Perry Nusbaum

Specific Media LLC provides interactive media services. It is a global technology and online media company that enables advertisers to target audiences through proprietary demographic, behavioral, contextual, geographic and retargeting technologies across a network of brand publishers. The company was founded by Timothy C. Vanderhook, Christopher J. Vanderhook and Russell T. Vanderhook in July 1999 and is headquartered in Irvine, CA.

Xaxis LLC is a digital marketing company. It offers technology and services to marketers and website publishers. The firm provides advertising management services via digital formats such as mobile devices and internet media. The firm was founded by David J. Moore in 1995 and is headquartered in New York, NY.

United Online, Inc. provides consumer services and products over the Internet. It offers advertising solutions to marketers with brand and direct response objectives through a full suite of display, search, email, and text-link opportunities across its Internet properties. The company was founded on September 25, 2001 and is headquartered in Woodland Hills, CA.

Aggregate Knowledge, Inc. provides online collective discovery services. delivers the neutral data management platform on which advertisers make their digital media decisions. Aggregate Knowledge was founded in 2005 and is headquartered in San Mateo, CA.

AddThis, Inc. provides social sharing and analytics solutions. It focuses on providing easy-to-use consumer engagement tools and services for advertisers, publishers and brands looking to inform paid, owned and earned media strategies with web-wide search, site, social, and sales data. The firm's platform enables users to see how the content is shared to social networks. The company was founded by Hooman Radfar, Dominique Vonarburg, J. Sanford Miller, and John Austin Fath in 2004 and is headquartered in Vienna, VA.