13
May
Linda Yaccarino, widely publicized to become Twitter's new CEO, has resigned as head of advertising from NBCUniversal, effective immediately. Earlier on Friday, Musk said he had found a new chief executive for the social media site but did not name the person. NBC parent Comcast CMCSA. also said last month that NBCUniversal CEO Jeff Shell was leaving after admitting to an inappropriate relationship with a woman at the company, his departure another major blow to the company following an allegation that prompted an investigation. Advertising President Mark Marshall will step down as interim chairman of NBCUniversal's advertising and partnerships group.…