iHeartMedia chairman and CEO Bob Pittman begins production of the sixth season of his podcast, “Math & Magic: Stories from the Frontiers of Marketing with Bob Pittman,” in which he speaks with leaders, entrepreneurs and visionaries across music, film, live entertainment, marketing and more. The first episode of this season features Kellyn Kenny, AT&T’s chief marketing and growth officer, who has also served with such companies as Microsoft, Hilton, Capital One and Uber.