Michael A. Matthay, MD is a Professor of Medicine and Anesthesia at the University of California at San and a Senior Associate at the Cardiovascular Research Institute. He is Associate Director of the Intensive Care Unit. He received his AB from Harvard University and his MD from the University of Pennsylvania School of Medicine and his Pulmonary and Critical Care Medicine training at UCSF. His basic research is focused on mechanisms of fluid transport across the alveolar epithelium that account for the resolution of pulmonary edema. He also studies the pathogenesis and resolution of pulmonary edema, acute lung injury and the clinical counterpart, the acute respiratory distress syndrome (ARDS). His recent research has focused recently on the biology and potential clinical use of allogeneic bone marrow-derived mesenchymal stem (stromal) cells for ARDS.