Omnicom and IPG CEOs Earned Much More Than Their Rivals Last Year

Four companies — WPP, Publicis Groupe, Omnicom Group, and Interpublic Group (IPG) — have dominated the advertising industry for years, yet they aren’t all the same. Some chief executive officers, for example, earned a lot more than the others last year. Now that Omnicom and Interpublic plan to merge, creating the world’s largest ad conglomerate,…