· Visiting Associate, Caltech2006–2008
· Postdoctoral Researcher, The Hebrew University of Jerusalem2005–2006
· Chairman, The Hebrew University of Jerusalem1993–1995
· Professor, The Hebrew University of Jerusalem1991–2003
· Associate Professor, The Hebrew University of Jerusalem1987–1992
· Lecturer, The Hebrew University of Jerusalem1986–1987
· Mathematician Software Engineer, Freelance
· Affiliation, Harvard University
· Affiliation, Hebrew University of Jerusalem
· Member, Institute for Advanced Study, Princeton
· Algorithms Expert, SolarGik
· B.Sc., Tel Aviv University
· PhD Student, The Hebrew University