AppNexus Carves out West Coast Presence by Opening Seattle Office

Leader in Real-time Bidding Lands Seattle-Based Dave Osborn as VP of Strategic Accounts

Press Release

NEW YORK,  AppNexus, the real-time ad platform used by global ad networks, demand-side platforms (DSPs), ad exchanges, and other leading online advertising companies, announced today that it has established a significant foothold on the West Coast through the opening of a Seattle office.  Dave Osborn, formerly of Nielsen, is the first employee based in the new office and will serve as VP, Strategic Accounts. AppNexus intends to attract top-tier sales, client services and engineering employees from the rich local pool of talent over the coming months.

Osborn is responsible for developing partnerships and growing existing relationships with the world's largest and most strategic Internet companies, including Microsoft. His role is pivotal to AppNexus' expansion as he cultivates business relationships around the world with the industry's most significant players.  

AppNexus CEO Brian O'Kelley said, "AppNexus is thrilled to be expanding to Seattle. Not only do we have a very important partner there - Microsoft - but the West Coast in general is clearly an important market to us. We're very lucky to have Dave Osborn on board as our first Seattle employee, to manage our important relationships there and globally."

Osborn's background includes strategic client leadership and executive product management roles at Nielsen; most recently he served as SVP responsible for that company's global relationship with Microsoft.  Osborn also led Nielsen's early efforts in measurement of online video.

Dennis Buchheim, General Manager of Scale Display Group for Microsoft Advertising, said, "We were very pleased to learn about AppNexus' decision to build out the company's presence here in Seattle and the addition of a high-caliber executive like Dave to the AppNexus management team."

Dave Osborn, VP of Strategic Accounts, AppNexus said, "It's exciting to join a pioneer like AppNexus, and equally exciting to support its global clients as the display advertising ecosystem evolves.  All eyes are on real-time bidding, and I look forward to helping our partners harness the opportunities in this new media ecosystem."


AppNexus is the real-time ad platform for global ad networks, demand-side platforms (DSPs), 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 including data management, optimization, APIs, financial clearing and support for directly negotiated media campaigns.  Overall, AppNexus empowers sophisticated companies to build, manage and optimize their entire display advertising businesses and provides single-point integration to the largest sources of inventory, including the major aggregators 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,