Diederich Upped To SVP-National Ad Sales, Tribune Media's WGN America
- by Joe Mandese @mp_joemandese, February 1, 2017
David Diederich has been named senior vice president-national ad sales at WGN America, Tribune Media’s nationally distributed television network.
Diederich, who most recently was vice president-ad sales and brand partnerships for the western region, joined WGN America's ad sales team in 2004.
