 On 20 December 2011, McCallum was announced, along with Reserve Bank Board Member John Edwards and former Federal Court Judge Michael Moore, to conduct an official review of the "Fair Work Act 2009" (Cth).In 2013, McCallum also became an ambassador for European NGO confederation, LIGHT FOR THE WORLD.In 2017, McCallum appeared alongside Matthew Formston on the Season 2 premiere episode of "You Can't Ask That" entitled "Blind People".