AppNexus

AppNexus AppNexus is a global technology company whose cloud-based software platform enables and optimizes programmatic online advertising.[1] As of 2015, AppNexus servers process up to 45 billion ad buys per day at peak; AppNexus handled an estimated $2 billion in ad spending in 2014[citation needed], giving it the biggest reach on the open web after Google.[2][citation needed] Headquartered in New York, the company has 23 offices in North America, Latin America, Europe, Asia and Australia.

AppNexus offers online auction infrastructure and technology for data management, optimization, financial clearing and support for directly negotiated advertising campaigns. It integrates with advertising sources including Google’s DoubleClick, Microsoft’s AdECN, and aggregators.[3] It operates out of multiple data centers, including one in Amsterdam serving Europe and the Middle East, in a facility shared with Equinix.

Person Details

Brian O’Kelley is CEO and Co-Founder of AppNexus, the world’s largest independent ad tech company and one of the most successful technology companies in the history of New York.

Widely considered a visionary in Internet advertising and heralded as “the new king of ad tech” by Forbes, Brian started AppNexus in 2007 to create a technology platform that would transform the advertising ecosystem.

Immediately prior to founding AppNexus, Brian revolutionized the ad tech industry by inventing the first online ad exchange while he was CTO of Right Media (later sold to Yahoo! for $850 million in 2007).

Today, Brian holds numerous additional patents that help AppNexus’ technology power the most innovative trading solutions and marketplaces for Internet advertising, and further the company’s mission to create a better Internet.

Brian is also an active investor in and early-stage advisor to dozens of tech companies, including Invite Media (acquired by Google in 2010), MediaMath, Dstillery and Solve Media. Brian has been honored by Crain’s 40 Under 40, Adweek 50, Silicon Alley 100, and was recognized as an E&Y Entrepreneur of the Year in the New York region in 2012.

Brian holds a B.S.E. in Computer Science from Princeton University, where he is an active alumnus. He lives in New York City with his wife and daughter.