Faculty Appointments

• 07/67-06/69 Instructor in Medicine, University of Pennsylvania School of Medicine
• 07/69-06/70 Associate in Medicine, University of Pennsylvania School of Medicine
• 07/70-07/73 Assistant Professor of Medicine, University of Pennsylvania School of Medicine
• 07/67-07/73 Assistant Attending Physician, Hospital of the University of Pennsylvania
• 08/73-12/78 Clinical Associate Professor of Medicine, University of Pittsburgh Medical School
• 01/79-06/80 Professor of Medicine, University of Arkansas for Medical Sciences
• 07/80-06/90 Professor of Medicine, University of Pittsburgh School of Medicine
• 07/90-02/06 Professor of Medicine & Chair of Dept., Tulane University School of Medicine
• 07/02-02/06 Adjunct Professor, Department of Pharmacology, Tulane University School of Medicine
• 02/06-Present Emeritus Professor of Medicine, Tulane University School of Medicine
• 08/06-08/10 Professor of Medicine, Texas A&M College of Medicine
• 06/07-08/10 Member, Graduate Faculty, Texas A&M College of Medicine
• 01/09-08/10 Professor of Neuroscience and Experimental Therapeutics, Texas A&M College of Medicine
• 02/11-12/12 Adjunct Professor, Department of Pathobiology, College of Veterinary Medicine andBiomedical Sciences, Texas A&M University, College Station, TX.
• 01/13- Research Professor of Pathobiology, College of Veterinary Medicine and Biomedical Sciences,Texas A&M University, College Station, TX