About Terrence Sullivan Terrence Sullivan is a senior health service leader in Canada who has led Cancer Care Ontario for much of the last decade.Jean-Louis Denis is a professor at the École nationale d’administration publique. Books by Terrence Sullivan Améliorer le leadership dans les services de santé au Canada La preuve en oeuvre by (author) Terrence Sullivan & Jean-Louis Denis Building Better Health Care Leadership for Canada Implementing Evidence by (author) Terrence Sullivan & Jean-Louis Denis