Randall Rothenberg is the Executive Chair of the Interactive Advertising Bureau, the trade association for digital media and marketing in the United States. Among the IAB’s 750 member companies are such major platforms as Google, Facebook, Microsoft, and Snap; the nation’s most important ad-supported media companies, including The New York Times, Walt Disney Co., NBC Universal, ViacomCBS, Hearst Magazines, Spotify, Verizon Media, Hulu, Warner Media, LinkedIn, and Meredith; incumbent and disruptor brands, including Coca-Cola, Walmart, Procter & Gamble, Hubble Contacts, ThirdLove, General Motors, Johnson & Johnson, and Citigroup; and scores of technology and data companies, among them Mediamath, LiveRamp, Quantcast, and Pubmatic.