AppNexus strengthens global management team with appointment of Brandon Paine and Jerome Underhill

Digital ad experts from DoubleClick/Google and join largest independent ad tech company as its global growth explodes

Press Release

LONDON — AppNexus, which offers the industry’s most powerful, open and customizable advertising technology platform, announced today at its first-ever European Summit that two widely respected ad tech executives, Brandon Paine and Jerome Underhill, are joining the company at a time of rapid global expansion. Paine, a long-time DoubleClick/Google executive, enhances the global AppNexus leadership team as Vice President, Global Accounts, and Underhill, an accomplished alum, adds depth to the company’s European leadership team as Vice President, Services & Operations, EMEA.

Michael Rubenstein, President, AppNexus said, “It’s a real coup to have Jerome and Brandon join AppNexus. Their unique capabilities speak volumes about our commitment to building the world’s best ad tech company with a strong presence in all vital global markets.”

Paine, based in Madrid, will lead a new group for AppNexus focusing on major global accounts and partnerships. Prior to joining AppNexus, he spent ten years at DoubleClick/Google where was most recently Global Agency Business Leader. Before that, he was Head of Media Buying Solutions, UK. Paine began his career at DoubleClick in 2003, becoming Vice President of DART Search before joining Google in 2007 when DoubleClick was acquired.

Underhill, based in London, will be responsible for the company’s Client Services and Business Operations for AppNexus across Europe, the Middle East, and Africa. Previously, he was Global Commercial Director and Director of Product & Operations at London-based Phorm. He also served as COO and Head of Product & Operations, Europe for Prior to joining, Underhill spent eight years at Capital One where he managed businesses in the UK, Europe, and South Africa.


AppNexus, which offers the most powerful, open and customizable advertising technology platform, serves the largest and most innovative buyers and sellers of online advertising, including Microsoft Advertising Exchange, Interactive Media (Deutsche Telekom) and Collective. Led by the pioneers of the Web’s original ad exchanges at Yahoo!’s Right Media and Google’s DoubleClick, AppNexus offers the industry’s most advanced technology platform that empowers companies to build, manage and optimize their entire online advertising businesses. Based in New York City, AppNexus is backed by an outstanding group of investors including Technology Crossover Ventures, Microsoft, Venrock, Kodiak Venture Partners, Tribeca Venture Partners, First Round Capital, Marc Andreessen, Ben Horowitz, Ron Conway and Khosla Ventures. For more information, visit