Walter Knapp

Sovrn, Inc. engages in the provision of advertising technology. It offers tools and services that help clients to understand readers and enable them to monetize sites through programmatic advertising. The company was founded in 2013 and is headquartered in Boulder, CO.

Sovrn UK Ltd. provides advertising services. The company offers online advertising, viewable impressions, viewability, analytics and Ad quality. It was founded by Babac Vafaey and Andy Evans in 2012 and is headquartered in Altrincham, the United Kingdom.

Lijit Networks, Inc. was incorporated in June 2006 and is headquartered in Boulder, CO. By providing innovative advertising services, audience analytics, and reader engagement tools to online publishers, commercial websites and content networks, Lijit helps publishers grow their website, build their business and make more money. Lijit connects publishers with premium online advertising campaigns that are highly targeted and contextually relevant to the publisher's audience.

AppTap, Inc. operates as a data-driven application advertising and recommendations network. It helps consumers find applications relevant to their interests through contextual application recommendations within content on media sites. The firm also helps application developers reach their target audience and to helping publishers and carriers maximize revenue and engagement with application discovery. The company was founded by Michael Powers and Matthew Callaway on March 2, 2005 and is headquartered in Reston, VA.

Federated Media Publishing LLC provided Internet publishing services. It offered online marketing services to creators, audiences, and marketers. The firm also represented websites, blogs and social networking applications. The company was founded by Chas Edwards and John L. Battelle in 2005 and was headquartered in Richmond, VA.