Noah Hahn, MD

Paul M. Hassoun, M.D., is professor of medicine at the Johns Hopkins University School of Medicine and the director of the pulmonary hypertension program at Johns Hopkins Hospital. He received his medical degree from the Faculté de Médecine Lariboisière-Saint Louis at the University of Paris, France, completed an internship and residency at Brigham and Women’s Hospital and a fellowship in Pulmonary and Critical Care Medicine at Massachusetts General Hospital, both at Harvard Medical School. He was on faculty in the pulmonary division at New England Medical Center/Tufts University School of Medicine (Tufts-NEMC) in Boston, MA, until 2002 when he joined the division of pulmonary and critical care medicine at Johns Hopkins University.Dr. Hassoun has served or currently serves on numerous American Thoracic Society (ATS) assemblies and committees, including the Pulmonary Circulation Long Range Planning Committee, the Pulmonary Circulation Program Committee (for which he served as chair for 2008-2009), the ATS Scientific Advisory Council, Pulmonary Circulation Leadership Committee, and the American College of Chest Physicians Vascular Steering Committee. He served as the ATS Pulmonary Circulation chair (2011-2012) and on the ATS Publications Policy Committee. He was recently elected president of the Pulmonary Vascular Research Institute (PVRI; 2018-2019).Dr. Hassoun has held numerous editorial activities including serving on the editorial board of the American Journal of Respiratory and Critical Medicine (2010 to present), CHEST (2006-2015) and the European Respiratory Review (2008-2015). He currently serves as associate editor of the European Respiratory Journal (2013-present) and has served as associate editor for the Journal of Clinical Investigation (2017-2022).

Dr. Stephen D. Sisson is a professor of medicine at the Johns Hopkins University School of Medicine. Dr. Sisson’s area of clinical expertise is internal medicine. He serves as vice president of clinical operations for the Office of Johns Hopkins Physicians, and as director of the Johns Hopkins Physician Education and Assessment Center (PEAC). He is the Philip A. Tumulty Professor of Medicine.Dr. Sisson holds a B.S. in chemistry from Duke University. He earned his M.D. (Alpha Omega Alpha, with research honors) at Tufts University School of Medicine. He completed an internal medicine internship and residency at Johns Hopkins, serving as assistant chief of service for the Barker Firm. He joined the Johns Hopkins faculty in 1996.He served for 15 years as the associate director of the Osler Medical Housestaff Training Program.His research interests include community outreach, medical education and ambulatory care.This provider is registered with the Florida Department of Health to perform telehealth services for patients in Florida.

Dr. Catherine Simpson is an assistant professor of medicine at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include internal medicine, pulmonary and critical care medicine, and pulmonary vascular diseases. Dr. Simpson earned her M.D. from the Louisiana State University School of Medicine. She completed her residency at Johns Hopkins, where she also performed a fellowship in pulmonary and critical care medicine and earned her M.H.S. degree from the Johns Hopkins Bloomberg School of Public Health.