Dr. Marc A. Judson is a Professor of Medicine in the Division of Pulmonary and Critical Care Medicine. He is a national and international authority in the area of sarcoidosis where he has authored numerous papers. He has obtained two National Institutes of Health (NIH) grants in sarcoidosis and conducted numerous trials concerning the etiology, epidemiology and treatment of this disease.

Dr. Judson is the director of the MUSC Sarcoidosis Center, one of the largest sarcoidosis clinics in the United States. Dr. Judson's other interests include non-invasive pulmonary aspergillus disease and lung transplantation.