NBCUniversal, under new ad sales chief Linda Yaccarino, is restructuring its executive ranks. The changes include promoting Dan Lovinger, head of ad sales for Telemundo Media, to executive vice president of cable ad sales for all of NBCU's networks; hiring Turner executive Trish Frohman to helm a new ad sales strategy unit; and naming Alison Tarrant, formerly of the CW, to lead client solutions for the Cable Entertainment unit.