Kara Swisher in News on September 12, 2009 at 1:04 pm PT
Apparently, not everyone leaves Yahoo to join Microsoft.
On Friday, sources said, it was announced internally at Microsoft that Karl Siebrecht, the former president of Atlas at aQuantive, is joining AdReady at the end of the month as president and COO.
AdReady, based in Seattle, bills itself as an “advertising technology company focused on making online display advertising accessible and effective for advertisers of all sizes.”