Ron Garriques leaving Dell Jan. 28 as president of communications solutions ... Rentrak...

Ron Garriques leaving Dell Jan. 28 as president of communications solutions … Rentrak eliminates position of President Ken Papagan, who becomes consultant to company … Fox Broadcasting promotes Toby Byrne to president of sales … Brad Shaw promoted to Shaw Communications CEO effective immediately and earlier than planned, succeeding Jim Shaw, who remains vice chairman and a director.

NBC Universal appointments after Comcast assumes control: to chairmen: Bonnie Hammer for cable entertainment and cable studios; Ted Harbert for NBC Broadcasting; Dick Ebersol to NBC sports; Jeff Shell for international; Marianne Gambelli named ABC network ad sales president; and, named executive vice presidents, are Pat Fili-Krushel, ex-Time Warner, overseeing human resources; Adam Miller for corporate affairs; Page Thompson for strategic integration. Those whose purview includes digital content are Lauren Zalaznick to chairman of entertainment & digital networks and integrated media; Dave Cassaro becomes president of cable ad sales; Matt Bond moves to executive vice president of content distribution.