Tadeusz Ciecierski is an assistant professor at the Faculty of Philosophy, University of Warsaw. His research interests include philosophy of language, philosophy of mind and psychology, philosophical logic, metaphysics of modality. He is the author of two books on indexicality and propositional attitudes as well as numerous articles. He is also the co-editor of The Architecture of Context and Context Sensitivity (Studies in Linguistics and Philosophy 103, Springer) and Context Dependence in Language, Action, and Cognition (Epistemic Studies 46, De Gruyter).