Jon Mandel has been described as the most hated man in advertising. In March 2015, the former CEO of the WPP-owned media agency Mediacom in the US, made a blistering address to a conference organised by the Association of National Advertisers (ANA) in Florida.

By the time he had finished his speech, he had unleashed a veritable firestorm that would rock the American media buying industry to its very core and set the wheels in motion for a subsequent investigation and report by the ANA, which, to put it mildly, was damning of the entire industry.

Read the full Independent.ie article here.