- USA Today, Thursday, January 16, 2014 8:32 AM
A filing to the SEC by Yahoo explains the departure of COO Chief Operating Officer Henrique de Castro, effective Thursday. He was named to the position in October 2012, three months after Marissa
Mayer took the role as CEO. Both came from Google. Despite investments, Yahoo lost its spot as the No. 2 digital ad seller in the U.S. to Facebook for the first time in 2013, according to eMarketer.
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