in clinical trials in these fields. Dominique was a member of the ERS Task Force on Bronchoalveolar Lavage and the ERS Task Force on The Treatment of Sarcoidosis. She is actively involved in WASOG. As an elected member of its Executive Committee since 2011, she co-organised the WASOG International Conference in Paris in 2013 with Professor Dominique Valeyre. She is currently the General Secretary of WASOG. Dominique is on the Editorial Board of Respiratory Medicine and is the author of a number of original papers, reviews and textbook chapters. viii https://doi.org/10.1183/2312508X.10001122