2005-Present: Courtesy Appointment Professor of Computer Science, Purdue 2002-Present: Full Professor of Chemical Physics Department of Chemistry, Purdue University 1999-2002:Associate Professor Department of Chemistry, Purdue University 1994-1999: Assistant Professor Department of Chemistry, Purdue University 1989-1994: Research Associate Department of Chemistry and Chemical Biology Harvard University With Prof. Dudley R. Herschbach 1984-1989: Ph.D Hebrew University of Jerusalem Adviser: Professor R.D. Levine and M. Cohen Thesis Topic: An Algebraic Approach to Calculate Atomic and Molecular Properties 1983-1984: M. Sc. Hebrew University of Jerusalem Adviser: Professor M. Cohen Thesis Topic: Atoms in Strong Magnetic Fields: Perturbation Theory Approach 1979-1983: B. Sc. Hebrew University of Jerusalem Main