Michael S. Niederman, MD, is Clinical Director of Pulmonary and Critical Care Medicine at Weill Cornell Medical College and former Professor and Vice-Chairman of the Department of Medicine at the State University of New York at Stony Brook, and Chairman of the Department of Medicine at Winthrop-University Hospital in Mineola, New York. He specializes in Pulmonary and Critical Care, focusing on , pneumonia, tuberculosis, complicated chest infections, and chronic obstructive pulmonary diseases, including emphysema.

He has published over 470 peer reviewed or review articles, and has lectured widely, both nationally and internationally. Dr Niederman served as co-chairman of the committees that created the American Thoracic Society 1993 and 2001 guidelines for the treatment of community-acquired pneumonia and the 1996 and 2005 committees that wrote guidelines for the treatment of nosocomial pneumonia. He was a member of the ATS/IDSA committee that published guidelines for community-acquired pneumonia in 2007. He was also the co-lead author of the 2017 European Respiratory Society Guidelines for Nosocomial Pneumonia. He has also served on the editorial boards of The American Journal of Respiratory and Critical Care Medicine, Critical Care Medicine, Intensive Care Medicine, the European Respiratory Review, and Chest.

He obtained his medical degree from Boston University School of Medicine and completed his training in internal medicine at Northwestern University School of Medicine before undertaking a pulmonary and critical care fellowship at Yale University School of Medicine.