AppNexus Appoints Advertising Industry Veteran Ari Paparo as SVP of Product

Industry thought leader to focus on expansion of real-time advertising platform technology and overall product strategy

Press Release

NEW YORK, March 28, 2011 /PRNewswire/ -- AppNexus, the real-time ad platform, today announced the addition of Ari Paparo to its executive management team as Senior Vice President of Product.  A well-known and respected member of the online advertising community, Ari brings over 10 years of experience overseeing the development of the industry's leading advertising technology platforms at Google, DoubleClick, and Nielsen.

"I'm thrilled to be joining the amazing team at AppNexus," said Ari Paparo. "It's clear that real-time bidding (RTB) and data-driven media represent an enormous opportunity to grow advertising in all its forms. AppNexus is the leader in this space and I'm excited to have this unique opportunity to be at the forefront of the evolution of our industry."

Ari is joining AppNexus from the Nielsen Company, where he oversaw all online audience measurement and ad effectiveness products. Prior to that, Ari served as a product leader for DoubleClick and Google, managing the DoubleClick buy-side suite, including DART for Advertisers, DoubleClick Rich Media, DoubleClick Video, and related products.

"Ari is a unique talent, and his industry pedigree and proven track record make him a great fit for our management dream team. I am delighted to welcome Ari to AppNexus," said Brian O'Kelley, CEO and co-founder.

A diverse set of leading online advertising companies including eBay, Microsoft, and Collective Media use AppNexus to capitalize on its unparalleled global ad serving and RTB infrastructure.

"Companies around the world are building powerful display advertising businesses on the AppNexus real-time ad platform. Ari has a consistent and impressive track record of building world-class ad technology products everywhere he has gone," said Mike Nolet, CTO and co-founder. "I'm excited to have Ari on board as we expand our industry-leading offerings."

Regarding the growth of RTB, Forrester reported in February 2011 that "even after a year of significant growth in 2010, we expect a banner year in 2011. We expect US RTB spending to more than double to $823 million – more than 8% of total display spend – in 2011."


AppNexus is the real-time ad platform used by global ad networks, demand-side platforms (DSPs), ad exchanges, and other leading online advertising companies.  Led by the pioneers of the Web's original ad exchanges at Yahoo!'s Right Media and Google's DoubleClick, AppNexus offers a comprehensive suite of core infrastructure and ad technology capabilities that empowers sophisticated companies to build, manage and optimize their entire display advertising businesses and provides single-point integration to the largest buyers and sellers of online advertising, including major ad networks and exchanges.

Based in New York City, AppNexus is backed by an outstanding group of investors; including Marc Andreessen and Ben Horowitz, First Round Capital, Venrock, Kodiak Venture Partners, Ron Conway, Khosla Ventures, and Microsoft. For more information,