Professor Emeritus, Division of Infectious Diseases, Department of Medicine, Indiana University School of Medicine
Professor, Division of Infectious Diseases, Department of Medicine, Indiana University-Purdue University Indianapolis, School of Medicine (past)
Director, Division of Infectious Diseases, Department of Medicine, Indiana University-Purdue University Indianapolis, School of Medicine (past)
Professor Emeritus, Department of Microbiology and Immunology, Indiana University-Purdue University Indianapolis, School of Medicine (past)
Professor, Department of Microbiology and Immunology, Indiana University-Purdue University Indianapolis, School of Medicine (past)