After studying at the School of Translation and Interpretation (ETI) and at the Graduate Institute of International Studies (IHEID), Salim obtained a BA in Philosophy and French literature and then an MA in Philosophy at the University of Geneva, where he is now working on his PhD thesis. His philosophical interests are in metaphysics (especially causation), the philosophy of science, the philosophy of language (esp. translation), epistemology (esp. relativism), moral and political philosophy (esp. the ethics of international politics.