Yahoo has closed its $680 million acquisition of Right Media. The company has undergone a number of senior management changes since last April, when Yahoo announced it was buying the remaining 80 percent of the online ad exchange: the replacement of Terry Semel by Yahoo co-founder Jerry Yang as CEO, the promotion of Sue Decker to president, the departure of chief sales officer Wenda Harris Millard—the start of a move to an integrated ad sales team. Yahoo bought its 20 percent stake in Right Media last October. The cost of acquiring the remaining equity interest in Right Media was about $650 million. Michael Walrath, CEO and founder of Right Media, moves to Yahoo as SVP, Right Media Exchange, reporting to Decker. Release

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