MTV Nets tapped Colleen Fahey Rush as evp, research. — Gemstar-TV Guide reupped evp, genl counsel Stephen Kay’s contract for 2 years, giving him a $660K base salary. — Joe Dugan was named to the new post of svp, CNN Digital Ad Sales. — Following the Viacom split, Anthony Ambrosio will serve as evp, HR of the CBS Corp and JoAnne Griffith will oversee HR policy for the Tom Freston-led Viacom. — Horse TV hired John Lyons to promote grassroots marketing and develop original programming. Lyons founded "Lyons Perfect Horse Magazine."