Mark Geraci was born and raised in Cincinnati, OH. He completed his undergraduate training at the University of Colorado, Boulder. Following graduation from the Johns Hopkins University School of Medicine, he completed training in Internal Medicine at the Massachusetts General Hospital. After training in Pulmonary Diseases and Critical Care Medicine at the University of Colorado he remained as faculty, eventually to Head the Pulmonary Division. He is currently the John B. Hickam Professor and Chair of Medicine at Indiana University.
He is a tremendous contributor to medical education, and has served as President of the Association of Specialty Professors for the Alliance of Academic Internal Medicine, and a member of their Education Committee.