David J. Lederer, MD, MS is the Co-Director of the New York Presbyterian/Columbia University Interstitial Lung Disease Program and Pulmonary Director of the Pulmonary & Intensive Care Translational Outcomes (PICTOR) Group at Columbia University. He is the principal investigator of two NHLBI-funded studies: the MESA Lung Fibrosis Study and the Lung Transplant Body Composition Study. He is a deputy editor of the Annals of the American Thoracic Society and sits on the editorial board of the American Journal of Respiratory and Critical Care Medicine and on the statistical editorial board for Thorax. Dr. Lederer is a Senior Medical Advisor for the Pulmonary Fibrosis Foundation and a standing member of the IRAP study section at the Center for Scientific Review at the NIH. He is a member of the Technical Advisory Committee for the Scientific Registry of Transplant Recipients and a member of the Research and Scientific Advisory Board of the American Lung Association. He blogs at www.pfdoc.org for patients with pulmonary fibrosis.