Dean is a member of numerous Associations and sits on various committees and Boards.
- Editorial Board for International Sports History Journal (Associate Editor) and Impumelelo – The Interdisciplinary Electronic Journal of African Sports
- Committee Member, Cape Higher Education Consortium (South Africa)
- Committee Member, Cape Peninsula University of Technology Research Ethics Committee
- Research Associate, University of Ulster (South African Special Olympics Project)
- Historical Advisor to the RFU Museum, Twickenham & SARFU Centenary Committee
- British Society of Sports History Selection Panel for the Lord Aberdare Book Prize
- British Society of Sports History (Executive Committee Member)
- International Society for the History of Physical Education and Sport (Committee Member)
- Australian Society of Sports History
- North American Society of Sports History
