Professor / Chair, Division Of, Department of Surgery, Southern Illinois University School of Medicine (past)
Professor, Division of General Surgery, Department of Surgery, Indiana University School of Medicine
Chair, Department of Surgery, Indiana University School of Medicine
Professor, Department of Surgery, Indiana University School of Medicine
Professor, Division of General Surgery, Department of Surgery, School of Medicine, Southern Illinois University-Carbondale (past)
Professor, Division of General Surgery
Chairman, Division of General Surgery, Department of Surgery, School of Medicine, Southern Illinois University-Carbondale (past)
Chairman, Division of General Surgery
Medical Director, Breast Center, Department of Surgery, School of Medicine, Southern Illinois University-Carbondale (past)