| | 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 |
