1. Chairman, Editorial Board, British Journal of Occupational Therapy, and Senior Lecturer and Occupational Therapy Division Research Lead, School of Health Sciences and Social Care, Brunei University, London.
2. Editor-in-Chief, American Journal of Occupational Therapy, and Associate Professor, Programs in Occupational Therapy, Columbia University, New York.
3. Editor-in-Chief, Canadian Journal of Occupational Therapy; Professor, Department of Occupational Science and Occupational Therapy, Graduate Department of Rehabilitation Science, University of Toronto Neuroscience Program, Dalla Lana School of Public Health; and University of Toronto Adjunct Scientist, St John's Rehab, Toronto, Ontario, Canada.