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Post-Doctoral Fellow, Woods Hole Oceanographic Institution, 1973
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Senior Research Fellow, Israel Oceanographic and Limnological Research Ltd., 1973-1975
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Researcher, Department of Applied Mathematics, Weizmann Institute of Science, 1975-1976
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Senior Researcher, Department of Applied Mathematics, Weizmann Institute of Science, 1976-1981
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Associate Professor, Department of Applied Mathematics, Weizmann Institute of Science, 1981-1982
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Visiting Associate Professor, Department of Geophysics, Stanford University, 1979-1982
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Professor of Geophysics (Research), Department of Geophysics, Stanford University, 1982-1989
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Max Sonnenberg Professor of Marine Geoscience, University of Cape Town, 1989-Today
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Associate Professor of Geophysics, Department of Geophysics and Planetary Sciences, Tel Aviv University, 1982-1986
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Professor of Geophysics, Department of Geophysics and Planetary Sciences, Tel Aviv University, 1986-present
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Visiting Professor, Vrije Universiteit, Amsterdam, 2001
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Visiting Professor, University of California, Los Angeles, 2005
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Founding Director, Charney School of Marine Sciences, University of Haifa, 2007-Today
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Scientific Advisor to the President of the State of Israel, 2008-Today
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Head, Mediterranean Sea Research Center of Israel, 2012-Today