Sovrn Holdings

Sovrn Holdings is an online advertising technology firm based in Boulder, Colorado, with offices in San Francisco, San Diego, New York City, and London. Sovrn operates a traditional ad exchange, but it also utilizes the data it collects to provide publishers with a dashboard, giving them the tools to better monetize and engage with their audiences."

In January 2014, John Battelle sold the direct sales arm of Federated Media Publishing to LIN Media and relaunched the company's programmatic advertising business, formerly known as Lijit Networks, as Sovrn Holdings. Battelle appointed Walter Knapp, the former COO of Federated Media Publishing, as CEO of Sovrn Holdings. According to MediaPost, the sale enabled "the publisher-side technology company to fully invest in programmatic advertising, including real-time bidding (RTB), programmatic direct sales and private marketplaces.