Ha pubblicato: Nietzsche's Enticing Psychology of Power, Ames, Iowa State University Press and The Hebrew Univetsity Magnes Press, 1989; Introduction to Philosophies of Existence, Tel Aviv University Press 1990; In Search of Authenticity from Kierkegaard to Camus, London and New York, Routledge, 1995; Nietzsche in Zion, Cornell University Press.

Docente di filosofia ebraica all'università di Gerusalemme. Direttore del Center for Austrian Studies.