Google tapped Dennis Woodside, formerly head of Google in the United Kingdom and Ireland, to oversee the search engine's advertising sales in North America and South America. He replaces Tim
Armstrong, who left to run AOL. Woodside, 40, will report to Omid Kordestani, who oversees all Google's advertising divisions.
Matt Brittin, Google's head of direct sales, will replace Woodside as director of U.K. operations, which has been reported at around 15% of Google's overall business.