Yahoo's Display Ad VP & GM Departs–Meanwhile, Hair-tastic U.S. Head Reorgs Unit

David Zinman, Yahoo’s VP and GM for display advertising–who came to the company via its acquisition of BlueLithium ad network–is leaving the company and will be replaced by the CEO of Dapper, another ad-related Yahoo purchase. The move in Yahoo’s most important revenue unit comes even as its new leader, Americas EVP Ross Levinsohn, reorgs his management team.

Ex-Yahoo Ad Exec Karnstedt to Efficient Frontier

Former top Yahoo advertising exec David Karnstedt, who has been parked at a Silicon Valley venture firm since he left the company, has been named president and CEO of Efficient Frontier. Interestingly, another former Yahoo exec, Ellen Siminoff, has also been CEO at the Sunnyvale, Calif.-based search engine marketing firm. She is now chairman.
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