Philosophy professor at the Jagiellonian University in Poland.

Co-editor of Brentano’s collected works (Franz Brentano, Sämtliche veröffentlichte Schriften, De Gruyter) and the philosophical series: Phenomenology and Mind (De Gruyter).

Research interests: ontology, epistemology, theory of intentionality, history of Austrian, German and Polish philosophy, in particular Meinong, Brentano, Marty, Ingarden, Husserl, Reinach.