| Studium an der State University of New York und Syracuse, New York |
1960-1964 | Demonstrator |
1964-1970 | Clinical Instructor |
1970-1977 | Senior Clinical Instructor |
1977-1981 | Clinical Assistant Professor of medical Department of Cardiology |
1981-1984 | Assistant Professor of Medicine, University of Conneticut School of Medicine |
1984-1987 | Assistant Professor of Medicine at the University Illinois |
1987-1993 | Associate Professor at the University of Illinois |
1993-1995 | Professor of Medicine at the University of Illinois |