Centre for Vision Research, York University, Toronto

Professor of Optics & Visual Science

Aix-Marseille Université

University of Rochester

Reader in Psychology, University of Sussex

Experimental Psychology, University of Bristol, UK

Professor of Vision Science, Complutense University of Madrid

University of Fribourg, Department of Neuroscience

Professor in Psychology (Retired), University of Waikato, New Zealand.

Professor, School of Psychological Sciences, Macquarie University