Jakub Krajczynski studied philosophy and ancient greek at the Freie Universität and the Humboldt Universität Berlin. His M.A.-thesis was about Virtue and Emotions in Aristotle’s Nicomachean Ethics. After that he worked as a wissenschaftlicher Mitarbeiter in Prof. Rapp’s Thyssen-Projekt on a new german translation and commentary of Aristotle’s Metaphysics. He spent the acadaemic year 2008/09 at the University of Toronto/Canada, where he was working with Prof. Jennifer Whiting.