Ian R. Mackenzie has been an adjudicator and mediator for over ten years. He is an independent arbitrator and mediator. He is also a part-time vice-chair of the Workplace Safety and Insurance Appeals Tribunal (WSIAT) and a part-time member of the Human Rights Tribunal of Ontario (HRTO). He was a vice-chair of the Public Service Labour Relations Board until 2011 and was a vice-chair with the HRTO from 2011 to 2012. He was the English course director for a training program for new federal tribunal members for five years and has made many presentations on administrative justice issues. He is writing a book on the law of decision writing and blogs at http://mackenziedrs.ca/category/blog.