| | *1938 - Buenos Aires, Argentina, Immigrated to Israel 1949 |
| 1964 | M.Sc. Polymer Chemistry, Hebrew University, Jerusalem |
| 1968 | Ph.D. Biochemistry of Bacterial Cell Walls, Weizmann Institute of Science, Rehovot, Israel |
| 1968-1970 | Post Doctorate, Tufts University Medical School, Boston, USA |
| since 1970 | Faculty Member, Department of Biological Chemistry, Weizmann Institute of Science |
| 1973 | Visiting Scientist, Max-Planck-Institute, Tuebingen |
| 1976 | Associate Professor with tenure |
| 1976-1977 | University of California, Berkeley |
| 1984 | Harvard University, Cambridge, MA |
| Full Professor, Weizmann Institute |
| 1985 | Besen-Brender Chair of Microbiology and Parasitology, Department of Biological Chemistry, Weizmann Institute of Science |
| 1991-1992 | Fogarty Scholar, National Institutes of Health, Bethesda, MD |
| 1987-1998 | Chairman of the Board of Directors, Yeda Research and Development Co. Ltd. |
| 1989-1992 | Member Board of Directors, News Datacom Corp., Jerusalem, Israel |
| 1991-1994 | Member Board of Directors, Weizmann Technological Incubator Company |
| 1993-1998 | Vice President for Technology Transfer, Weizmann Institute of Science |
| 1995-1998 | Member of Board of Directors, XTL Biotechnology, Rehovot, Israel |
| 1996-1998 | Member of Board of Directors of Portman Pharmaceuticals, Rehovot, Israel |
| 1999-2004 | Dean, Faculty of Biochemistry, Weizmann Institute of Science |
| 1999-2001 | President, Israel Society for Microbiology |
| 2004-2012 | President of Scientific Council, Conseil I.Pasteur-Weizmann I. |
| since 2010 | Member of Executive Board of Directors, Weizmann Institute of Science |
