Professor Emeritus of Psychology, University of California, Davis

Professor of Everyday Aesthetics, Semiotics and Theory of Design.

Researcher, Charles University, Prague

Professor of Art Education, East Carolina University

Faculty of Humanities, Nicolaus Copernicus University

Department of Philosophy and Moral Sciences, Ghent University, Belgium

University of the Bahamas

Doctoral Researcher, University of Helsinki

Lecturer in English, Abdul Wali Khan University Mardan