Brian O’Kelley is best known for creating the first successful online ad exchange as CTO of Right Media (acquired by Yahoo for $850MM in July 2007). Brian was CEO of Netamorphosis, an early social networking and e-commerce site for events and venues, and spent time at LogicSpan, Cetova, Poindexter Systems before joining Right Media in 2003. His latest venture, AppNexus, provides cloud computing services to enterprise and high-growth companies.