פסקת תוכן לניסיון קליני
1976 - 1978 - Research Fellow, Department of Chemical Immunology, Weizmann Institute
1979 - 1982 Senior Scientist, Dept. of Chemical Immunology,The Weizmann Institute
1982 - 1993 - Associate Professor (tenure), The Weizmann Institute of Science.
1983 - 1984 - Sabbatical at DNAX Research Institute for Molecular Biology, Palo Alto, CA.
1991 - 1992 - Sabbatical year at the Surgery Branch, National Cancer Institute, Bethesda
1994 - 2011 Professor, The Weizmann Institute of Science.
1995 - 1998 Chairman, Department of Immunology, The Weizmann Institute of Science
2002 - 2005 Chairman, Department of Immunology, The Weizmann Institute of Science.
2011- Professor Emeritus, The Weizmann Institute of Science
2012 - Chairman, Immunology Research, Tel Aviv Sourasky Medical Center
2012 - Guest Professor, The Faculty of Medicine, Tel Aviv University