Television ad sales guru Chris Kager resigned Monday from his position as exec veep of Columbia TriStar Advertiser Sales.
Insiders said Kager decided not to renew his contract, electing instead to take a high-level position at Cablevision Systems.
Kager could not be reached for comment.
A spokeswoman for Rainbow Media Holdings, a subsid of Cablevision and NBC, declined to confirm or comment on Kager’s appointment with the company.
A Columbia spokesman confirmed Kager’s resignation but also declined comment.
CTAS bowed under Kager’s care in 1993. He joined Columbia in 1992.
The division began by selling ads for Col TriStar Television Distribution programs and has since branched out to represent Sony’s The Game Show Network as well as DirecTV.
Under the DirecTV deal, CTAS sells ad inventory for the 48 cable channels carried on the satcaster, as well as for DirecTV publications.